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us7137800b1 prestressed concrete casting apparatus and

US7137800B1 - Prestressed concrete casting apparatus

US7137800B1 - Prestressed concrete casting apparatus and method - Google Patents A prestressed concrete casting apparatus includes a prestressing element

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Prestressed Concrete Casting Apparatus and Method

A prestressed concrete casting apparatus includes a prestressing element (e.g., wire cable or rod) pretensioning fixture of simple easy to use construction, and great strength/rigidity for withstanding considerable pretensioning forces. Advantageously, a clamshell-type mold form may be used together with the pretensioning fixture, in such a ...

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us7137800b1 prestressed concrete casting apparatus and

2021-11-12  US7137800B1 - Prestressed concrete casting apparatus A prestressed concrete casting apparatus includes a prestressing element (e.g., wire cable or rod) pretensioning fixture of ... Prestressed concrete casting apparatus and method US7137800B1 (en) 2001-03-21: 2006-11-21: Power Poles, Inc. Prestressed concrete casting apparatus and method ...

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PRESTRESSED CONCRETE CASTING APPARATUS AND

2001-3-21  PRESTRESSEDCONCRETECASTINGAPPARATUSANDMETHOD TECHNICALFIELD ^

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[특허]Prestressed concrete casting apparatus and method

The invention claimed is: 1. A wire pretensioning fixture for use in casting elongated prestressed concrete structures, said fixture comprising a pair of elongated I-beams joined together in side-by-side relation to form a mold form-supporting base, and a pair of ...

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US10280620B2 - Method and apparatus for casting

A method and an apparatus for casting prefabricated prestressed concrete products with a substantially horizontal slipform casting process, in which method reinforcement strands are stressed in a bundle on a casting bed before the slipform casting is started, wherein the expected behavior of at least one measurable variable affecting the strand stressing process during the

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US10280620B2 - Method and apparatus for casting

US10280620B2 US14/842,890 US201514842890A US10280620B2 US 10280620 B2 US10280620 B2 US 10280620B2 US 201514842890 A US201514842890 A US 201514842890A US 10280620 B2 US10280620 B2 US 10280620B2 Authority US United States Prior art keywords stressing reinforcement strands measurable variable bundle during Prior art date 2014-09-02

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US3583047A - Apparatus for manufacturing prestressed

US3583047A US3583047DA US3583047A US 3583047 A US3583047 A US 3583047A US 3583047D A US3583047D A US 3583047DA US 3583047 A US3583047 A US 3583047A Authority US United States Prior art keywords formwork anchor plate piles distance pieces prestressed concrete Prior art date 1969-08-20 Legal status (The legal status is an

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Power poles incPatents PatentGuru

2006-11-21  Biblio data only below the dashed line. Full text data coming soon.

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Prestressed concrete casting apparatus and method

2019-1-6  A prestressed concrete casting apparatus includes a prestressing element (e.g., wire cable or rod) pretensioning fixture of simple easy to use construction, and great strength/rigidity for withstanding considerable pretensioning forces. Advantageously, a clamshell-type mold form may be used together with the pretensioning fixture, in such a manner that the mold form is

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Prestressed concrete casting apparatus and method

What is claimed is: 1. A method of casting elongated prestressed concrete products, comprising: positioning a clamshell-type mold form, including two hinged mold halves, onto a first prestressing element pretensioning fixture; closing the mold halves together over a set of prestressing elements pretensioned in the pretensioning fixture, to form a mold cavity with said prestressing

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Prestressed concrete casting apparatus and method

Complete Patenting Database and Patent Data Analytics Services.

