DESIGN SOFTWARE AVAILABLE
CAPE | LCA | H2S
| SAMM | SIDD | 3
EB | PIPECAR | PIPE PAC
| BOXCAR
CONCRETE PIPE DESIGN MANUAL CD
American Concrete Pipe Association, 2001.
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This manual is indispensable to engineers who select the type, size, and
strength requirements of pipe.
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This 536-page revised 14th edition contains all the technical data and
design aids needed to assist
engineers when specifying concrete pipe, and it eliminates
the lengthy computations previously required.
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Featured are more than 330 pages of tables and figures covering hydraulics
of sewers and culverts, live loads and
earth loads, supporting strengths and supplemental design
data.
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Detailed example problems of specific applicationsillustrate the proper
use of these time saving design aids.
(Download a Copy)
CAPE: Cost Analysis Pipe Envelope (top
of page)
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Developed to allow specifiers and contractors to compare installed costs
related to the differences in installation requirements for Rigid and Flexible
Pipe.
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Cape allows the specifier to optimize his installation for structural or
economic purposes. This flexibility produces an optimum installation considering
the parameters of trench geometry, pipe bedding material, native soil suitability
for bedding, haunching or backfill, compaction effort required, and compatibility
of bedding material with native soils.
LCA: Least Cost (Life Cycle) Analysis (top
of page)
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Developed to utilize the Life Cycle Analysis procedure to enable evaluation
of different pipe materials bid as alternates for a project. This program
considers project design life, material service life, economic factors
and other factors such as traffic costs.
H2S Hydrogen Sulfide (top of
page)
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Developed to assist specifiers in evaluating the design of new systems
for the potential of H2S gas hazard and related corrosion. H2S gas generation
can be avoided by following established design procedures such as maintaining
self cleaning velocities. H2S gas generation is a public health hazard
as well as a corrosion problem. This hazard can be eliminated by proper
design.
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This H2S program allows a designer to identify potential problems in his
design as well as to analyze existing installations to identify the source
of H2S gas generation and propose possible remedial action.
SAMM Spangler and Marston Method: (top
of page)
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Developed for indirect design of circular, elliptical and arch concrete
pipe. This method incorporated the latest design method recommended by
the American Concrete Pipe Association. New design parameters recognizing
the improved understanding of soil pipe interaction such as the variable
bedding factor and soil arching factor have been added to this procedure.
SIDD Standard Installation Direct Design: (top
of page)
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ASCE Standard ANSI/ASCE 15-93 Standard Practice for Direct Design of Buried
Precast Concrete Pipe Using Standard Installations SIDD.
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This design procedure is now available to accurately evaluate the moments,
thrusts and shear stresses in the pipe wall. This design tool is
used to design pipe specifically for use in specific conditions. Often
high earth load situations.
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The Standard Installations are a significant improvement over the old B,
C and D beddings that do not recognize or provide a number of practical
installation parameters. Standard installations provide better guidance
to installers by specifying zones, soil types and compaction levels required.
Also the practical limitations of providing compaction under the haunches
is recognized. A zone of lightly compacted material under the center third
of the pipe to reduce stress concentration is a new innovation.
3 EB with Standard Installations and Fill Height Tables
(top of page)
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The four Standard Installations are explained in American Concrete Pipe
Association (ACPA) Design Data 40. These installations are for both embankment
and trench conditions. Standard installations will provide enhanced installation
performance as well as add economic advantages. By identifying suitable
native soils for bedding, haunching and backfill, reduced costs of handling
and trucking of waste material can be realized. Also expensive granular
materials can be conserved.
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3 EB is the Indirect Design Method (SAMM) using the new standard Installations.
Fill height tables for standard (indirect design) concrete pipe utilizing
the benefits of the standard installations is provided by the American
Concrete Pipe Association. These tables will simplify improvements
to existing fill height tables commonly used by specifying agencies.
PIPECAR: Pipe Culvert Analysis and Reinforcing Design
(top of page)
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PIPECAR is a FHWA program developed in conjunction with ACPA as a Direct
Method of structural analysis and design standards of concrete pipe sections
with circular and elliptical reinforcements.
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The latest version of PIPECAR allows you to design concrete pipe in accordance
with ASCE, SIDD (Standard Installations Direct Design) and AASHTO design
standards for the buried condition, using the Direct Design method.
PIPE PAC
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Developed to combine (3EB) structural calculations with (CAPE) Cost Analysis
of Pipe Envelope and (LCA) Life Cycle Analysis. Pipe Pac helps you selec
the right material for your buried infrastructure systems. (Download
a Copy)
BOXCAR: Box Culvert Analysis and Reinforcing Design
(top of page)
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BOXCAR is a FHWA program developed in conjunction with ACPA as a Direct
Method of design for the structural analysis and design of precast reinforced
concrete box sections. BOXCAR completes structural analyses for loads due
to box weight, soil weight, internal gravity weight, live loads and user
specified surcharge loads.
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The use of cast-in-place design methods for precast concrete box sections
can result in costly overdesigns.
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