An improved pouring method for structural columns

Abstract

A constructional column improved casting method comprises steps of manufacturing a knife switch and a hopper, in which a discharging port is formed on a wooden template of a constructional column casting surface, notches are processed on two sides of the upper port of the discharging port, a vertical groove mounted on a sealing surface of a concrete casting top and having a groove bottom formed in the middle of the discharging port, and a through hole is formed under the vertical groove, inserting a knife switch arm into the vertical groove, in which a cutter plate is tightly applied to the inner wall surface of the wooden template, and a U-shaped bolt is inserted into two perforations of the cutting arm to fix the knife switch, placing a discharging end of a feeding tank of the hopper on the discharging port of the wooden template, in which an upright surface formed by two triangular reinforced frameworks is tightly applied to the outer wall surface of the wooden template, a top hook is hung on the notches on two sides of the wooden template, and an L-shaped bolt is inserted into a nut and the through hole to fix the hopper, casting concrete to constructional column space of the wooden template via the feeding tank until concrete stops entering, detaching the U-shaped bolt, hammering a knife switch handle from bottom to top until a cutting plate turns 90-degree, and getting the L-shaped bolt down and detaching the hopper. The constructional column improved casting method is safe, convenient and economical, and great casting quality can be achieved.

Description

technical field [0001] The invention belongs to the technical field of construction engineering construction column pouring. Background technique [0002] In building construction, the pouring of structural column concrete often has problems such as insufficient vibration, poor appearance and size of the top seal, and difficulty in pouring. Some irregular practices are common in construction. For example, in the opening of the formwork on the pouring surface of the structural column, workers use a scoop to pour concrete to the bottom of the opening, and finally mix dry concrete and apply it to the top of the column by hand. There are many defects in this method as follows: ① workers pour more concrete during the pouring project, resulting in waste of materials, and civilized construction cannot be guaranteed; ② the strength of the concrete at the top of the column cannot be guaranteed; ② workers are time-consuming and laborious; ③ in use When laying the top of the column by...

AI Technical Summary

Problems solved by technology

There are many defects in this method as follows: ① workers pour more concrete during the pouring project, resulting in waste of materials, and civilized construction cannot be guaranteed; ② the strength of the concrete at the top of the column cannot be guaranteed; ② workers are time-consuming and laborious; ③ in use When laying the top of the column by hand, the size and shape of the applied can not meet the requirements, which affects the quality of appearance; ④ Some workers try to save trouble, and even put broken bricks, broken concrete blocks and other sundries into the column head, which seriously affects the quality of the structural column; ⑤ Mixing The dry concrete plug is not tight, which affects the strength of the concrete

In view of the lack of manual hand application, some construction units have also taken some improvement measures, such as spending a pouring chute when supporting the wooden formwork. This method not only increases the labor intensity of the carpenter, but also the wooden shuttle chute is easy to damage, and it is also inconvenient for floors. After transporting and removing the formwork, the concrete workers have to remove the bulge on the top of the column, which increases the labor intensity and wastes materials

There are also some construction units that adopt the new pumping reverse method, but the initial investment is large, the requirements for woodworking formwork reinforcement are high, and the requirements for concrete mixing are high, and the machine is heavy, so it is inconvenient to move on the floor

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