Bridge prefabricated bayonet type grout stop strip
A prefabricated card and paste-stop technology, used in manufacturing tools, auxiliary molding equipment, ceramic molding machines, etc., can solve the problem of limited contact area between the rubber sealing strip and the template, no good solution to the pedestal bottom plate and the template, and the lack of tight fit and other problems, to achieve the effect of good appearance, good economic and social benefits, and good leak-proof effect.
Pending Publication Date: 2020-07-17
黄盛 +1
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Problems solved by technology
For the formwork and the bottom plate of the pedestal, due to the rigid contact, coupled with the irregular surface between the two, the joint is not tight, the concrete will still leak into the channel steel, and then be blocked by the rubber sealing strip, but the rubber sealing strip and the formwork The contact area is limited. At the same time, a vibrator needs to be used to vibrate the concrete after pouring. During the violent vibration process, the place where the rubber sealing strip is not tightly bonded to the formwork will still leak under the sealing strip, so there is no good solution for the base plate and formwork. The problem of slurry leakage between
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[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but not as a basis for limiting the present invention.
[0020] Embodiments of the invention:
[0021] Prefabricated bayonet type grout stop strips for bridges, such as Figure 1-18 As shown, including the bar body, the bar body is divided into the upper part 2 of the bar body and the lower part 3 of the bar body, and a card slot 1 is provided between the upper part 2 of the bar body and the lower part 3 of the bar body, and the other side bar body of the card slot 1 forms a sealing surface 5. The depth and width of the card slot 1 are designed according to the size requirements of the pedestal bottom plate 8, and the size of the sealing surface 5 is confirmed according to the design requirements.
[0022] The thickness of the extruded middle part 4 between the groove bottom of the clamping groove 1 and the sealing surface 5 is 0.3-4 cm, and the elastic...
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Abstract
The invention discloses a bridge prefabricated bayonet type grout stop strip. The bridge prefabricated bayonet type grout stop strip is characterized by comprising a strip body, wherein the strip bodyis divided into an upper strip body (2) and a lower strip body (3); a clamping groove (1) is arranged between the upper strip body (2) and a lower strip body (3), and a sealing surface (5) is formedon the strip body on the other side of the clamping groove (1). The bridge prefabricated bayonet type grout stop strip is simple in structure, low in cost and convenient to install, the structure sizeis changeable, the structural form can be randomly combined, a problem of grout leakage is fundamentally solved, the inherent quality of a beam slab is improved, the appearance effect of the beam slab is good, the durability of the beam slab is enhanced, and good economic and social benefits are achieved.
Description
technical field [0001] The invention relates to a bridge girder plate sealing structure, in particular to a bridge prefabricated bayonet type grout stop strip. Background technique [0002] During the prefabrication process of beams and slabs, the finished quality of the beams and slabs is not good due to grout leakage. Due to the poor seal between the formwork and the pedestal, there is a problem of grout leakage in the process of pouring concrete, which causes common problems in the quality of concrete at the bottom of the beams and slabs. , such as honeycomb, pitted surface, hollow, rotten root, Saqima, etc. The present invention aims to solve this problem, thereby improving the quality of the slab. The previous scheme usually adopts a plug-type seal, the sealing effect is not good, and the problem of slurry leakage cannot be solved. [0003] The Chinese patent discloses a prefabricated beam slab prevent formwork slurry leakage device, which adopts channel steel at the ...
Claims
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IPC IPC(8): B28B1/087B28B17/00
CPCB28B1/0873B28B17/00
Inventor 黄盛袁江
Owner 黄盛