A special formwork for frustum-shaped column head and its construction method
A truncated, formwork technology, applied in formwork/formwork/work frame, on-site preparation of building components, construction, etc., can solve problems such as the problem of concrete solid quality, achieve good physical appearance and quality, and reduce splicing joints. , create a simple effect
Active Publication Date: 2017-01-04
中国建筑土木建设有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to provide a special formwork for the frustum-shaped column head and its construction method, to solve the technical problem of the formwork assembly at the column head of the cast-in-place column and the variable diameter; and to solve the problem of the quality of the concrete entity at the node position
Method used
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[0034] Examples see figure 1 As shown, the present invention is applicable to the construction of cast-in-place concrete cylinders, especially the formwork support at the truncated column head or column variable-diameter position with a radial inclined-plane variable diameter. The production is simple, the cost is low, and there is a certain degree of turnover. After the concrete is formed, the quality of the physical appearance is good. In the formwork of the round table section, the glass fiber reinforced plastic material is specially used as the pouring panel, which can minimize the joints and improve the quality of the entity under the premise of ensuring the rigidity. The upper and lower panels are square and the cut corners are octagonal, which is not only relatively easy to process, but also has smoother corners, which has less impact on the operator.
[0035] This special formwork for the conical column head is composed of three sections of formwork spliced together...
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The invention relates to a special template for a cone-shaped chapiter and a construction method thereof. The special template for the cone-shaped chapiter is divided into three sections, namely an enwrapped column template which is engaged with a concrete cylinder poured on the lower layer, a circular platform section template for treating a radial inclined plane part to be poured, and a cylinder section template for treating a diameter-changeable cylinder part to be poured from top to bottom in sequence; each section of the template is machined into two semicircular semi-finished products and then the semicircular semi-finished products are assembled and fixed in the field. The construction sequence is that the enwrapped column template is constructed firstly, then the circular platform section template is supported on the assembled enwrapped column template, and finally, the cylinder section template is assembled on the uppermost side. The special template has a simple structure; the construction speed can be accelerated and the cost is low; the special template has certain turnover property; the entity appearance quality of formed concrete is good. The circular platform section template particularly adopts a glass fiber reinforced plastic material as a pouring panel, so that the splicing seams are reduced as much as possible under the condition of guaranteeing the rigidity and the entity quality is improved.
Description
technical field [0001] The invention is suitable for the construction of cast-in-place concrete columns, and relates to a formwork for a frustum-shaped column head and a construction method thereof. Background technique [0002] In the construction of cast-in-place frame structures, more and more concrete columns are used to meet the requirements of architectural modeling. In this type of cast-in-place column, the diameter of the column head of the beam-column joint is often reduced by using the radial slope of the table-shaped diameter reduction method. The formwork here is generally assembled by small boards of bamboo and wood formwork. This construction method has high requirements on the quality of workers and quality management. If you are not careful, the size of the assembly will be wrong, the reinforcement will not be strong, and there will be too many seams. Insufficient rigidity of the formwork and other reasons cause quality problems such as misalignment, mold ex...
Claims
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IPC IPC(8): E04G13/02E04G21/00
Inventor 温井泉刘晓飞孙会功杨智慧闫晓东
Owner 中国建筑土木建设有限公司