ACI 309-72 PDF

ACI Standard. Recommended Practice for. Consolidation of Concrete (ACI 72). D. H. BASGEN. R. H. BRUBAKER. JOHN C. FARMER. LARS FORSSBLAD. Recommended Practice for Consolidation of Concrete (ACI ). Front Cover. American Concrete Institute. American Concrete Institute, – Concrete – Recommended Practice for Consolidation of Concrete (ACI ) (Reaffirmed ). Front Cover. ACI Committee American Concrete Institute,

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Light textures may get lost on a tall building. ACI 72 [78] — CH.

Section — Concrete Formwork. Scrub the liner surface with a stiff bristle scrub brush dipped repeatedly in one of the approved release agents.

Store and use form liner panels at temperatures between 40 degrees F and degrees F. Scott Systems Pattern Series: Form corners indicated to be chamfered with PVC chamfer. Provide full scale mock-up using contract materials, methods and workmanship. Submit under provisions of Section All excess release agent shall be blown or wiped off before the form and liner is put back into service. Denver, CO Tel: Chamfered corners shall be smooth, solid, unbroken continuous lines.

Verify lines and levels of formwork and form liner patterns are within allowable tolerances. Installation instructions and [ Product Data ] verifying compliance with specifications.

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URETHANE FORM LINERS FOR ARCHITECTURAL CONCRETE SPECIFICATIONS – Scott System

Try to view the texture sample from a distance with sidelight for the best visual perspective of the texture. Decrease centers as necessary to accommodate form stripping pressures without damaging liner intended for multiple use.

Do not use damaged liner when continued use or repair would diminish the aesthetics of the Work. ACI 78 — CH. When deciding on the extent of the mock-up, consider all the major different types of work on the project. Include concrete mix, forming system, form release agents, placement rate, form pressures, joint sealing, vibrating and stripping practices.

Prevent matrix build-up on the liner surface. A minimum of 3 years experience with form liners similar to those required for this Project.

ACI — CH. Demonstrate patching and repair procedures for spawled concrete, and voids caused by honeycombing or bug holes. Keyed liner cannot strip unless it is not bonded to form sections and can be peeled from the set concrete after the form has been moved away. Incorporate formwork accessories and minimum one vertical and one horizontal form liner joint.

Proper cleaning and storage of form liner is required to obtain acceptable results. Section — Tilt-Up Concrete.

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Find in a library : Recommended practice for consolidation of concrete (ACI ).

This section is based on the products of Scott System, Inc. Section — Precast Concrete. Thoroughly vibrate concrete to achieve consolidation, and minimize voids. Cover form liners to protect from oil, dirt and UV exposure.

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Elastomeric form liners for texturing architectural concrete. Do not use damaged products. Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with xci of local authorities having jurisdiction. Storage of form liner shall be out of direct sunlight and in temperatures below degrees F 60 degrees C. Contractor responsible for design of formwork and back-up of form liner for structural stability and sufficiency.

Requests for substitutions will be considered in accordance with provisions of Section Elongation D — percent: Hardness — D — Shore A: Schedule concrete pour immediately after application of release agent to avoid precipitation, dust, and debris.

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