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[특허]Prestressed concrete casting apparatus and method

A prestressed concrete casting apparatus includes a prestressing element (e.g., wire cable or rod) pretensioning fixture of simple easy to use construction, and great strength/rigidity for withstanding considerable pretensioning forces.

get price

PRESTRESSED CONCRETE CASTING APPARATUS AND

2001-3-21  PRESTRESSEDCONCRETECASTINGAPPARATUSANDMETHOD TECHNICALFIELD ^

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METHOD AND APPARATUS FOR CASTING

A method and an apparatus for casting prefabricated prestressed concrete products with a substantially hor izontal slipform casting process, in which method rein forcement strands are stressed in a bundle on a cast ing bed (2) before the slipform casting is started, wherein the expected behavior of at least one meas

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METHOD AND APPARATUS FOR CASTING

A method and an apparatus for casting prefabricated prestressed concrete products with a substantially horizontal slipform casting process, in which method reinforcement strands are stressed in a bundle on a casting bed before the slipform casting is started, wherein the expected behavior of at least one measurable variable affecting the strand stressing process during the

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Prestressed Concrete Art Fence Block Production Line –

Art Fence Production Line, Art Fence Production Line Art Fence Production Line, Prestressed Concrete Art Fence Block Production Line. US $2000-10000 / Set . 1 Set (Min. Order) Jinan Weizhi Machinery Co., Ltd.

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Apparatus for casting concrete products - BFT

2014-10-24  Designsted Extension States: BAME. (57) An apparatus (1) for casting a concrete product in a mold, said apparatus comprising a concrete mix container (2) to be moved above the casting mold, a nozzle (3) attached to the

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US3583047A - Apparatus for manufacturing prestressed

in the manufacture of prestressed concrete poles, piles or the like, particularly of tubular form, adjustable distance pieces are employed between one of the end discs of the formwork and the adjacent anchor plate to maintain steel tendons arranged in the formwork in their stretched state. the use of such distance pieces enables the tendons to be tensioned with particular uniformity

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Prestressed concrete casting apparatus and method

Complete Patenting Database and Patent Data Analytics Services.

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Prestressed concrete - Wikipedia

2022-6-26  Prestressed concrete is a form of concrete used in construction. It is substantially "prestressed" during production, in a manner that strengthens it against tensile forces which will exist when in service.: 3–5 This compression is produced by the tensioning of high-strength "tendons" located within or adjacent to the concrete and is done to improve the performance of

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METHOD AND APPARATUS FOR CASTING

A method and an apparatus for casting prefabricated prestressed concrete products with a substantially hor izontal slipform casting process, in which method rein forcement strands are stressed in a bundle on a cast ing bed (2) before the slipform casting is started, wherein the expected behavior of at least one meas

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Evaluation of Pre-cast Prestressed Concrete System: For

2022-4-25  For slabs: pre-cast prefabricated prestressed concrete has a lower cost with a good method, efficiency, and quality for the condo housing projects. It noted that the application of ribbed pre-cast pre-cast concrete slab had a major impact on condo house projects in time, quality, and quantity of projects. For the girder beams: even if it is ...

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Prestressed Concrete Basics - SlideShare

2017-7-31  1. PRESTRESSED CONCRETE 2. Eugene Freyssinet - Father of Prestressed concrete. 3. • First prestressed concrete bridge - 1948 - under the Assam Rail Link Project. 4. Pamban Road Bridge at Rameshwaram,

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Prestressed Concrete Beams truck mounted wet mix plant

2021-4-1  Products. mobile concrete batching plant with drum mixer, which is self-falling type bipyramid reversed discharging concrete mixing machine. Aggregate batching and transferring is automatic and precise; Concrete mixing quality is observable, drum clockwise rotating for mixing, and anti-clockwise rotating for discharging; The whole plant chassis can be moved easily,

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Self-Compacting Concrete (SCC) for Prestressed Bridge

2016-8-30  concrete (SCC) using locally available aggregate, and the viability of its use in the production of precast prestressed concrete bridge girders for the State of Minnesota. Six precast prestressed bridge girders were cast using four SCC and

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Cracks in Prestressed Concrete Beams with

🕑 Reading time: 1 minuteThere are five types of cracks that may develop in prestressed concrete beams with openings. These crack types and method of controlling those cracks will be explained in this article. Various kinds of

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Comparing pre tensioned and post tensioned

Pre tensioned and post tensioned concrete is not well understood. This video describes the benefits and challenges of both methods and describes how they ar...

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Types of cracking in prestressed concrete

Aug 2016. Jung-Il Suh. Hong-Gun Park. Geon-Ho Hong. Su-Min Kang. Chul-Goo Kim. In this study, concrete composite beams were tested under two-point loading to evaluate horizontal shear strength ...

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