All intermittent welds (pitch) are made in a lengthwise pattern unless there is a detail on the print that says otherwise. Clarification: The clear spacing between effective lengths of intermittent welds should not be less than 16 times and 12 times the thickness of thinner plate jointed in case of tension joint and compression joint respectively, and should never be more than 200mm. lap joint D. Type or select a value for distance between intermittent weld. , Dimensions that may be applied to the plug weld symbol include size, depth of filling, included angle of countersink, number of welds and their spacing (pitch). 5. Stitch welding, also known as intermittent welding, or skip welding is when you lay multiple welds with spacing between your welds instead of having one long continuous. The edge weld symbol shall only be used in. Center Spacing) of Weld Segments Field Weld Symbol Weld-All-Around Symbol Arrow Connecting Reference Line to Arrow Side Member of Joint or Arrow Side of Joint {} Referencec. (b) Unpainted Weathering Steel: P max = 14t 7 in. Finally a proposal is presented for the permissible gap of welds in intermittent fillet welding of stiffened plates. Clear the check box to create a caterpillar with all legs evenly spaced. 17. 3. In a single V-groove weld, what do you call the sloped surfaces on which the weld metal is applied?Drawing labels, details, and other text information extracted from the CAD file (Translated from Spanish): or backrest, simple groove in j and fillet, symbols of back welds, fillet and groove in double bevel, symbols of welds, groove in bevel and double fillet, welding dimension of single fillet, equal in double fillet, dimensions of welds. FIGURE 10. I don't see any mention of stiffeners in Newman's on-line notes. 3. 7 Flush spot-welded joints. of each portion of the fillet weld by L1 and the spacing of the intermittent weld by a1, the following relation holds between these. In the following image, you see an example of an intermittent weld with 1/8 inch weld. By 803056 Date 08-21-2012 21:03. max clear spacing shall not exceed 12 times the thinner of the two sections joined for joints in compression and 16 times for joints in tension. work angle D. I believe you are looking for the unwelded spaces between the weld segments. Study with Quizlet and memorize flashcards containing terms like When. 2. Per A2. Seam welds can be classified as either Intermittent Seam Welding or Continuous Seam Welding, depending on the length of the weld and the spacing between welds: Intermittent Seam Welding: In intermittent seam welding, the weld is formed at intervals along the seam, with spaces between each weld. 要设置沿轨迹分布间断焊缝段的方法，请在 “焊缝间距”(Weld spacing). The groove weld is commonly used to make edge-to-edge joints. 5. All welders need tack welding as one of the fundamental skills in their toolbox. To set the method for distributing the intermittent weld segments along the trajectory, next to Weld spacing, select an option: End with gap —Distribute the weld segments so every weld is followed by a gap. The min. Therefore, with the increase of the strengthened weld spacing, the slenderness ratio of the angle steel between the short welds significantly increases and the. Intermittent fillet welds can be specified on both sides of a joint by placing a fillet weld symbol both below and. Note! Note: Weld symbols on the full reference line relates to welds on the arrow side of the plate being welded. Metal is deposited within the groove and fuses with the base metal to form the joint. Available for flare V groove and butt and flare bevel. staggered intermittent weld. 25” and a pitch (center to center spacing) of 4. C. Overview. In some cases intermittent welds are staggered on both sides of the joint. 4. 10 and the length of each weld is . Groove Face. The location and spacing of the slots for a slot weld are shown on the basic weld symbol. Available when a joint is selected in the Weld joints table. Thus, the same amount of weld material can be applied in a continuous weld in less time and for a better result. 1 Drawings. Study with Quizlet and memorize flashcards containing terms like 1. April 2020 Half-Inch-Diameter Grade A325 Bolts Weldability of Structural Steel Base Plate Load Distribution. The effective length of butt weld or groove weld shall be taken as the length of the continuous full-size butt weld, but not less than four times the size of the weld or minimum of 40 mm. (such as halving bolt spacing, welding. First, there should always be enough space to allow smooth bolt installation on site. Eight times the weld size 7 In addition to the above limitation, what is the minimum length for intermittent fillet welds? a. Let s denote the center-to-center spacing as governed by shear. This means that there are gaps between the termination of one weld and the start of the next. is based on Equation 3-9. : A graphic character connected to a reference line of a welding symbol specifying a weld type. For example, a 3/8 inch (9. On alternating sides of the joint. Further, the bearing capacity was reduced from 