Guide on design of postinstalled anchor bolt systems in hong. The tstub, anchor bolts in tension and base plate in bending, assumption of acting forces. In surveys of anchor rods used for anchorage of tanks, vessels. This standard provides minimum requirements for the design, construction, inspection, and testing of new cylindrical, factorycoated, bolted carbon steel tank. Anchor bolt chair design, the original zick paper for saddles, partial volumes of heads, etc. When anchor bolt failure is such that complete replacement is necessary, it can be accomplished using techniques consistent with the sketch shown in figure 36. I hadnt looked at my copy for a while, but realized it would actually answer lots of peoples questions on this forum. This sketch is of a typical replacement anchor bolt in an ideal installation. Sl chan department of civil and environmental engineering, the hong kong polytechnic university published by the hong kong institute of steel construction. Awwa d10309 factorycoated bolted carbon steel tanks for. Handling and installation of above ground steel tanks.
Design of foot bolts for weak roof storage tanks to avoid. Especially, the anchor bolts used in the safetyrelated tank foundation are required to design. Pdf design problems of anchoring of aboveground steel tanks. Design per 1997 ubc allowable soil bearing psf seismic zone 1 f c 2000 psi 110 mph wind, exposure b rebar fy 40000 psi occupancy category. For such columns, the simple columnbaseplate connection detail shown in figure 1. Anchor bolt design for shear and tension, engineering journal, american institute of steel construction, vol.
Improve tank anchorage design and add anchor strap detailsguidance. Anchor chair design for api 650 storage tanks api american. Evaluation of the anchorbolt chair design considering. Throughout this investigation three different design procedures were evaluated in order to determine the localized stresses occurring in the shell above the chairs due to wind load. This appendix presents design examples of the retrofitting techniques for elevation, dry floodproofing, wet. Profis anchor performs calculations for castinplace anchors and hilti postinstalled anchors in accordance with the strength design provisions of aci 318 and the international building code. Anchor bolt design for shear and tension american institute. Now insert strap into the vinyl sheath and lay sheath over the top of the tank and pull remaining strap down to the anchor head on the. The stretch of a bolt or metal rod loaded in tension is calculated by use of the following equation. The kinetics noise control model tg bolt isolation grommet is used primarily to fill the excess clearance in the anchorbolt holes in equipmentisolator mounting platesfeet. Fabrication during the design phase of a project can frequently lead to reducedfinal costswith no reduction in system functionality if the fabricator understandswhat you are trying to accomplish. Therefore, a design guide making references to latest technologies appears to be necessary. Haninger in current practice the design of base plates is controlled by bearing restrictions on the concrete see fig.
A 212 inches diameter anchor bolt with 2 ft 238 inches embedded depth was used and preformed blockout for grout is introduced to evaluate the effect on the capacity of grouted anchor. Design problems of anchoring of aboveground steel tanks. The kinetics noise control model tg bolt isolation grommet is used primarily to fill the excess clearance in the anchor bolt holes in equipmentisolator mounting platesfeet. This approach has antecedents in the anchor design re quirements of the aci 349 code for nuclear.
Provide bolts and nuts that meet the standards given in table 1. Hdr25 shipping assembly complete with an ar6525 coneshell anchor hdr site assembly. The critical parameter is the width of the bolt chairs top plate. The original evaluation used the distance between the outside edges of the chairs vertical stiffeners about 7. Anchor bolts and attachment hardware seismic design manual. At hilti, we work hard to help build a better world. Table 1 bolt and nut standards specified anchor bolt category bolt standards nut standards mild steel astm a 307 gr. The codes and best practice require that the diameter of an anchorbolt hole not exceed the diameter of the anchorbolt by more than seismic design manual. The fa ilure of the tensile zone could be caused by yielding of the plate, failure of the anchor bolts, or combination of both phenomena. Pdf tank design detailing introduction antonio luis.
