Connecting channel between foundation pits and construction method of connecting channel
A technology for connecting passages and construction methods, which is applied in the direction of basic structure engineering, excavation, roads, etc., to achieve the effect of enhancing structural strength, increasing compressive load, and improving the bearing capacity of the top
Pending Publication Date: 2020-08-11
CHINA CONSTR EIGHT ENG DIV CORP LTD
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the defects of the prior art, provide a connection channel between the foundation pits and its construction method, solve the need in the prior art to cover the exposed soil after the slope construction of all the soil is completed, Problems with risk of landslides and frequent replacement of cover materials
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Embodiment approach
[0052] As a preferred embodiment of the connection channel between the foundation pits of the present invention, it further includes:
[0053] A pair of paired steel channels 31 which are clamped on the ends of the pair of anchor rods 30 protruding from the ramp 20, a pair of the pair of steel channels 31 are fixed to each other and attached to the slope The surface of road 20;
[0054] The pair of pull pads sleeved on the pair of pull anchor rods 30 protruding from the ends of the pair of pull channel steels 31, the pair of pull pads are attached to the pair of pull channel steels 31; and
[0055] The pair of tie nuts screwed to the pair of tie bolts 30 are tightened to the pair of tie pads to anchor the pair of tie bolts 30.
[0056] The double-drawn channel steel 31 includes two opposite wing plates and a web vertically connecting the ends of the two wing plates. The two paired steel channels 31 are clamped to the ends of the paired anchor rod 30 through the web.
[0057] As a pref...
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The invention relates to a connecting channel between foundation pits and a construction method of the connecting channel. The connecting channel structurally comprises a top passage, two ramps, a plurality of opposite-pull anchor rods, second-stage ramps, a plurality of inclined-pull anchor rods, and a plurality of grouting piles; the top passage is formed between two adjacent foundation pits; the ramps are obliquely connected to the two opposite sides of the top passage; the opposite-pull anchor rods horizontally penetrate through the two ramps; the two ends of each opposite-pull anchor rodsprotrude out of the corresponding ramps and are anchored to the surfaces of the corresponding ramps; the second-stage ramps are formed at the bottoms of the corresponding ramps through graded sloping; the inclined-pull anchor rods obliquely penetrate through the corresponding secondary ramps; one end of each inclined-pull anchor rod protrudes out of the corresponding secondary ramp and is anchored on the surface of the secondary ramp; the plurality of grouting piles are vertically and downwards grouted in the top passage to form intervals; and the grouting piles, the opposite-pull anchor rodsand the inclined-pull anchor rods are fixedly connected into a whole through grouting.
Description
Technical field [0001] The invention relates to the field of building construction, in particular to a connecting channel between foundation pits and a construction method thereof. Background technique [0002] During foundation pit construction, a channel is formed between two adjacent foundation pits. The passage generally includes a horizontal top surface for passage and oblique slope surfaces on opposite sides of the top surface. In the prior art, in order to prevent landslides in the passage, the exposed soil on the slope of the passage is generally covered. Covering the slope surface is generally carried out after the construction of all the slope surfaces of the soil mass is completed, and there are also safety problems such as landslides during the construction process. Moreover, the materials used to cover the soil have been exposed to wind and sun, and always need to be replaced, which is costly and has many processes. Summary of the invention [0003] The purpose of ...
Claims
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IPC IPC(8): E01C3/04E01C9/08E02D17/04E02D5/76
CPCE01C3/04E01C9/086E02D5/76E02D17/04E02D2300/002E02D2300/0029E02D2600/30
Inventor 崔凯呼国栋王金宝陈光蒋海波
Owner CHINA CONSTR EIGHT ENG DIV CORP LTD