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Line-to-line ditch plastic model construction method

A technology of plastic model and construction method, which is applied in the direction of waterway system, sewer system, water supply device, etc., can solve the problems of difficult operation of steel formwork construction, increase of workers and machinery, easy damage of bamboo plywood construction, etc., and achieve construction tasks Tough, reliable finished product quality, smooth surface without rough effects

Inactive Publication Date: 2020-02-04
CHINA RAILWAY ERJU 1ST ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a construction method of a plastic model for a line ditch to solve the problems of easy damage of bamboo plywood construction in existing line ditch construction, low reuse rate, high engineering cost, uncontrollable construction quality, and difficult operation of steel formwork construction. Increased number of workers and machinery, slow construction progress, and uncontrollable construction period

Method used

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  • Line-to-line ditch plastic model construction method

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Embodiment

[0036] refer to figure 1 , the present embodiment provides a construction method for a plastic model of a trench between lines, specifically as follows:

[0037] 1) Measure and locate the center of the ditch, measure the center of the ditch according to the coordinate size of the design drawing, mark the measured pile position, sprinkle lime lines according to the size of the design drawing, and carry out excavation. When excavating the bottom of the tank, the mechanical excavation depth is controlled at a height of 10cm from the designed bottom of the tank. Soil, when there is virtual soil in the tank, use a small tamping machine to tamp the bottom of the tank.

[0038] 2) After the excavation of the foundation trench is completed and the bottom of the trench is tamped, the vertical formwork can be erected only after passing the acceptance inspection. Put a ditch floor elevation every 10m, and strictly control the longitudinal slope of drainage. Surveyors need to review se...

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Abstract

The invention discloses a line-to-line ditch plastic model construction method, and belongs to the field of construction engineering construction. The method comprises the following steps that plasticformworks are used for replacing bamboo plywood or steel formworks for line-to-line ditch construction, and construction measures for guaranteeing the linearity of the plastic formworks comprise thefollowing measures that the elevation of the top surface of a ditch is controlled, and the elevation of the top surface of the ditch is controlled by fixing the top elevation of a rectangular tube; when the formworks are installed, square tubes are adopted on the inner side at the position 5-15 cm above a tube upper port to reinforce the plastic formworks on the two sides, the formworks linearly follow the square tubes, and the two side square tubes are supported by adopting a steel bar; and the formworks do not exceed 40 m during installation each time, and during second formwork installation, the formworks and concrete poured during the previous formwork installing have the lap joint length not less than 0.5 m. The problems that during existing line-to-line ditch construction, bamboo plywood is prone to damage during construction, the repeated utilization rate is low, the engineering cost is high, the construction quality is not controllable, steel formwork construction operation isdifficult, operators and machines are added, the construction progress is slow, and the construction period is not controllable are solved.

Description

technical field [0001] The invention relates to a construction method for a plastic model of a line ditch, which belongs to the field of construction engineering. Background technique [0002] Line ditch is a common form in building construction drainage system and is widely used in our country. Failure to take effective measures during the construction of the line ditch often leads to various problems in the line ditch. At present, there are mainly two methods for the construction of inter-line ditch: 1. Bamboo plywood is used for construction. The material is light and convenient for construction. However, the bamboo plywood is seriously damaged and the reuse rate is not high, which greatly increases the project cost and the construction quality is uncontrollable. ; 2. Steel formwork is used for construction, and the quality of the finished product is good, but the formwork is heavy and difficult for personnel to operate. It needs to cooperate with mechanical construction...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03F3/06
CPCE03F3/06
Inventor 王永亮杨天模孙文彬黄静杜守宁席茂刘洋苟吉虎胡晋川陈荣许松
Owner CHINA RAILWAY ERJU 1ST ENG
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