4920 kN to 4660 kN. The longitudinal spacing between intermittent fillet welds connecting two or more rolled shapes shall not exceed 24 in. So Case B is not OK - the gap between welds is 2", and the gap at the end is 2. The stud welding process is used to attach studs to a component in order to locate or secure other parts. The maximum unwelded space between increments is 5-2 or 3 inches. Study with Quizlet and memorize flashcards containing terms like The primary element of any welding symbol is referred to as the, Information appearing below the reference line refers to the, The term _______ refers to the center-to-center spacing of an intermittent fillet weld. work angle D. staggered intermittent weld. basic weld symbols. As the weld length is increased, the weld throat may be propor-tionally decreased if the loading remains the same. Keying values 3 – 6 for length and pitch imply 3 weld deposit and 6 as the centre to centre spacing of each stitch. 4 you are not considering the distance. 6. When formed steel decking is a part of the composite beam, the spacing of stud shear connector along the length of the supporting beam or girder shall not exceed _______mm. 1/D1. 2-4 in the below symbol). For a rectangular reinforced concrete compression member, it shall be permitted to take the radius of gyration equal to _____times the overall dimension of the direction of stability is being consideredНа вкладке Сварной шов с разделкой (Groove Weld) или Стыковой шов (Butt Weld) представлены команды, вкладки и контекстные меню. The number of required tack welds depends on the joint geometry, length, material thickness, and metal type. a hollow structural shape, a square or rectangular bar, etc. Here, the maximum spacing specified is 24 times of plate thickness (consider thinner in case of dissimilar thickness) or a maximum of 12-inch (600 mm). Lap joint. The minimum sizes of filler weld for plates with thickness greater than 20mm is ________. Further, the bearing capacity was reduced from 4920 kN to 4660 kN. The maximum spacing between of stitch weld (intermittent weld) is defined in AWS D1. 3. Study with Quizlet and memorize flashcards containing terms like When. 7 Fillet Weld Terminations 2. The chain intermittent fillet weld dimensions are placed on both sides of the reference line and opposite to each other — Fig. butt joint C. The intermittent welding of stiffener plates is an effective method to enhance the confinement pressure on the core concrete. Inside stiffening ring attachment welds may be intermittent welds on each side of the ring with. Enables entering the number of intermittent weld segments for intermittent welds when the pitch is defined by value. To set the method of distributing the intermittent weld segments along the trajectory, next to Weld spacing, select an option: End with gap —Distribute the weld segments so every weld is followed by a gap. (40 mm). An intermittent fillet weld is one that is not continuous across a joint. Repeat and select Get Weld Annotations. 5. 10 mm). 4. 9. To set the method for distributing the intermittent weld segments along the trajectory, next to Weld spacing, select an option: End with gap —Distribute the weld segments so every weld is followed by a gap. License Type: 01-P. P: If welding is intermittent and spacing between the welds is indicated, then this Indicates the Pitch Spacing or Center-to-Center Spacing of the weld; N: Indicates the Number of Welds (Spot, Seam, Stud, Plug, Slot or Projection) required. Paraphrased, their response was: The weld size is a minimum, the length is a minimum, and the maximum unwelded spaces is equal to the pitch listed by the welding symbol minus the weld length. The pitch of intermittent fillet welding shall be shown to the right of the length dimension (A, fig 3-27). If we denote the length Figure 9. To set the method of distributing the intermittent weld segments along the trajectory, next to Weld spacing, select an option: End with gap —Distribute the weld segments so every weld is followed by a gap. 5 (a) P max = 24t 12 in. Different Types of Welding SymbolsSpacing for a lateral support for a beam shall not exceed _____times the least width b of compression flange or face. 3. Previous article in issue; Next article in issue; Keywords. c. 1M:2002, Structural Welding Code—Steel, but is included for information purposes only. C. Weld spacing may be of the order of 330 or 356 mm. 4. Maximum clear spacing between the effective length of the weld:For attaching stiffeners to plate, for example, intermittent welds can reduce the weld metal by as much as 75 percent yet provide the needed strength. Groove welds. Centre to centre spacing of fillet welds all round should not exceed the value necessary to prevent local buckling. Using VQ/I at the intermittent welds and MQ/I to develop the weld at the cutoff point. ) The first edition of the Code for Fusion Welding and Gas Cutting in Building Construction was published by the American Welding Society in 1928. You can use a fillet weld symbol above or below the reference line or on both sides. 2. 9. 8 to 0. 