9—additional requirements for precast concrete

... mats for concrete reinforcement shall conform to “Specification for Fabricated Deformed Steel Bar Mats for Concrete Reinforcement” (ASTM A 184) Reinforcing bars used in bar mats shall conform ... Specification for Steel Wire, Deformed, for Concrete Reinforcement A 497-97 Standard Specification for Steel Welded Wire Fabric, Deformed, for Concrete Reinforcement A 500-96 Standard Specification for ... profile Deformed reinforcement — Deformed reinforcing bars, bar mats, deformed wire, welded plain wire fabric, and welded deformed wire fabric conforming to 3.5.3 Deformed reinforcement — Deformed...

Ngày tải lên: 03/08/2013, 11:24

... “Architectural Precast Concrete. ” Division Section “Cast-in-Place Concrete for placing connection anchors in concrete and structural topping Division Section Precast Post-Tensioned Concrete for connecting ... indicated for this Project and with a record of successful in-service performance Assumes responsibility for engineering structural precast concrete units to comply with performance requirements ... those performed for installations of structural precast concrete that are similar to those indicated for this Project in material, design, and extent Structural precast products must meet the requirements...

Ngày tải lên: 01/05/2014, 09:50

... definitions Plain concrete — Structural concrete with no reinforcement or with less reinforcement than the minimum amount specified for reinforced concrete Plain concrete — The presence of reinforcement ... “structural concrete is used to refer to all plain or reinforced concrete used for structural purposes This covers the spectrum of structural applications of concrete from nonreinforced concrete to concrete ... Not for Resale, 02/14/2008 10:51:19 MST 318-32 MANUAL OF CONCRETE PRACTICE CODE COMMENTARY Deformed reinforcement — Deformed reinforcing bars, bar mats, deformed wire, and welded wire reinforcement...

Ngày tải lên: 28/05/2014, 18:26

... mats for concrete reinforcement shall conform to “Specification for Fabricated Deformed Steel Bar Mats for Concrete Reinforcement” (ASTM A 184) Reinforcing bars used in bar mats shall conform ... Prestressed Concrete A 496-97a Standard Specification for Steel Wire, Deformed, for Concrete Reinforcement A 497-99 Standard Specification for Steel Welded Wire Fabric, Deformed, for Concrete Reinforcement ... profile Deformed reinforcement — Deformed reinforcing bars, bar mats, deformed wire, welded plain wire fabric, and welded deformed wire fabric conforming to 3.5.3 Deformed reinforcement — Deformed...

Ngày tải lên: 24/10/2014, 15:44

... designation American Concrete Institute 117 Standard Specifications for Tolerances for Concrete Construction and Materials 318/318R Building Code Requirements for Reinforced Concrete and Commentary ... 30 in., for interior walls or 18 in for exterior walls The lower minimum reinforcement requirements and greater permissible spacing of reinforcement in precast wall panels recognize that precast ... together with ACI 318, “Building Code Requirements for Reinforced Concrete, ” the minimum requirements of which may be legally binding Because of the nature of precast concrete, certain recommendations...

Ngày tải lên: 24/10/2014, 17:26

... waterproof membrane coating applied before use 4.7-Reinforcement Reinforcement for precast panels includes prestressing materials, deformed bars, and welded wire fabric Reinforcement also includes those ... in straight lengths but can be bent to form hooks required for anchorage purposes ASTM A 496 presents requirements for deformed wire used as concrete reinforcement 4.7.2 Welded wire fabric - Welded ... and reinforcing steel Facilities for controlled proportioning and mixing of concrete A covered area for manufacturing of molds and forms An area for assembly and fabrication of reinforcement...

Ngày tải lên: 24/10/2014, 17:26

... too much rather than too little information Consider the case of cube testing in a prestressed concrete works where one would need at least the following information: (1) (2) (3) (4) (5) (6) ... spall Retention for further inspection or analysis…… Aggregate maximum size, cement content, W/C or slump or compacting factor… Specification requirements It may be seen that for such an apparently ... main factors in a quality control procedure Aggregates: Grading, moisture content, colour (for visual concrete) , impurities, etc Cement: Manufacturer’s certificate (out house), specific surface,...

Ngày tải lên: 08/08/2014, 10:23

... display auxiliary information provided the meter is in the vacant condition and such information is only displayed for1 0 seconds, or less If the information consists of a list of information, the ... with the applicable requirements If the temperature range varies for different grains or seed, the range shall be specified for each (b) The moisture range for each grain or seed for which the meter ... comply with the applicable requirements; (b) the moisture range for each grain or seed for which the meter is to be used; (c) the temperature range for each grain or seed for which the meter is to...

