Excavation protection method for earthwork adjacent to high slope of residential area
A technology for residential areas and earthwork, applied in excavation, water conservancy projects, artificial islands, etc., can solve problems such as inconvenient excavation methods, reduce construction noise pollution, eliminate brutal construction, and reduce pollution.
Inactive Publication Date: 2021-06-08
SHANGHAI BAOYE GRP CORP
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Problems solved by technology
[0003] Therefore, there are above-mentioned inconveniences and problems in the known earthwork excavation methods of high side slopes adjacent to residential areas.
Method used
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Embodiment 1
[0029] see now figure 1 , figure 1 It is a schematic diagram of the earth-rock excavation construction process of the high slope adjacent to the residential area according to the embodiment of the present invention.
[0030] The earth-rock excavation protection method of the high side slope adjacent to the residential area of the present invention comprises the following steps:
[0031] Step 1. Blasting operations are strictly prohibited in the vicinity of 10m from the residential area. The method of mechanical excavation is adopted. For relatively hard geological areas, the method of controlled blasting excavation is adopted within the controllable range of 200m from the residential area (drilling hole diameter is greater than 75mm, The depth of the hole is greater than 5m), and after the blasting is completed, ask a third party to detect the blasting vibration velocity to determine the scope of its influence, and set up fences in the construction area to prevent noise fro...
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Provided is an excavation protection method for earthwork adjacent to a high slope of a residential area. The method is characterized by including the steps that a, blasting operation is strictly prohibited near the residential area by 10 m, and a mechanical breaking and chiseling method is adopted; b, excavation is conducted from top to bottom, and steps are arranged step by step; c, an earthwork vehicle enters and exits in order, signals sent by site construction management personnel are used as traffic guidance signals; d, the daytime noise limit value of each excavation machine and the earthwork vehicle is controlled to be 75 decibels; e, a stone intercepting ditch is arranged on a temporary construction shortcut; f, a stone blocking wall is arranged at the outer side of the stone intercepting ditch; g, a protective net high protective wall is arranged outside the stone blocking wall; h, water is regularly sprinkled on a construction site; and i, an excavated slope is protected by adopting a soil dressing spray-seeding slope. The excavation protection method for the earthwork adjacent to the high slope of the residential area has the advantages that the earthwork excavation blasting mode is simple and effective, the working efficiency of breaking and chiseling a hard rock area is high, and the life of residents is prevented from being influenced by slope excavation.
Description
technical field [0001] The invention relates to an earthwork construction protection method, in particular to an earthwork excavation protection method for a high slope adjacent to a residential area. Background technique [0002] At present, the country is vigorously promoting the construction of infrastructure, the expansion and expansion of many urban arteries, the traffic in many secondary cities is seriously inconvenient, the traffic congestion is serious during the rush hour, and some serious traffic accidents occur from time to time. Therefore, a large number of cities across the country are accelerating urbanization. Naturally, urbanization construction cannot avoid the impact on residential areas. Chinese patent CN207987935U discloses a kind of highway soft rock cutting high slope bolt prefabricated groove protection structure, including slope surface bolt system, slope surface prefabricated groove protection structure. The slope anchor system is an anchor installe...
Claims
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IPC IPC(8): E02D17/00E02D17/20E02D19/08E02D29/02
CPCE02D17/00E02D17/20E02D19/08E02D29/02
Inventor 吴元成张元洪苏培培朱长根
Owner SHANGHAI BAOYE GRP CORP