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ULTRA HIGH PERFORMANCE CONCRETE (UHPC) - Precast
National Precast Concrete Association • precast.org 2 This publication is designed to provide accurate and authoritative information with regard to the subject matter covered; however, the National Precast Concrete Association acts as a mediator without approving, disapproving or guaranteeing the validity or accuracy of
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SAFE HANDLING OF PRECAST CONCRETE …
precast.orgNational Precast Concrete Association Safety Program of the Quarter - Fall 2007 Chains and Slings 1 SAFE HANDLING OF PRECAST CONCRETE PRODUCTS …
NATIONAL PRECAST CONCRETE ASSOCATION
precast.orgMATERIALS The primary constituents of precast concrete are cement, fine and coarse aggregates, water and admixtures. The following discussion covers relevant factors in the
PREVENTING HAND INJURIES - Precast concrete
precast.orgHow important are your hands? The hand is one of the most complex parts of your body - the movement of the tendons, bones, tissues and nerves allows you to
PRECAST CONCRETE MANHOLES
precast.orgPRECAST CONCRETE MANHOLES Round Structures • ASTM C478, “Standard Specification for Precast Reinforced Concrete Manhole Sections”
PRECAST CONCRETE MANHOLES
precast.org4 • MANHOLE TECHNICAL • NATIONAL PRECAST CONCRETE ASSOCIATION Precast concrete manholes are a smart choice for projects applying for LEED certification.
PRECAST CONCRETE BOX CULVERTS
precast.orgINTRODUCTION • Standard box sizes: 3’ x 2’ to 12’ x 12’ in 1’ span and rise increments. • Typically come in 6’ and 8’ lengths. • Custom box sizes: Nonstandard sizing
PRECAST CONCRETE PIPE
precast.orgTOPICS • Minimum Structure Size. • Maximum Angle into Rectangular Structures. • Minimum Angle between Pipes entering Round Structures. • Minimum Pipe Depth.
Precast Concrete Traffic Barriers
precast.org• Reduce the risk of an out-of-control vehicle crossing the median and colliding with opposing traffic or roadway workers.
Fixed and Portable Ladders- A Guide to OSHA Rules
precast.orgRungs, cleats and steps of portable and fixed ladders (except as provided below) must not be spaced less than 10 inches (25 cm) apart, not more
Notice Overhead Crane Safety and Inspection …
precast.org1 Overhead Crane Safety and Inspection Requirements Notice It is the responsibility of the Owner/User to install, inspect, test, maintain, and operate a crane or ...
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CONTENT PRECAST CONCRETE PANEL - City Tech OpenLab
openlab.citytech.cuny.eduPRECAST CONCRETE PANEL CURTAIN WALL • AIR BARRIERS AND SEALANTS • ATTACHMENT SYSTEMS • CASE STUDY BUILDINGS • RAIN PENETRATION AND MOISTURE CONTROL • SYSTEM JOINTS AND CONNECTIONS • SYSTEMS COMPARISIONS • THERMAL INSULATION AND R VALUES • The vapor barrier in this assembly is the precast …
PRECAST CONCRETE CONSTRUCTION - World Housing
www.world-housing.netFrame Systems Precast frames can be constructed using either linear elements or spatial beam-column subassemblages. Precast beam-column subassemblages have the advantage that the connecting faces between the subassemblages can be placed away from the critical frame regions; however, linear elements are generally preferred because of the
ARCHITECTURAL PRECAST CONCRETE JOINT DETAILS - PCI
www.pci.orgperformance and esthetic appeal of precast concrete wall systems. This report recommends the proper precast concrete joint details and sealants for specific situations. In writing these recommendations, architectural treatment and economy in mold design were considered but are not included, since these are covered in the PCI Manual on Architectural
PRECAST LIFTING AND FIXING SYSTEMS - HALFEN
downloads.halfen.com6 HALFEN PRECAST INSERT SYSTEMS CONCRETE Calculation of Actual Working Loads and arrangement of slings 08705 316300 08705 316304 FAX site a factor of 1.5 is more appropriate. However, care must be taken when transporting suspended precast units over uneven terrain where, in the interests of safety, a crane factor of ≥2 should be used. Total load
Tolerance Manual for Precast and Prestressed Concrete ...
www.kerkstra.comTolerances For Precast and Prestressed Concrete 1.0 Preface To Tolerance Committee Report 1.1 General This document is a working reference for the di mensional control of precast concrete products and construction. It covers both plant-cast or site-cast and precast and precast prestressed concrete.
11-8 DESIGN GUIDELINES OF PRECAST PRESTRESSED GIRDERS
dot.ca.govThe precast manufacturer is responsible for the design of girder handling , shipping, and erection. However, as part of the shop drawing review process , designer must confirm that the girder details conform to original design . Section 11-8 …
PRECAST CONCRETE MANHOLES
precast.orgStandard Specification for Precast Concrete Manhole Sections • ASTM C478 covers the manufacture and purchase requirements of products used for the assembly and construction of circular precast reinforced concrete manholes used in sewer and water works. • The standard is divided into two parts.
PRECAST CONSTRUCTION TECHNOLOGY - BMTPC
bmtpc.orgPrecast concrete facades of various shapes, colours and textures may be moulded and installed. 1.5 Design Considerations and Requirements 1.5.1 Structural Design Approach The overall behavior of a precast structure is dependent on the behavior of the connections which must provide: Resistance to all design forces