ACI 336.1 PDF

This Reference Specification covers requirements for drilled pier construction and applies to drilled piers of 30 in. ( mm) diameter and larger. The Contractor. ACI – Specifications for the Construction of Drilled Piers – Download as PDF File .pdf), Text File .txt) or read online. ACI Reference Specification for the Construction of Drilled Piers. standard by American Concrete Institute, 01/01/ View all.

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The designer should check to see that the stress induced by the maximum eccentricity permitted is within code-allowable values. The Testing Agency will perform a compression test on cylinders at 28 days.

Citations are adi on reference standards. Determine if there are conflicts with the Work. Advanced Search Find a Library.

ACI Specification for the Construction_百度文库

Learn more about Amazon Prime. Discover Prime Book Box for Kids. Add a review and share your thoughts with other readers. Individual sections, articles, or paragraphs shall not be copied into the Project Specifications, because taking them out of context may change their meanings.

The probability of some defects occurring during construction is recognized in design by the relatively low values of allowable stress permitted in the concrete compared to above-ground construction. No end bearing 2. Please enter recipient e-mail address es.

Provide site supervisor and drillers, each with a minimum of 3 years of acceptable experience in installing similar types of drilled piers.

For most piers with partial-length reinforcement, 1. The length of time that a pier excavation can safely remain open depends on the soil conditions and local code restrictions.

Product details Paperback Publisher: Pig—Device inserted into a tremie or pump pipe to separate the concrete from the pier excavation fluid inside the pipe. For unreinforced piers extending through materials offering minimal or no lateral restraint water, normally consolidated organic soils, and soils that might liquefy during an earthquake — Review drilled pier acceptance criteria with the Design Geotechnical Engineer.

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Controlled slurry—Slurry that is controlled to conform to specified properties.

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Permanent liners used as a concrete form inside a smooth-walled steel temporary casing are usually thin-walled corrugated metal of sufficient thickness to handle the tensile forces created by the pressure of fluid concrete.

Installation methods can adversely affect design parameters such as end bearing and side resistance. In some cases, concrete samples have been taken from every truck but tested only if required. Shop drawings and mill test reports on reinforcing steel shall be submitted. If there has been an adequate geotechnical investigation for design, and the geology is well known, only minimum testing is required in the field to confirm the bearing stratum. However, formatting rules can vary widely between applications and fields of interest or study.

In some piers, the design stresses may be at or close to the allowable code value. Please enter your name. American Concrete Institute P. Box Farmington Hills, Mich.

For unreinforced piers extending through materials offering lateral restraint 336. other than those indicated above —not more than 1. An example of the latter case would be when used inside temporary casing that is later withdrawn after concrete has been placed and has taken initial set within the metal liner.

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Responsibilities for project participants must be defined in the project specifications. Place enough concrete in the pipe or tremie to prevent the flow of slurry into it. The other is an annular space between a permanent form liner and an oversized temporary casing installed during excavation.

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White This specification covers requirements for drilled pier construction. There may be occasions, however, where slow ground squeeze is occurring and the measured pier diameter is slightly below design pier diameter. The Testing Agency should be retained by the Owner. Some features of WorldCat will not be available.

The Design Structural Engineer and the Design Geotechnical Engineer should be retained for construction inspection and construction engineering because design decisions will be required during construction of the foundations. Clear all obstructions encountered during excavation. Your rating has been recorded. No end bearing 4.

The anchorage can then be set under more closely controlled conditions. If down-hole inspection is precluded, either because of the presence of gas or other safety issues, or excavation is occurring under slurry, indirect measurements taken from the top of the shaft will be required. Be the first to review this item Amazon Best Sellers Rank: With end bearing b.

Judgment may be required in interpreting test results to account for sample 363.1 and the presence of sand and silt seams in the cohesive stratum. WorldCat is the world’s largest library catalog, helping you find library materials online.

Failure to do so is ample cause for disapproval of the subcontractor. Maintain proper dimension and location of reinforcing steel during concreting operations. Contractor—The person, firm, or corporation with whom the Owner enters into an agreement for construction of the Work.

Create lists, bibliographies and reviews: The specific requirements or preferences of 3361. reviewing publisher, classroom teacher, institution or organization should be applied.