Method for handling with muck foundation through combination of layered drainage method and interconnected frequency-variable vibrating roller
A technology of drainage method and combination, which is applied in soil protection, infrastructure engineering, construction, etc., to achieve the effect of reducing the cost of external transportation of muck, reducing environmental pollution, and achieving significant economic benefits.
Active Publication Date: 2018-04-27
吴慧明
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Problems solved by technology
[0003] The purpose of the present invention is to provide a method of layered drainage combined with IOT frequency conversion vibrating and rolling to treat the dregs foundation, so as to solve the on-site landfill treatment of construction dregs, and can be used as a bearing foundation, fast drainage, and reduce environmental pollution And technical issues such as reducing the cost of muck transportation
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Embodiment 1
[0050] Example 1, the average thickness of the muck layer in a muck landfill site is 4m, the moisture content is 40%, and the bearing capacity of the foundation is 2t. The specific treatment and construction steps are as follows:
[0051] (1) Clear and level the muck landfill site, and lay plastic grids. Among them, the specification of the plastic grid is 10×10cm, and the tensile strength is 35kN / m 2 , to solve the problem of personnel and mechanical construction entering the site.
[0052] (2) Set up a vertical drainage body. The drainage adopts SPB-B plastic drainage board with a depth of 7m and a square layout of 1.1×1.1m. Install the monitoring system (settlement mark, piezometer), modulation system, and start data collection , record the initial data.
[0053] (3) Lay pond slag with a thickness of 1m, as a cushion layer for gravity load and IOT frequency conversion vibrating roller.
[0054] (4) The initial vibration frequency of the Wulian frequency conversion vibrat...
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Abstract
The invention discloses a method for handling with a muck foundation through combination of a layered drainage method and an interconnected frequency-variable vibrating roller. The method comprises the steps that firstly, the interconnected frequency-variable vibrating roller transmits mechanical waves of certain frequencies to soil of a certain depth range through wave fields with different frequencies and established by a ground mechanical generated vibration source, large-area vibration reinforcing treatment is conducted on a soil layer accordingly, free water in muck is drained in an accelerating mode, and the soil layer is firm and compact; and secondly, a pre-embedded interconnected hole pressure meter transmits monitoring data to a data receiving center of the interconnected frequency-variable vibrating roller in real time, the frequency of the vibrating roller is adjusted automatically through an information receiving and processing system, and a better foundation handling effect is achieved. As for the layered drainage method, aiming at specific soil layers, fast drainage of pore water in a muck layer is accelerated by horizontal cutting layers at different depths according to a high-pressure aerosol drainage consolidation method, tiny particles in the muck are subjected to drainage consolidation, and the effect is higher through combination of the two methods. By means of the method, environmental pollution can be reduced, and abandoned sites can be reused.
Description
technical field [0001] The invention relates to a technology for treating construction waste landfills such as dregs and the like. Background technique [0002] The city is going to be developed and constructed, what to do with the construction waste generated by excavating foundation pits? The solution to this problem is imminent. In the next five years, the cumulative amount of stock and new muck will reach 45 million cubic meters, equivalent to 47 cubic meters of water. The newly generated construction debris will be a staggering figure. However, the vast majority of construction waste is transported to the suburbs or villages by the construction unit without any treatment, and is stacked in the open air or buried, consuming a lot of construction expenses such as land acquisition fees, garbage removal and transportation fees, and at the same time, the removal and stacking process Problems such as dust, dust and sand flying in the air have caused serious environmental po...
Claims
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CPCE02D3/10
Inventor 吴慧明
Owner 吴慧明