Double-wheel milling of soil-cement mixing wallConstruction safety and environmental protection:
1, safe and civilized construction, temporary use of electricity and construction machinery shall comply with the current industry standard "Environment and Health Standards for Construction Site of Construction Engineering"JGJ 146Technical Specification for Safety of Temporary Electricity Use at Construction SiteJGJ 46, "Construction machinery use safety technical Regulations"JGJ 33The relevant provisions of.
2The floor shall not be moped in the process of core material lifting;There should be no obstacles within the radius of gyration of the lifting machinery. No standing person is allowed under the lifting arm.
3,Double-wheel milling of soil-cement mixing wallSafety protection facilities such as fence, guardrail or cover plate shall be installed on both sides of the construction trench.
4Construction machinery, temporary electricity facilities and other parts shall be set with obvious safety warning marks, and comply with the relevant national standards.
5The size, height and distance between the construction equipment and the surrounding environment shall comply with the following provisions:
(1The size and height of the construction equipment shall meet the site construction conditions, and the minimum distance from the building (structure) shall not be less than1.5m;
(2) The equipment shall meet the safety safety distance of high-voltage cables, communication towers, buildings and construction in rainy days, and shall comply with the current industry standard "Technical Regulations for the Safety of Construction Machinery".JGJ33The provisions of the.
6The following surrounding environmental information should be mastered before the construction of deep mixing cement and soil mixing wall:
(1) the structure, foundation form and current situation of the adjacent buildings (structures);
(2) Adjacent buildings (structures)Requirements for protection of;
(3) The location, type, material, service condition and protection requirements of adjacent pipelines.
7For projects with high environmental protection requirements, the construction parameters should be adjusted through the test wall and its monitoring results. When adjacent to the protected object, the stirring sinking speed and lifting speed should be controlled, and the grouting pressure should not be too large.
8The soil-cement slurry produced in the construction can be collected in the guide ditch or the trench temporarily set on the site, and should be shipped out in time.
9, the surrounding environmental conditions are complex, high protection requirements of the project, the core material should not be recycled.5.6.10In the whole construction process, the surrounding environment and foundation pit supporting system should be monitored.
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