Small-space cylindrical formwork and construction method thereof
A small space, formwork technology, applied to formwork/formwork/work frame, preparation of building components on site, construction, etc., can solve the problems of huge labor cost, waste of formwork resources, and inability to construct, and achieve hoisting and detachment The effect of simple model, reasonable design and simple operation
Active Publication Date: 2014-09-10
GUANGDONG HLDG TECH
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Problems solved by technology
The characteristic of this structure is that the inner tank is small in size and runs through the whole building, so it is very difficult to remove the formwork, or even impossible to construct, such as figure 1 The structure of the refuse chute 100 shown
For such structures, the formwork is usually not removed after the pouring is completed, or it is filled with styrofoam or reserved foam, and is manually removed later. The former causes a lot of waste of formwork resources, while the latter consumes huge labor costs and the construction quality is still difficult to guarantee. Even affect the later use
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[0026] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.
[0027] refer to Figure 2 to Figure 7 , the embodiment of the present invention provides a small space cylindrical formwork, the present embodiment takes a cylindrical garbage chute with a diameter of 450mm as an example, including three arc formworks 10, the arc formwork 10 is an iron formwork, and the iron formwork is opposite to the circular, Arc-shaped and other special-shaped structures have natural processing advantages and are easy to remove the formwork. The thickness of the arc-shaped formwork 10 is 4mm. Three arc-shaped formworks 10 are distributed along the circumference of the garbage chute. Then, three arc formworks 10 surround a cylindrical space (in this embodiment, the space of a cylindrical garbage chute); preferably the three arc formworks 10 have the same size and are adjacent to each other when forming a cylindric...
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The invention provides a small-space cylindrical formwork. The small-space cylindrical formwork comprises three arc formwork bodies, every two adjacent arc formwork bodies are in mutual lap joint, and a cylindrical space is formed by the three arc formwork bodies in an enclosure mode. The small-space cylindrical formwork further comprises a central shaft, a first expanding and contracting device and a second expanding and contracting device, wherein the first expanding and contracting device is located at the upper portion of the central shaft, and the second expanding and contracting device is located at the lower portion of the central shaft. A formwork body supporting frame is arranged on the inner wall of each arc formwork body. The first expanding and contracting device is hinged to the upper portions of the formwork body supporting frames, and the second expanding and contracting device is hinged to the lower portions of the formwork body supporting frames. The invention further provides a construction method of the small-space cylindrical formwork. According to the small-space cylindrical formwork and the construction method thereof, design is reasonable, operation is simple, and the technical problem that due to the fact that formworks of a small-space refuse chute and the like in building construction are difficult to dismantle, resources are wasted is solved.
Description
technical field [0001] The invention relates to a small-space cylindrical formwork and a construction method thereof. Background technique [0002] In the prior art, hollow structures with closed surroundings are often encountered in building construction, and garbage chutes are the most common. The characteristic of this structure is that the inner tank is small in size and runs through the whole building. It is very difficult to remove the formwork, and it is even impossible to construct, such as figure 1 The construction of the refuse chute 100 is shown. For such structures, the formwork is usually not removed after the pouring is completed, or it is filled with styrofoam or reserved foam, and is manually removed later. The former causes a lot of waste of formwork resources, while the latter consumes huge labor costs and the construction quality is still difficult to guarantee. Even affect the later use. Contents of the invention [0003] The technical problem to be ...
Claims
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Inventor 游超鸣席仕刚王爱志程敏
Owner GUANGDONG HLDG TECH