Ngày tải lên: 12/08/2014, 07:22

... TABLE 20.8 Forward Yields for June 30, 2000, Delivery as of Selected Dates Pricing Date: 4/3/00 2/28/00 4/10/00 4/3/00 5/19/00 2/28/00 to to to Forward Forward 4/3/00 Forward 4/10/00 Forward 5/19/00 ... not be sufficient for many applications An obvious solution is to use a twofactor model for both pricing and hedging Another solution is to use a one-factor model for pricing and, for safety, to ... shifts in forward yields for delivery on the last delivery date of TYM0 (i.e., June 30, 2000) The scenario of +20 basis points is the scenario in which forward yields of all deliverable bonds for June...

Ngày tải lên: 14/08/2014, 05:20

... “Specification for Axle-Steel Deformed and Plain Bars for Concrete Reinforcement” (ASTM A 617) (d) “Specification for Low-Alloy Steel Deformed Bars for Concrete Reinforcement” (ASTM A 706) 3.5.3.2 — Deformed ... mats for concrete reinforcement shall conform to “Specification for Fabricated Deformed Steel Bar Mats for Concrete Reinforcement” (ASTM A 184) Reinforcing bars used in bar mats shall conform ... (a) “Specification for Deformed and Plain Billet-Steel Bars for Concrete Reinforcement” (ASTM A 615) (b) “Specification for Rail-Steel Deformed and Plain Bars for Concrete Reinforcement” including...

Ngày tải lên: 24/10/2014, 15:45

... Specification for Deformed Steel Wire for Concrete Reinforcement A 497-94a Standard Specification for Steel Welded Wire Fabric, Deformed, for Concrete Reinforcement A 500-93 Standard Specification for ... specifications listed in 3.5.3.1 3.5.3.4 Deformed wire for concrete reinforcement shall conform to “Specification for Deformed Steel Wire for Concrete Reinforcement” (ASTM A 496), except that wire ... Plain concrete Structural concrete with no reinforcement or with less reinforcement than the minimum amount specified for reinforced concrete Plain reinforcement—Reinforcement that does not conform...

Ngày tải lên: 24/10/2014, 15:45

... services for portions of the work are to be provided by the precaster Such design services should be performed for the precaster by a licensed precast engineer who can be an employee of the precaster ... general performance criteria, including concrete strength requirements for loading, deflection requirements, temperature considerations, and any tolerance or clearance requirements for proper ... structural soundness, or performance of the precastconcrete installation The manufacturer should obtain specific approval for such modifications Full responsibility for the precast- concrete design, including...

Ngày tải lên: 24/10/2014, 22:11

... Reinforced Concrete 9.1.2—ASTM Standards A 82 Standard Specification for Steel Wire, Plain, for Concrete Reinforcement A 185 Standard Specification for Welded Steel Wire Fabric, Pain, for Concrete ... Reinforcement A 615 Standard Specification for Deformed and Plain BilletSteel Bars for Concrete Reinforcement C 33 Standard Specifications for Concrete Aggregates C 144 Standard Specification for ... Tolerances for Concrete Construction and Materials 212.3R Chemical Admixtures for Concrete 214 Recommended Practice for Evaluation of Strength Test Results of Concrete 318 Building Code Requirements for...

Ngày tải lên: 24/10/2014, 22:11

... Footing-to-Column Connection for Reinforced Concrete Frames .23 Precast Column for Reinforced Concrete Frames 24 Cap-Beam Details for Slotted Opening Connection for Reinforced Concrete Frames ... 10 2.1 Precast Concrete Pier Components for Non-Seismic Regions .11 2.2 Precast Concrete Building Components for Seismic Regions 13 2.3 Precast Concrete Pier Components for Seismic Regions ... of a precast column for the reinforced concrete frames Figure 3.4: Proposed Footing-to-Column Connection for Reinforced Concrete Frames 23 tailieuxdcd@gmail.com Figure 3.5: Precast Column for...

Ngày tải lên: 31/10/2016, 21:34

... to concrete , p 472 26.8—Embedments, p 473 26 .9—Additional requirements for precast concrete , p 473 26.10—Additional requirements for prestressed concrete, p 474 26.11—Formwork, p 476 26.12 Concrete ... that conform to ASTM C33M concrete, plain—structural concrete with no reinforcement or with less than the minimum amount of reinforcement specified for reinforced concrete concrete, precast structural ... acceptable reinforcement, bonded prestressed—pretensioned reinforcement or prestressed reinforcement in a bonded tendon reinforcement, deformed—Deformed reinforcement is reinforcement, deformed—deformed...

Ngày tải lên: 11/12/2016, 16:45

... business formula used in this industry There are criteria used to define a supermarket: the minimum size requirements, the characteristics and extent of self-service, and the stock requirements ... consumers look to for purchasing advice? Does this differ by good or service category? How can the retailer appeal to opinion leaders? Social performance - Are customers high or low performers? How ... two week (table 4.1) Here respondents not counted for shopping for everyday fresh food Once per two week was the most frequent trip which counted for more than one-quarter of the sample The shopping...

Ngày tải lên: 13/04/2013, 10:30