Control device of flatness and elevation of cast-in-place concrete ground surface and method for construction

Abstract

The invention relates to a control device of the flatness and the elevation of a cast-in-place concrete ground surface, which comprises a master groove steel mould, a mater groove steel bracket for fixing the master groove steel mould, and a bracket fixing piece, wherein the master groove steel mould is provided with n groups of module elevation adjusting mechanisms; each group of the module elevation adjusting mechanism comprises a support cushion plate and a set of adjusting bolt which consists of a support screw rod, a fastening cushion ring and an adjusting screw cap; and the support cushion plate is put into a gap between the master groove steel mould and the foundation. The method for controlling the flatness and the elevation of the cast-in-place concrete ground surface with the control device comprises the following steps: installing n groups of the module elevation adjusting mechanisms on the master groove steel mould; measuring the elevation of the top of a supporting and baffling concrete mould, and adjusting the elevation of the supporting and baffling concrete mould with the module elevation adjusting mechanisms; and locking the master groove steel mould to guarantee the flatness and the elevation of the cast-in-place concrete ground surface. The control device has simple structure, convenient construction method, and can effectively control the precision of the flatness and the elevation of the cast-in-place concrete ground surface, wherein n equals to 2-150.

Description

Technical field: [0001] The invention relates to an in-situ concrete floor flatness and elevation control device and an in-situ concrete floor flatness and elevation control construction method, in particular to a cast-in-place concrete floor flatness and flatness that is used for large area and high flatness standards An elevation control device and a construction method used for the flatness and elevation control of cast-in-place concrete ground. Background technique: [0002] For cast-in-place concrete ground engineering, for projects with different purposes such as highways, airport runways, airport hangars, large squares, large public building floors, and large factory floors, the technical requirements for ground flatness are different; Generally, according to the national acceptance regulations: the flatness of advanced ground is 3 / 2000mm, and some exceed the requirements of the specification. The flatness requirement standard is much higher than the advanced standard of t...

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Problems solved by technology

[0002] For cast-in-place concrete ground projects, for projects with different purposes such as highways, airport runways, airport hangars, large plazas, large public building grounds, large factory building grounds, etc., the technical requirements for ground flatness are different; Generally, according to the national acceptance specification: the flatness of high-grade ground is 3 / 2000mm, and some of them exceed the requirements of the specification. Due to the lack of flatness of the surface of the channel steel formwork in the conventional formwork construction method and the poor control accuracy of the formwork elevation, if the conventional construction method of only using the channel steel formwork is used for construction, large-area cast-in-place concrete ground projects It is difficult to meet the requirements of advanced flatness, and it is impossible to meet the requirements of ultra-standard flatness

The utility model patent with the announcement number "CN2500747Y" discloses a "cast-in-place concrete floor thickness and level elevation controller", but this "controller" can only meet the construction of small-scale concrete floors that do not require high flatness , which cannot meet the construction of large-area concrete floors with relatively high flatness requirements

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