Installation and dismantling method of formwork with small-section long hole

Abstract

The invention provides an installation and dismantling method of a formwork with a small-section long hole. The method is suitable for a hole with a section as small as 100 mm*100 mm and the depth ofmore than 1 m. The method comprises the following steps that a, a column body formwork with a corresponding section shape and depth is manufactured according to the section shape and depth of the hole; b, the column body formwork is cut longitudinally and symmetrically; c, four longitudinal split block bodies are nailed together through nails; d, the spliced column body formwork is fixedly arranged according to common practice; and e, during form removal of the spliced column body formwork, splicing lines of the block bodies reduce the influence of concrete on the jamming of the column body formwork, and a worker takes a crowbar for prying out to dismantle the column body formwork. The installation and dismantling method of the formwork with the small-section long hole has the advantages that a formwork box is split and then spliced, the structure is simple, the manufacturing is convenient, the problems of serious jamming of the formwork by the concrete and difficult dismantling of theformwork in the small-section hole are solved, labors are saved, and installation and dismantling construction of the formwork is convenient and quick.

Description

technical field [0001] The invention relates to a method for setting a hole concrete formwork, in particular to a method for installing and removing a small-section narrow and long hole formwork. Background technique [0002] The narrow and long wooden boxes with small cross-section buried in the construction process of traditional long rectangular reserved holes are often difficult to dismantle, which is time-consuming and labor-intensive. The formwork is often broken during dismantling, and there are situations where the residual formwork is difficult to pry in the depths. Some even add iron wires to the deepest part of the hole to pull out the formwork. This method does not solve the jamming of the formwork. In actual construction, there are still problems in the construction of small-aperture formwork. [0003] Chinese patent CN203174625U disclosed on September 4, 2013 a formwork with small cross-section square reserved holes, in which a plurality of square planks are c...

AI Technical Summary

Problems solved by technology

Although this technical solution uses iron wires to pull out the panel and remove the formwork, it does not solve the problem of the jamming of the formwork, and it is difficult to operate in actual construction

[0004] Therefore, there are above-mentioned inconveniences and problems in the formwork support mode of the known small cross-section deep hole structure.

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