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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If an installation method is specified, experience with this method is required; b. Finding libraries that hold this item The procedures required to avoid contamination and defects are well-described. Adequate lateral confinement is particularly critical when working in karst cavernous limestone topography where adjacent cavities in the limestone are possible.

If a tighter tolerance is required particularly with small diameter shaftsit should be specified.

ACI Specification for the Construction_百度文库

The E-mail Address es field is required. Cancel Forgot your password? In some cases, concrete samples have been taken from every truck but tested only if required. This specification covers requirements for drilled pier construction.

It includes delivery, handling, and storage of the casing, excavation, soil testing, placing of concrete ack reinforcing steel, and inspection. Variations from this range may be permissible and even necessary for certain situations.

Please enter your name. In the second case, the entire void space can be seen so that a gravity flowable grout can be acceptable, depending on depth and lateral restraint assumptions.

Lacy Secretary Clyde N. Any general contractor desiring to subcontract the drilled pier work should ensure that the proposed subcontractor has fulfilled those requirements. You already recently rated this item. Shop drawings and mill test reports on reinforcing steel shall be submitted. The selection of the acl characteristics and 3361. method should be consistent with Table 2. Provide the socket roughness specified.


Compensation for changing the size of the bell, if required, can be based on an add or deduct price for the bell volume difference.

The Testing Agency should be retained by the Owner. Don’t have an account? 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. Add a review and share your thoughts with other readers.

The purpose of the preconstruction meeting is to establish or confirm lines of communication and roles of the parties involved, review construction procedures and schedule to be followed, and answer any questions that the parties involved might raise. Provide steel casing for shaft excavation where required. Checklists assist the specifier in selecting and specifying project requirements in the Project Specifications.

Grout specified to have a minimum day strength of psi kPa is adequate for void filling. Judgment may be required in xci test results to account for sample disturbance and the presence of sand and silt seams in the cohesive stratum.

In this case, close cooperation between the Contractor and the testing agency is essential.

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The size and amount of seams found enables acu determination of the soundness of the soil formation. The extent of probing specified should be determined by the Design Geotechnical Engineer. With end bearing b. Shopbop Designer Fashion Brands. The E-mail message field is required. Specify any additional required submittals by Contractor and distribution thereof.


The center at cut-off shall be the center as permitted in Section 3. CopyrightAmerican Concrete Institute. For example, a low unconfined compression test result in an otherwise hard glacial clay deposit may be due to a sand and silt seam and thus not be indicative ai the actual confined compressive strength of the soil.

The ASTM grade of reinforcing steel can affect constructibility. Methods that are not compatible with the design intent will be rejected. Please select Ok if you would like to proceed with this request anyway. With high wci soil resistance, the bending moment can reduce to zero at a point well above the base of the shaft.

R Specification for the Construction of Drilled Piers: ACI: : Books

Tremie method—Procedure for placing concrete underwater or slurry using a watertight steel pipe or tube to place concrete without washing out cement fines. The location tolerances given in the Specification are the national consensus standards. Your request to send this item has been completed.

Your rating has been recorded. There’s a problem loading this menu right now. Please verify that you are not a robot. Submit a program to the Owner for quality control; e. Please enter the message. Amazon Drive Cloud storage from Amazon. WorldCat is the world’s largest library catalog, helping you find library materials online. The experience and equipment requirements of contractors for acceptance as bidders will vary with the size and complexity of a project.