2. Study with Quizlet and memorize flashcards containing terms like Reference Line, Arrow Side, Pitch and more. Twice the weld size c. Study with Quizlet and memorize flashcards containing terms like The primary element of any welding symbol is referred to as the, Information appearing below the reference line refers to the, the term___________refers to the center-to-center spacing of an intermittent fillet weld. Note! Note: Weld symbols on the full reference line relates to welds on the arrow side of the plate being welded. A brief description is provided on the typical reason for minimum weld spacing requirements applicable to each configuration. To set the method of determining the spacing between the intermittent weld segments, next to Pitch, select an option: Automatic —Calculates the pitch automatically. 4 Butt welds (1) A full penetration. May 2020 Column Eccentricity Intermittent Fillet Weld Spacing for Tension Members Beam Stability Bracing. 3. The above weld is calling for six ½” diameter stud welds placed at a 4” center to center spacing. Maximum clear spacing of intermittent weld shall be 12t for compression joint and 16t for tensile joint, where t is thickness of thinner plate. March 2020 Plumbness and Straightness Tolerance Moderate and Highly Ductile Member Requirements in the Seismic Provisions The ½” fillets are probably/usually 3 or 4 pass welds depending on the welder and weld process used, and all the starts and stops are difficult to make well and to inspect. Common weld types include: Complete joint penetration groove weld (CJP). 4 implies that welding should start in the middle with the ends ti ed in; the ends may have different length of weld segments or shorter spacing. The longitudinal spacing between intermittent fillet welds connecting two or more rolled shapes shall not exceed 24 in [600 mm]. It substantially increases the strength usually. If we denote the length. (a) 118 mm (b) 236 mm cover plates 250 x 12 40 kN/m 200 UB 25 Icx 23. Posted on by Leave a comment. occurs on both sides of the joint, with weld increments on one side alternated with respect to those on the other side. Stud Welds. Unless the drawing specifically requires welds at the ends of the joint, the intermittent fillet weld can begin a full unwelded space from either end. Explanation: The effective len gth of groove weld:. The weld recommended reduce the effects of shrinkage is a simple welding sequence with short welds. Influence of weld spacing a on load carrying capacity. The primary element of any welding symbol is referred to as the a) arrow. 7. to modify the system path and file name and to disable or enable this feature. The depth of the geocell h may be 100, 125, 150 mm and in extreme cases, 200 mm. The spacing of welds in any configuration other than a straight line must be dimensioned on the drawing. False. Maximum clear spacing: From AISC E6, d ≤ 0. The "spacing of intermittent weld connecting a plate component to other components shall not exceed 24 times the thickness of the thinner plate nor exceed 12" rule would apply, per 2. They are certainly an inferior weld for fatigue conditions. Explanation: In welding, whether a weld is made continuously or intermittently depends on the specifications of the particular job. 11. The intermittent weld is taken in its two forms chain and staggered intermittent fillet weld. After it buckles, there will be a shear flow between the back-to-back angles. 2] set all required connection dimensions. If the weld is only to be intermittent on one side and a continuous weld on the other the symbol must be dimensioned individually. The strength of the welds for AHSS increases with increasing base metal strength and. 9. A: Stitch welding, also called intermittent welding or skip welding, involves laying multiple welds with spacing between them rather than having a long, continuous weld. A joint formed by placing one piece of metal against another at an angle of approximately 90° is called a(n) A. Part B, Brazing Symbols, uses the same symbols for brazing that are used for. 12. 1M:2020 states, in Clause 4. A stringer bead is used to create a wider weld pool. 6 Intermittent Fillet welds (Minimum Length). Intermittent watering was done and within a few days’ time, a green cover was fostered. На вкладке Сварка (Welding) выберите пункт Сварной шов с. permitted segment length. When depositing intermittent fillet welds, the welding symbol can be interpreted as: a) Weld size is the minimum size. 2. As seen from Fig. Intermittent welds or also called skip welds are weld seams with unwelded spaces in between. Axial strength increases with a decrease in weld spacing. 