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A construction method of assembled formwork for side walls of long-distance underground passages

A construction method and technology of underground passages, applied in artificial islands, water conservancy projects, underwater structures, etc., can solve the problems that formwork materials cannot be recycled for multiple times, affect the quality of concrete structures, and have low degree of construction mechanization, etc., and achieve good promotion Value, high degree of mechanization, and the effect of reducing labor intensity

Active Publication Date: 2017-10-31
SHANGHAI CONSTRUCTION GROUP +1
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a long-distance underground passage side wall assembled formwork construction method, which is used to solve the problems of poor formwork assembly accuracy in traditional formwork construction, affecting the quality of concrete structures, low degree of construction mechanization, high labor intensity on site and inability of formwork materials Recycling multiple times, a big waste of resources

Method used

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  • A construction method of assembled formwork for side walls of long-distance underground passages
  • A construction method of assembled formwork for side walls of long-distance underground passages
  • A construction method of assembled formwork for side walls of long-distance underground passages

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Embodiment 1

[0031] Such as Figure 1 to Figure 3 As shown, a long-distance underground passage side wall assembly type formwork construction method, the construction method includes the following steps:

[0032] S001: Carry out modular design to determine the size of the prefabricated formwork unit 1 according to the overall plane curve of the channel. The size of the prefabricated formwork unit 1 is mainly determined by using straight lines instead of curves to ensure the quality of the joints of the prefabricated formwork and realize the modular design of the prefabricated formwork system, thus overcoming the need for all-steel large formwork to be customized according to the size of the wall , lack of engineering versatility. In order to meet the design requirements, the height of the prefabricated formwork unit 1 at the junction of the bottom plate 8 and the side wall 4 is 10 cm higher than that of the side wall. The width h of the prefabricated formwork unit 1 is 2m, the height is ...

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Abstract

The invention relates to a construction method for a long-distance underground passage side way assembly type formwork and belongs to the technical field of construction of civil engineering. The construction method for the long-distance underground passage side way assembly type formwork is used for solving the problems that during traditional formwork construction, formwork assembling precision is poor, the quality of a concrete structure is influenced, the construction mechanical degree is low, field labor intensity is large, formwork materials cannot be used cyclically and repeatedly, and resource waste is large. The construction method includes the steps that firstly, modular design is conducted according to the overall plane curve condition of a passage, and the size of assembly type formwork units is determined; secondly, a plurality of side wall construction zones are divided; thirdly, flux lines are drawn, measured and paid off in the construction zones; fourthly, side wall steel bar binding and concealment acceptance are conducted on the construction zones; fifthly, the assembly type formwork units are assembled, checked and subjected to quality acceptance; sixthly, side wall concrete pouring and curing of the construction zones is conducted; seventhly, the assembly type formwork units are demounted; and finally, the assembly type formwork is moved to the next construction zone, and the operation is cycled and repeated till construction of a whole long-distance underground passage side wall is completed.

Description

technical field [0001] The invention relates to the technical field of civil engineering construction, in particular to a construction method of an assembled formwork for a side wall of a long-distance underground passage. Background technique [0002] With the rapid development of transportation and municipal facilities, the proportion of cast-in-place reinforced concrete structure projects is increasing day by day, and the labor volume of formwork making and construction accounts for a large proportion of the project cost, and the cost is also high. According to statistics, formwork engineering accounts for about 25% of the total cost of reinforced concrete, 35% of labor, and 50% to 60% of the construction period, which has a great impact on promoting the development of construction industrialization and improving efficiency. Therefore, it is of great economic and social significance to study the use of advanced structural, economical and reasonable formwork engineering te...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D29/045
CPCE02D29/045
Inventor 吴小建徐晨泽王新新李鑫奎
Owner SHANGHAI CONSTRUCTION GROUP
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