This results in elongation of the anchor bolts and bending of the base plate 9. Fabricate and install anchor bolts to be embedded in or attached to concrete. The most cost effective tank and vessel design will vary among fabricators depending on their equipment, facilities, expertise and standard procedures. It is envisaged by publishing the english version of design recommendation for storage tanks and their supports that the above unique design recommendation will be promoted to the overseas countries who are concerned on the design of storage tanks and the activities of the architectural institute of japan will be introduced them too. Anchor bolts for tension and shearing forces, and their chair 1. The entire tank stands on a foundation composed of concrete ring walls and gravel, with no anchor bolts. Please refer to your specific tank drawing for hold down. Fastening technology manual dynamic design for anchors hilti. Guide on design of postinstalled anchor bolt systems in. The impetus for the preparation of a second edition of the guide to design criteria for bolted and riveted joints has been the enthusiastic reception of the original version and the continued citation for over a decade of that book as a source of information regarding the design of bolted connections. Examples c1 through c5 are a set of examples that illustrate the elevation of a singlestory home with a crawlspace. Anchor bolt design guide example 3 shear lug plate section design design a shear lug plate for a 14in.
For aboveground vertical cylindrical storage tanks without any restraining element, such as anchor bolts or straps, to prevent any overturning. Guide for design and installation of anchor bolts used in. Frp panel type water tank fiber technology corporation. For such columns, the simple columnbaseplate connection detail shown. Anchorage design for petrochemical facilities prepared by task committee on anchorage of the petrochemical committee of the energy division of the american society of civil engineers. Hilti profis anchor represents the next generation in anchor design software. The anchor bolt capacity is limited by bending stresses induced in the tank wall by the bolt chair see gip section 7. Both shear and tension are transferred through anchor bolts to resist design forces such as uplift due to wind. Design of postinstalled anchor bolt systems in hong kong dr. Tank anchor bolt design free download as excel spreadsheet.
Vertical vessel circular pattern anchor bolt design aci 31814. If the turntotension procedure is used to establish clamping load, it is necessary to know both the spring rate of the bolt and the spring rate of the clamped components, since turning the bolt stretches the. The base plate and shear lug have f ya 36 ksi and f c 3 ksi. The current research of the tanks in which anchor bolts, respectively chairs fig. As a conclusion, the design resistance of the tstub in cases when no prying. The distance from the end of the tank to the first anchor point shall not be more than. Pip ste05121 anchor bolt design guide pip sts03001 plain and reinforced concrete specification pip vecta001 tank selection guide pip vesta002 atmospheric storage tank specification in accordance with api standard 650 pip vedta003 atmospheric storage tank data sheet and instructions in accordance with api. Engineering fundamentals of threaded fastener design and analysis. At tank connection affiliate group, we have over 500 employees and 5 tank manufacturing facilities.
The codes and best practice require that the diameter of an anchor bolt hole not exceed the diameter of the anchor bolt by more than seismic design manual. The design of circular pattern anchor bolt group is simplified as design of a single anchor bolt with 3 side free edges sawcut at midway between adjacent anchors. Guide for design and installation of anchor bolts used in transportation structures parsons 11 brinckerhoff 1. Tank requirements concrete slab foundation minimum requirements secondary tank dimensionsfoundation dimensions reinforcing steel anchor bolt requirements volume t l t w t h f l f.
Tank connection is the largest and leading global bolted tank supplier for liquid and dry bulk storage applications. The simplified design method uses the following assumptions 1. Computer aided panel design, allied to the immense inherent strength of frp material combined with the resilience of a flexible joint system, makes ftc frp panel type water tanks unmatched in the world for reliability. Base plate in bending and anchor bolts in tension heron. A number in parentheses indicates the year of last. When column base plates are subject to both uplift and very large shear loads, two independent systems are normally used to resist tension in the anchor bolts and shear at the level of the base plate. Attach strap to anchor by sliding into the slotted bolt in anchor and tightening 4 to 5 turns with a socket wrench, then use the nut to tighten and pull the square shoulder of the bolt into the anchor head. Design of headed anchor bolts construccion en acero. Anchor bolt design should be performed by a licensed engineer based on the local conditions and regulations. Complete replacement of an anchor bolt is possible without lifting or regrouting the machine.
Tank anchor bolt design applied and interdisciplinary physics. After the tank is properly located on the pad, it should be anchored down as soon as possible, utilizing proper anchor bolts for the local site seismic and wind conditions. This handbook is aimed to set out the design guidelines for postinstalled anchor bolt design subject to mainly static loads making references to etag 001, annex. Hilti 2011 anchor fastening technical guide buildsite.
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