Lateral capacity of WSDOT bearing anchor bolt detailsfinal report for Research Project 2620 "Lateral Capacity of WSDOT Bearing Anchor Bolt Details"
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Washington State Dept. of Transportation, Washington State Transportation Commission in cooperation with the U.S. Dept. of Transportation, Federal Highway Administration , [Olympia, Wash.]
Anchorage (Structural engineering) -- Testing., Bolts and nuts -- Testing., Bridges -- Washington (State) -- Earthquake effects -- Tes
|Statement||by Rafik Y. Itani, Rachid Nakib, Duane L. Stone ; prepared for Washington State Transportation Commission, Department of Transportation, and in cooperation with U.S. Department of Transportation, Federal Highway Administration.|
|Contributions||Nakib, Rachid., Stone, Duane Laurence, 1957-, Washington (State). Dept. of Transportation., United States. Federal Highway Administration.|
|The Physical Object|
|Pagination||iv, 33 p. :|
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Title: Lateral Capacity of WSDOT Bearing Anchor Bolt Details Author: Rafik Y. Itani, Rachib Nakib, Duane L. Stone Subject: Anchor bolts, Bridge design, Bridges.
The strengths indicated by the multiple anchor bolt tests were conservative when compared to the results obtained from the testing program.
It has also been determined that the AISC/LRFD tension stress limits for bearing type connections could be used for designing WSDOT anchor bolt connections with A /2 inch diameter bolts.
Description Lateral capacity of WSDOT bearing anchor bolt details EPUB
COVID For the latest COVID health guidance, statistics and resources, visit LATERAL CAPACITY OF WSDOT BEARING ANCHOR BOLT DETAILS. FINAL REPORT. The objective of this research is to recommend a rational design method for bridge anchor bolt connections used by the Washington State Department of Transportation (WSDOT).Author: R Itani, R Nakib, D S Stone.
Anchor Bolt Data Anchor bolt material F Grade 36 F Grade 55 F Grade A Grade A A Grade C A36 A Grade B7 dia A Grade L7 dia A Grade BC A Grade BD dia A 1/4. Foundation Design for Signals, Signs, Chapter 17 Noise Barriers, Culverts, and Buildings General Overview This chapter covers the geotechnical design of lightly loaded structures which include: noise barriers, sign bridges, cantilevered signs and signals, strain pole standards.
WisDOT Bridge Manual. Chapter 27 – Bearings. July The required design input for the design of an elastomeric bearing at the service limit state is dead load, live load plus dynamic load allowance, minimum vertical force due to permanent load, and design translation.
The required design input at the strength limit state is shear force. The transverse load per anchor bolt is then: Using the bearing stress approximation from above, the required anchor bolt area resisting the transverse horizontal load can be calculated.
A 1 is the product of the anchor bolt diameter and the length the anchor bolt is embedded into the concrete pedestal/beam seat. Since we know the anchor bolt. Refer to Figure for design data such as masonry plate size, anchor bolt gage, and overall bearing height.
During design, use this information when computing bridge seat elevations and cap dimensions. Use the anchor bolt gage to check for conflicts with reinforcing steel in the bent Size: KB. To sort records click the column headers. An Investigation of the Natural Microscale Mechanisms That Cause Volume Change in Expansive Clays.
User's Manual for Laterally Loaded Pile Analysis Program for the Microcomputer, (COMP) Version Deployment of the Geosynthetic Reinforced Soil Integrated Bridge System From toSynthesis. Specific Task Training Program Drilled Shaft Foundation Construction Inspection S Class Reference Guide Revised February 6 the drilled shaft.
Increasing the size of the base is commonly referred to as under-reaming or belling. Bells can be constructed at File Size: 2MB. with d.c.e.s. approval. see bd-bg6e for details. designers shall determine size of weld. other methods of attachment are allowed as an alternate note "a": anchor studs shall be 1" dia.
minimum. for anchor stud details, see bd-bg6e. designer notes: (type e.b.) - fixed with external plates elastomeric bearing steel laminated office of structures. Steel Bridge Bearing Design and Detailing Guidelines Introduction The purpose of this guide is to present steel bridge bearing details that are cost effective, functional, and durable.
Three major types of bridge bearings are presented. Elastomeric bearings.
Details Lateral capacity of WSDOT bearing anchor bolt details EPUB
Anchor Bolts: Load bearing bale walls shall be anchored to the foundation by ½ inch diameter steel anchor bolts embedded at least 7 inches in the foundation at intervals of 6 feet or less.
A minimum of two anchor bolts per wall shall be provided, with one bolt located within 36 inches ofFile Size: KB. concrete box beams and slab units. Since its longitudinal expansion capacity is limited, the main function of this bearing is to take up any misalignment of the beams with the surface of the bridge seat.
