Ultra fast buffer forked type concrete pouring string pipe and construction method thereof

A concrete and ultra-fast technology, applied in construction, infrastructure engineering and other directions, can solve the problems of difficulty in reaching the designated pouring position, slow concrete conveying speed, inconvenient construction and dismantling, etc., and achieves large pouring coverage, low cost, The effect of enhancing vertical bearing capacity

Active Publication Date: 2015-02-25
CSCEC CITY CONSTR DEV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides an ultra-fast buffer bifurcated concrete pouring series pipe and its construction method, which are to solve the technical problems of slow concr

Method used

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  • Ultra fast buffer forked type concrete pouring string pipe and construction method thereof
  • Ultra fast buffer forked type concrete pouring string pipe and construction method thereof
  • Ultra fast buffer forked type concrete pouring string pipe and construction method thereof

Examples

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Embodiment Construction

[0048] Examples see figure 1 As shown, this ultra-fast buffer bifurcated concrete pouring string includes a concrete inlet hopper 1, a steel support 2, a straight pipe 4, a buffer bend 5, a rotary bend head 6 and a sub-string.

[0049] see figure 2 As shown, the concrete inlet hopper 1 is placed on the steel bracket 2 on the inner support 9 of the first concrete. The concrete inlet hopper 1 is composed of a steel hopper 1.1 and a grate 1.2 welded in the steel hopper 1.1.

[0050] see figure 1 , Image 6As shown, the straight pipe 4 is passed downwards in segments on the inner support 9 of the first concrete and the holes on the inner support 10 of the concrete below the first pass and fixed. The outer wall of each straight pipe 4 is welded with a reinforcing plate 3, and the straight pipe 4 is fixed at the opening of the plate by the reinforcing plate 3. The positions of the upper and lower straight pipes 4 are staggered and connected by a buffer bend 5; the upper mouth ...

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Abstract

The invention relates to an ultra fast buffer forked type concrete pouring string pipe and a construction method thereof. The concrete pouring string pipe comprises a concrete inlet hopper, a steel bracket, straight pipes, buffer elbows, a rotary elbow and sub-string pipes. The concrete inlet hopper is placed on the steel bracket on a primary concrete inner support. The straight pipes penetrate through holes in the primary concrete inner support and lower concrete inner supports downwards in a segmented mode and are fixed, and each upper straight pipe and the corresponding lower straight pipe are staggered in position and connected through the corresponding buffer elbow. The upper opening of the uppermost straight pipe is connected with the lower opening of the concrete inlet hopper, the lower opening of the lowermost straight pipe is connected with the rotary elbow capable of rotating in the horizontal direction, and the sub-string pipes arranged according to in-situ pouring position requirements are arranged below the rotary elbow. The ultra fast buffer forked type concrete pouring string pipe is capable of being repeatedly used, firm, durable, flexible in layout, simple to install, low in manufacturing cost and suitable for mass concrete pouring construction of deep foundation pit bottom plates used in a concrete inner support protecting mode in soft soil areas.

Description

technical field [0001] The invention relates to a concrete pouring conveying tool suitable for pouring large-volume concrete on a deep foundation pit floor in a concrete internal support mode in soft soil areas, and a construction method of the conveying tool. Background technique [0002] Super high-rise underground structures often have the characteristics of deep foundation pit, large concrete pouring volume and large area. It is more difficult to pour large-volume concrete on the floor of deep foundation pit with concrete internal support in soft soil area. At present, the commonly used concrete pouring methods are three types: automobile pumping pouring, ground pump pumping pouring and self-weight chute pouring. The pouring range of the automobile pump often cannot fully cover the required pouring position, and the pumping speed is generally only 60m 3 / h; the use of ground pumps requires multiple concrete delivery pipes to be arranged at the bottom of the pit in adva...

Claims

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Application Information

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IPC IPC(8): E02D15/02
CPCE02D15/02E02D2250/0023E02D2300/002E02D2300/0029
Inventor 郑吉成刘力锋李小克龚江飞张吉谭乐裴景辉
Owner CSCEC CITY CONSTR DEV
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