9 As an alternative to intermittent welding, single sided welding may be used. The results showed that the weld spacing of 10t gives the highest load holding for theThe recommended procedures for handling special cases of connections (partly penetrated welds, intermittent welds, combined welds) can be found in the theoretical part of the Help. (center-to-center spacing) of an intermittent weld (formerly<br /> known as a skip weld) is expressed as the distance<br /> between centers of increments on one side of the joint. welds are to be sound, uniform and free from slag inclusions, porosity, undercutting or other defects. This number represents the pitch or. Let s denote the center-to-center spacing as governed by shear. Щелкните Приложения (Applications) > Сварка (Welding). “Weld Length” and “Weld Spacing” have relations to each other. In case of intermittent weld, the minimum leff value shall be greater of 4*S or 40 mm. (Weld spacing), seleccione una opción: Final con brecha (End with gap): permite distribuir los segmentos de soldadura de modo que cada soldadura vaya seguida de una brecha. intermittent welds connecting plate and stiffener, there could be a certain value of free space between intermittent welds named as the “permissible gap length of. 3: “Intermittent PJP groove welds, flare bevel, and flare-grove welds may be used to transfer shear stress between connected parts. 8. size of the opening in a joint. In welding during the part fitment stage, the appropriate size of tack welds is crucial in joining work pieces together. In another response regarding the interpretation of the intermittent weld symbol, there are no implied tolerances. Also known as stitch welding or skip welding, intermittent welding involves spacing out your welding points rather than having a long, continuous weld along the area. Welding Symbols: p. The depth of preparation for the groove joint is shown to the left of the weld side. bottom c. Pitch: Center to center spacing between welds. 6 Grouped spot welds. Typical Length and Spacing of Intermittent Welds Table and Formula ; Selection and Design of fillet weld sizes by rule-of-thumb; Strength of shielded-arc flush steel welds table; Welding Definitions; Weld Drawing Symbol; Weld Symbols, ANSI/AWS A2. 3 in 12, you still have 12 inches from center to center so you haven't changed anything by changing the length of the weld. Studs come in all sorts of sizes, shapes, and varieties. 6. This project includes a review of the present weld spacing requirements in various national and international above ground storage tank and pressure vessel codes and standards, as well as the past. 線性： 角度： 「以焊接結束」(End with weld) - 以對稱方式從軌跡的中間開始分佈焊接段，使軌跡的起點有焊接，終點也有焊接。間. Maximum spacing of intermittent welds per AISC section E6. In an open root v groove pipe weld, root reinforcement should be flush to within. I would not be overly concerned about spacing the plug welds. 10) 50 times. In front of the symbol place the number of welds followed by the weld length - after the symbol, place the spacing between welds (In brackets) 3 x 75 / (150) Again, If the number of welds are either not known, or not necessary, simply leave blank e. Pitch is the center to center spacing of a staggered intermittent weld Tack Welding Size and Spacing. If you need assistance, you may contact LABOR Monday-Friday 8:30 AM - 4:30 PM, at the following telephone numbers: 410-230-6231 or toll free 1-888-218-5925. Available for flare V groove and butt welds and flare bevel groove and butt welds. AWS D1. These gaps are typically equal to or greater than the size of the weld itself. Welded Section Length = 14. Each welding joint requires how many coupons of the same size and schedule pipe. There is a weld at the start of the trajectory, and a space at the end. Study with Quizlet and memorize flashcards containing terms like 1. For example there are studs for concrete. 3 Intermittent and zig-zag fillet weld symbol. 1 . ) The first edition of the Code for Fusion Welding and Gas Cutting in Building Construction was published by the American Welding Society in 1928. Groove weldsThe intermittent weld spacing influenced the efficiency of the CFS channel adopted for retrofitting. This is just a hint that you can expect a "skinny" beam like this to have problems. The weld joint formed when two parallel members overlap each other is called. 4. (NSCP 410. The minimum length of an intermittent fillet weld shall be 1-1/2 in. Stitch Weld Calc | Calculate Weld. 48 mm). 1 in. A weld that is made in repeated short lengths is called an intermittent weld. Notice that the spacing, or pitch, is not the clear space between the welds, but the center-to-center (or end-to-end) distance. Horizontal. ; controls. NO * YES. 37)/1. b) The weld increment length is the minimum. It is generally applied to studs ranging from 1. scarf. What is the recommended maximum intermittent weld spacing for a tension member? Section D4 of the AISC Specification for Steel Buildings (ANSI/AISC 360) refers to Section J3. Not all pitch will be the same, or necessarily common space. 4. _____ effects the strength of the weld. To set the method for distributing the intermittent weld segments along the trajectory, next to Weld spacing, select an option: End with gap —Distribute the weld segments so every weld is followed by a gap. 4 Plug and slot welds are not to be used except where access to both sides is not possible. Two. Easily calculate the pitch between weld beads as well as bead quantities and lengths for your intermittent and stitch welding projects. 