The expansion bearing is provided with a hole through which a mm diameter anchor dowel is inserted and compressible material is injected. 2( kips/bolt) = kips and the bearing strength of 2( kips/bolt) = kips. The strength of the bolts at the outer bolt line is governed by the tearout strength at the edge for the 3∕8-in.
plate 2( kips) = kips per shear plane. Note the tearout strength, File Size: KB. This is the second time we have partnered with SEAONC on non-proprietary anchor bolt testing.
The first partnership, on sill plate anchor bolts in shear, resulted in successful code change provisions (led by SEAONC) restoring the capacity of these connections to.
Bolt Plate Bearing Strength - Steel and Concrete Design Bolt Preloading & Torque Bolt Connections - Column Shoes and Anchor Bolts - Duration. The following case studies show three recent bridge bearing replacement projects designed by WSDOT. CASE STUDY 1: PUYALLUP RIVER BRIDGE, BRIDGE No.
/20E, PIERCE COUNTY, WASHINGTON The Puyallup River Bridge, originally the Meridian Street Bridge, was built in The bridge consists of a m single-span steel truss that spans the riverFile Size: KB.
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The experimental evidence presented in this investigation also shows that the ratio of ultimate bearing stress of large to small concrete blocks can approximately be scaled to 1/S1/4, where S is the scale factor.
A mathematical equation to calculate the ultimate bearing capacity in term of area of lateral steel reinforcement is by: of-Plane Loading Due to Concentrated Loads In addition to designing walls to resist the distributed concentrated loads, the bearing on the masonry must also be checked.
Bearing stresses are calculated using the bearing area, A br, which is equal to the smaller of the areas obtained from the following equations: = 2 1 1 br A AA A (1) A br =2A 1 File Size: KB. Anchor bolts must be located so that the nuts may be put on with the whole bearing (including sole plate) in place.
The specifications do not allow the Contractor to disassemble the bearing in order to put the nuts on the bolts. On expansion bearings, the dimension SA is File Size: KB.
Bearing stress effects are independent of the bolt type because the bearing stress acts on the connected plate not the bolt. A possible failure mode resulting from excessive bearing close to the edge of the connected element is shear tear-out as shown below (Figure 4).
This type of shear tear-out can also occur between two holes in the. Where bearing assemblies are required to support structural steel girders fabricated from atmospheric corrosion resisting steel, the use of similar material for bearing plates may be considered. Deck joints.
General requirements. Functional requirements. All deck joints, except finger joints, shall be sealed. Unless. LRFD DESIGN SPECIFICATIONS FOR SHALLOW FOUNDATIONS Final Report September APPENDIX H DESIGN EXAMPLES Prepared for factors for the strength limit state applied to the bearing capacity calculations (Table H) and the sliding calculations (Table H).
H-2 Figure H Geometry of interior bridge pier founded on spread footing File Size: KB. Title: Effects of Surface Reinforcement on Bearing Capacity of Concrete with Anchor Bolts Author(s): Martin Nilsson, Ulf Ohlsson, Lennart Elfgren Publication: NCR Volume: 44 Issue: 11 Appears on pages(s): Keywords: Fasteners, Load capacity, Test, Reinforcement Date: 12/15/ Abstract: 66 tests of the influence of surface reinforcement on the tensile load capacity of.
Embedment of Anchor Bolt/Dowel Clean each anchor bolt/dowel so that it is free of all rust, grease, oil, and other contaminants. Unless otherwise shown on the plans, the minimum anchor bolt/dowel embedment depth is such that the adhesive develops at least % of the anchor bolt/dowel yield load as determined by the Size: KB.
Two (2) total rows of anchor bolts are allowed, one row outside of each column flange. There must be an equal number of anchor bolts in each of the two (2) rows.
For cases with anchor bolt tension and base plate bearing, this program calculates the bending moment in the base plate at two locations.4/5(3).
Bridge Bearings Introduction. Bridge decks supported by piers are susceptible to damage due to vehicle movement and heat expansion. The primary function of Elastomeric Bearing Pads is to provide a connection to control the interactions of loading and movements between parts of a structure, usually between superstructure and substructure.
Chapter 5 – Quantities Calculations 5 - 2 Apr Rev Sept Estimated quantities for the more common bridge associated bid items shall be based on the units and accuracy shown in the following table.
An asterisk (*) indicates that additional information and suggested formulas to be used in quantity calculations follow the Size: KB. ANCHOR BOLT AND BEARING PAD REMODELING POLICY This policy is intended to insure that all necessary remodeling of anchor bolts and bearings is performed.
It is also the goal to reduce the amount of judgment decision that must be made after the contract is let and to limit the amount of cost overruns. 1.Keywords: bonded anchor, load bearing capacity, bond strength, experiment, tensile load, high performance concrete 1.
Introduction The presented research is focused on issues of bond quality and the combined concrete-bond failure of bonded anchors loaded by tensile by: to assure full bearing across the slots.
When bolt-down grates are specified in the contract, provide two holes in the frame that are vertically aligned with the grate slots. Tap each hole to accept a 5/8" × - 11 NC × 2" allen head cap screw.
Location of bolt-down holes varies among different manufacturers.
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