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Silo slipform construction technique

A construction technique and sliding technology, which is applied in the field preparation of formwork/formwork/work frame, building components, construction, etc., can solve the problems of inability to adapt to the development of sliding form construction technology, the bulky form of the inner operation platform, assembly and disassembly Difficulties and other problems, to achieve the effect of easy control of verticality and torsion, simple construction technology and process, and convenient assembly and disassembly

Inactive Publication Date: 2008-02-20
CHINA CONSTR SEVENTH ENG DIVISION CORP LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional internal operation platform is bulky, wastes materials, and difficult to assemble and disassemble, which directly affects the progress of the project and is increasingly unable to adapt to the development of slipform construction technology, especially in the slipform construction of large-diameter shallow cylindrical silos.

Method used

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  • Silo slipform construction technique
  • Silo slipform construction technique
  • Silo slipform construction technique

Examples

Experimental program
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Embodiment Construction

[0017] As shown in Figure 1, construction preparations need to be carried out before adopting the technique of the present invention, and the shallow circular silo slipform construction with a diameter of 30 meters is an example to illustrate the process of the present invention:

[0018] 1. Template design

[0019] 1.1. Use 1200mm×1200mm stereotyped combined steel formwork. The templates are connected with "U" type clips. The assembled formwork is tightened with "L" type tensioning screw and the circle. The upper and lower tensioning screws should be staggered from each other to Ensure that the formwork is evenly stressed. The single-side taper of the inner and outer formwork is 0.4%.

[0020] 1.2. The encirclement is checked and calculated strictly according to the design requirements. It is made by mechanical bending of ∠75×8 angle steel and manual correction. The arc should be natural and uniform, and the radius of the arc should match the design radius. R 上 内 =14943mm...

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Abstract

The invention relates to a construction technology of a tower silo slip-form, in particular to the slip-form construction technology of the large-diameter shallow tower silo, which comprises the procedures: the binding of a cylindrical wall with a steel bar, the fixing and location of a ring and a hoisting frame, the location of an internal molding board and an external molding board, the erection and location of an internal platform and an external operating platform, the erection of a jack, the location of a hydraulic control platform and the installation of an oilway, the casting of the concrete, the climbing of the molding board and the removal of a slip-form system. The invention is characterized in that the internal operating platform in the procedure of the erection and location of the internal and the external operating platform has a multisectional trusses in structure, and is arranged along the inner periphery. The invention has the advantages that: 1. the construction and flow are relatively simple, the operation is convenient and the technology is advanced as the operating platform has no internal middle ring; 2. the invention is material-saving, has good overall performance and is convenient for assembling or disassembling in particular to the climbing construction of large-diameter shallow tower silo; the verticality and the torsion is easy to be controlled, the quality is easy to be guaranteed and the speed can be expedited; 3. compared with the traditional climbing form operating platform, the internal operating platform can save 50 percent of material cost.

Description

technical field [0001] The invention relates to a construction technology of a sliding form of a cylindrical silo, in particular to a construction technology of a sliding form of a large-diameter shallow cylindrical silo. Background technique [0002] The slipform construction of large-diameter shallow cylindrical silos has become more common in recent years. The traditional inner operating platform used in the sliding form can be roughly divided into two types: one is to use the central ring radiating truss integrally connected to form an operating platform; the other is to use a large-tonnage jack It is connected with steel pipes to form an operation platform. The traditional internal operation platform is bulky, wastes materials, and difficult to assemble and disassemble, which directly affects the progress of the project and is increasingly unable to adapt to the development of slipform construction technology, especially in the slipform construction of large-diameter sh...

Claims

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Application Information

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IPC IPC(8): E04G11/22
Inventor 焦安亮丁建民贾飞宏史少博李智贤王江云
Owner CHINA CONSTR SEVENTH ENG DIVISION CORP LTD
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