欲設定沿軌跡分佈間歇焊接段的方法，請在 「焊接間距」(Weld spacing). The spacing of plug welds in any con g-30° uration other than a straight line shall be dimensioned on /we ¢ 25 I. You must be able to calculate the spacing between weld stops and weld starts in order to apply the correct welds to the specification. May 2020 Column Eccentricity Intermittent Fillet Weld Spacing for Tension Members Beam Stability Bracing. Maximum increase is found to be 21% corresponding to 10t spacing. Weld symbols on the dashed line relates to weld on the far side of the plate. 38) Substituting for q and qa form Eqs. ____ 4. Weld produced by filling an elongated hole in an overlapping member, and attaching it to the member beneath. 12 addresses built-up members and provides maximum spacing. By CHGuilford Date 01-31-2002 15:54. Since this is an axial only member (theoretically) I would just divide the axial strength required from the angle by the weld strength to get a length required, and use intermittent welds to get that length. Studs come in all sorts of sizes, shapes, and varieties. max clear spacing between welds shall not exceed 24 times the thinner of the two sections joined (aws d1. The groove weld symbol is placed on the same side of the reference line. You must be able to calculate the spacing between weld stops and weld starts in order to apply the correct welds to the specification. 11. It should be noted, the configurations that include sleeve end fillet welds are also applicable to the circumferential welds at the. (411. The pitch would be the spacing of the intermittent welds, generally center to center. For intermittent welds, the length of each portion of the weld and the spacing of the welds are separated by a dash (length first, spacing second) and placed to the right of the fillet-weld symbol (Fig. spacing for intermittent welds or bolts shall be adequate to provide for the transfer of the required strength. value-1. , Dimensions that may be added to the edge weld symbol are size, length, and spacing (pitch of intermittent welds). They can be used on a minimum of two sheets being welded on their edge or can be used with multiple sheet metals. -for intermittent welds, length shall not be less than the greater of. The primary element of any welding symbol. T/F. the design of the weld and or the groove is usually the function of the -------. Study with Quizlet and memorize flashcards containing terms like The primary element of any welding symbol is referred to as the, Information appearing below the reference line refers to the, the term___________refers to the center-to-center spacing of an intermittent fillet weld. spacing of the intermittent welding on the column confinement and early tube buckling is studied. 11. An intermittent weld is made in regular intervals of welding and gaps. Intermittent fillet welds can be specified on both sides of a joint by placing a fillet weld symbol both below and. Intermittent welding can save time and money if a long weld is not necessary. There may not be enough room for<br /> another intermittent weld. , Which of the following is not considered a type of weld joint?, The weld joint formed when two parallel members overlap each other is called a ______ joint. Weld symbols on the dashed line relates to weld on the far side of the plate. 98 in > 4. 8 and for gas welds, they should be multiplied by 0. Using pro weld in creo 2. In intermittent welding mode, the weld length was 20 mm and the weld spacing was increased from 29 mm to 960 mm. require a small weld spacing to avoid the shunting effect. [SOURCE:ISO/TR 25901-1:2016, 2. 要设置沿轨迹分布间断焊缝段的方法，请在 “焊缝间距”(Weld spacing). The pitch is the distance between centers of segments on one side of the joint. , The edge weld symbol may only be used in. James,In general, the results of these studies demonstrated that various factors like plate slenderness of each plate element, depth of the beam, geometry of the corrugation, intermittent weld spacing. Weld symbols on the dashed line relates to weld on the far side of the plate. The weld is intermittent along the entire joint with a length of 1. To get the spacing for layout subtract the length of one weld from the pitch. reference line. 1. The length of the unwelded portion at the end shouldn't exceed the length of the unwelded portion between segments, per AWS A2. However, if the size of the fillet weld is not even, designers can use two numbers in the form of, e. Slot Weld. The finite element analysis was carried out using. 4-98, Standard Symbols for Welding, Brazing, and Nondestructive Ex - amination, but is included for information purposes only). When used. Drag angle. ) 7 inches (pitch) – 3 inches (length of segment) = 4 inches (spacing in between welds) At times there will be a. 7 Fillet Weld Terminations 2. March 2020 Plumbness and Straightness Tolerance Moderate and Highly Ductile Member Requirements in the Seismic Provisions. When the finish symbol is the letter "G," the weld is finished by grinding. 断続溶接セグメントを軌道に沿って分布する方法を設定するには、 「溶接間隔」(Weld spacing) で、次のオプションを選択します。 