Laminated production method of channel plate

Abstract

The invention discloses a lamination type preparation method for channel plates. The method comprises the following steps that (1) a ground mold is cleaned, and side forms and prestressed anchorage devices are prepared; (2) the upper surface of the ground mold and the inner side surfaces of the side forms are coated with an isolating agent or are overlaid with an isolating membrane; (3) a group ofreinforcing steel bars are stretched and drawn between the prestressed anchorage devices, channel mandrels are arranged on the ground mold and then are positioned on the inner sides of the reinforcing steel bars through a pair of positioning clips, and an air bag is prevented from moving and floating left and right; (4) reinforcing steel bar protective layer cushion blocks or embedded parts are connected to the reinforcing steel bars; (5) flow-state concrete is produced and poured between the side forms, then vibrating and compacting are carried out after part of the flow-state concrete is poured, then a heat preservation layer is poured, and the concrete is poured again after the heat preservation layer is poured so as to manufacture a single-layer channel plate; (6) the formed channel plate is kept standing for 1-3 hours, and surface light receiving is carried out; (7) steam curing or natural curing is carried out on the channel plate; (8) a test piece is retained for detection; (9)a membrame is laid on the formed previous-layer channel plate, a group of reinforcing steel bars are stretched and drawn between the prestressed anchorage devices again, and then the side forms are fixedly connected again, and the step 5 to the step 8 are repeated so as to prepare a next-layer channel plate; and (10) the step 9 is repeated so as to enable the number of the lamination layers of the channel plates to be 3-6. The preparation method has the advantages that the process is simple, the multiple channel plates can be prepared in a short time, and the occupied area in the manufacturing process of the channel plates can be effectively reduced.

Description

Technical field [0001] The invention relates to a preparation method of a groove-shaped plate, in particular to a laminated preparation method of a groove-shaped plate. Background technique [0002] In the production process of trough-shaped slabs in my country, extrusion molding and plastic concrete pouring and tamping technology are the most widely used in China. Dry hard concrete is used to produce concrete products with mechanical liquefaction and compaction schemes (vibration, extrusion, and rolling); pouring methods are usually used Monolithic production method. The main problems and reasons in the past (grooved board) production are as follows: [0003] First, because the plasticity of dry concrete is not as strong as that of fluid concrete, a strong vibration force is required to improve the compactness of the molding, which leads to the problem of low molding efficiency; (this application corresponds to no vibration) [0004] Second, due to insufficient compaction or even u...

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Problems solved by technology

[0003] First, because the plasticity of dry hard concrete is not as strong as that of fluid concrete, strong vibration force is required to improve the compactness of the molding, which leads to the problem of low molding efficiency; (this application corresponds to no vibration)

[0004] Second, due to insufficient compactness or even unevenness, many local strengths of components are weak, so there is a certain risk in the use of components. This risk is generally avoided by increasing the strength level, resulting in an increase in the cost of concrete;

[0005] Third, since the dry-rigid grooved boards are all made of extrusion molding technology, it is normal for the appearance quality to appear honeycomb and pockmarked, and the bottom of the board needs to be repaired twice, which increases the labor intensity and workload;

[0006] Fourth, since the dry and rigid grooved plates are all extruded, a single-layer production method must be adopted, which requires a large number of working surfaces and ground molds to meet the production quantity, and the plant floor area is several times larger than that of this patent;

[0007] Fifth, plastic concrete monolithic production molding process has a large number of molds, cumbersome procedures, and low production efficiency. Generally, a single-layer monolithic production method is used, and a large number of working surfaces and ground molds are also required to meet the production quantity. The plant covers a relatively large area. Big;

[0008] Sixth, due to the use of traditional technology, the production cycle is long and the efficiency is low, which is not conducive to large-scale production

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