Construction method of outdoor water works engineering

A construction method and technology for water supply engineering, applied in water conservancy projects, water supply main pipelines, infrastructure engineering and other directions, can solve the problems of inability to meet the requirements of drinking water quality, unsanitary cast iron water pipes, short service life, etc., and it is not easy to lose. , accurate marking, accurate construction effect

Inactive Publication Date: 2018-01-16
广东景源建设工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The use and installation of water supply pipes is particularly important in water supply projects, but traditional cast iron water pipes are unsanitary, not pressure-resistant, not corrosion-resistant, heavy, easy to scale, and have a short service life. Although many anti-cor...

Method used

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  • Construction method of outdoor water works engineering
  • Construction method of outdoor water works engineering

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] The construction method of outdoor water supply works includes the following construction steps:

[0059] 1. Preparation before construction

[0060] 2. Measurement and setting-out

[0061] Before starting construction, organize a skilled and capable surveying team to bury and re-measure the baseline level points, construction guide points and curve elements provided by the design, and establish a plane survey control network. The accuracy must meet the construction survey specifications and design requirements; Coordinate points, benchmark points, and curve element points along the entire line of control points should be checked frequently and protected during the construction process.

[0062] 2.1 Retesting of control points

[0063] After the intersection between the owner and the supervisor, take the plane control point and elevation control point data within the construction range from it, find the position of the control point on the site, and perform repeated r...

Embodiment 2

[0134] The difference between Example 2 and Example 1 in the construction method of the outdoor water supply project is that in S4, cement self-leveling is laid on the surface of the pipeline foundation after the pipeline foundation is tamped, and the water supply pipeline is laid after the cement self-leveling is dried and solidified.

[0135] Cement self-leveling is a high-tech green product with high technological content and complicated technical links. The self-leveling cement applied in the present invention flows automatically after spreading into the groove, and automatically finds low-lying areas on the ground and fills them up. Finally, the whole ground flows into a mirror-like smoothness and then stops, and quickly dries and solidifies. The resulting ground will form a smooth, flat, seamless new base. It is more convenient to lay the water supply pipe after the groove is leveled, especially at the connection of adjacent water supply pipes. It is flat, wear-resistan...

Embodiment 3

[0137] The construction method of the outdoor water supply project, the difference between embodiment 3 and embodiment 1 is that after the water supply pipe is installed in S5, an arc-shaped steel plate is placed on the water supply pipe. The curved steel plate completely wraps the water supply pipe, and both sides extend into the ground.

[0138] The arc-shaped steel plate has relatively high strength and has a good protective effect on the water supply pipe. Especially when backfilling the trench, the impact of sand and stone on the water supply pipe is transformed into the arc-shaped steel plate, and the water supply pipe is not easily damaged. During the construction process, there is no need to be as careful as before, which is conducive to improving construction efficiency.

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Abstract

The invention relates to the field of building construction, in particular to a construction method of outdoor water works engineering. The technical scheme comprises the steps of S1, preparation before construction; S2, measurement and line releasing, S3, excavation of water pipe trenches, S4, foundation construction on pipes, S5, installation of the water pipes, and S6, backfilling the trenches.In step S2, control lines are released in the centerline position of the pipes, excavation levels are guided to a wall side of a roadside house and marked. In step S3, firstly, the specific situationof each trench section is detected; secondly, excavation is conducted through mechanical engineering, then excavation and flattening are conducted through manual work; thirdly, inspecting and accepting are carried out. In step S4, firstly, foundation pits are drained, drainage ditches are formed in the circumference and in the middle of the foundation pits, water collecting wells are arranged onthe outer side, gravels are laid on the pit bottoms as a filtration layer, and water in the foundation ditches is pumped to the drainage ditches on the upper part; secondly, piping foundation is laidon soil foundation; thirdly, the piping foundation is tamped and the surface is flattened. In step S5, firstly, the outer pipe walls of the water pipes are cleaned; secondly, coating adhesive and coarse sand are applied to the outer pipe walls of the water pipes; thirdly, pure mortar is applied; fourthly, water stopping rings are installed.

Description

technical field [0001] The invention relates to the field of building construction, more specifically, it relates to an outdoor water supply engineering construction method. Background technique [0002] In the process of promoting urban modernization in an all-round way in my country, the scale of cities is getting larger and larger, and urban construction projects are also increasing. Among them, the construction of water supply projects is a very important project. Water is the source of life and has higher requirements for safety; and People can't live without water for a day, so high-quality water supply engineering construction is required to minimize later maintenance. [0003] The use and installation of water supply pipes is particularly important in water supply projects, but traditional cast iron water pipes are unsanitary, not pressure-resistant, not corrosion-resistant, heavy, easy to scale, and have a short service life. Although many anti-corrosion pipes are ad...

Claims

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Application Information

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IPC IPC(8): E03B7/00E02D29/045
Inventor 林淑华马文康郑楠凡许思杭郑少杰郑妙如
Owner 广东景源建设工程有限公司
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