「ギャップで終了」(End with gap) - すべての溶接の後ろにギャップができるように溶接セグメントを分布します。Pour rendre la soudure discontinue, cochez la case Soudure discontinue (Intermittent weld). metal and the toe o f the weld may be less than 1/16 in. 12. (38. The pitch (center-to-center spacing) of an intermittent weld (for- merly known as a skip weld) is expressed as the dis- tance between centers of increments on one side of the joint. Divide that number by the desired spacing between the weld centers. Both joints are still doing the same thing. When bolts are staggered, the maximum spacing along each gage line should not exceed 18 in or 190t F . 5. There is a weld at the start of the trajectory. 2. 3. The center-to-center spacing (pitch) of a plug weld is shown to the right of the weld symbol. width . As long as you meet that minimum and satisfy your shear flow, I'd say you'll be fine. Three-dimensional schematic diagram of the test specimens. For an intermittent weld, the segment length dimension is placed to the right of the fillet weld symbol, followed by a hyphen and pitch dimension. intermittent weld segment us ed was 20mm; t he largest weld size is in 25mm bars, in which four weld sizes is 18mm as min. What is the term that refers to the center-to-center spacing of an intermittent fillet weld? Lap. 10) 50 times. But we can’t. This means that the distance between each bolt, nut, or intermittent weld. 2. 12. Study with Quizlet and memorize flashcards containing terms like The edge weld symbol has many of the elements applied to other weld symbols—size, length, pitch, weld-all-around, weld-in-field, finishing and methods of finishing welds. 000941. The pitch (center-to-center spacing) of intermittent fillet welding shall be shown as the distance between centers of increments on one side of the joint. The pitch is the distance between centers of segments on one side of the joint. If you mean intermittent fillet weld, I know what that is. What is the recommended maximum intermittent weld spacing for a tension member? Section D4 of the AISC Specification for Steel Buildings (ANSI/AISC 360) refers to Section J3. Intermittent weld – example. Instead of creating a continuous weld, intermittent fillet welds are spaced apart, leaving gaps between each weld. Not all pitch will be the same, or necessarily common space. Eight times the weld size 7 In addition to the above limitation, what is the minimum length for intermittent fillet. (2 mm), provided the weld size is clearly verifiable. butt joint C. Use 3 16 i n. Option 2 is less common but can be done due and has the advantage of downturn welds (or whatever people call them), with the same caveats as Option 1. Study with Quizlet and memorize flashcards containing terms like for multiple joint seam welds where one or more pieces are inserted between the two outer members the same symbol and elements are applied to specify the weld as used for the two member joints regardless of the number of pieces inserted, the seam weld symbol may only have an. Most of the common weld types in the industry are used when the joint has two members joining together to create an intersection of 90 degrees. Not all pitch will be the same, or necessarily common space. 13 Intermittent flange-to-web fillet weld Design of Plate Girders 24 of each portion of the fillet weld by L1 and the spacing of the intermittent weld by a1, the following relation holds between these two variables: L1qa = a1q (9. b) The weld increment length is the minimum. To set the intermittency type, next to Type, select an option: Linear —Use linear pitch (distance between weld segments). ; The length of intermediate welds should not be less than 4 times the weld size with a minimum of 40 mm. The diagram below illustrates the various elements making up the weld symbol. When a weld is not required to be continuous it is common to apply an intermittent weld. g. Eight times the weld size 7 In addition to the above limitation, what is the minimum length for intermittent fillet welds? a. Note! Note: Weld symbols on the full reference line relates to welds on the arrow side of the plate being welded. However, intermittent welding does not reduce drastically the angular distortion of the stiffened plate, in comparison with the continuous welding [12]. The length and deposition of welds, including end returns orThe Basic ISO Weld Symbol. weld face C. These are called weld segments. You must be able to calculate the spacing between weld stops and weld starts in order to apply the correct welds to the specification. 85. In most cases, tack welds are intermittent, and the strength across the joint can be made greater by increasing the number of intermittent tack welds, even to the point of a continuous tack weld. 6. k. Are you saying that if the angle is shop welded to the new tee, that intermittent field fillet welds to the existing beam flange one side of the angle is sufficient? What are the stiffeners doing, and what spacing are they at, or are they only at the ends. staggered intermittent weld. What is the term that refers to the center-to-center spacing of an intermittent fillet weld? Lap. g.