Pre-supporting and post-mounting shaping early-dismantling form system and construction method thereof

Abstract

The invention relates to a pre-supporting and post-mounting shaping early-dismantling form system. The pre-supporting and post-mounting shaping early-dismantling form system comprises a supporting system and a form system; the supporting system comprises a supporting frame body, a jacking, a supporting beam and a beam bottom supporting device; the supporting frame body is an integral bracket formed by erecting scaffold steel pipes; the jacking comprises an early-dismantling jacking and a common jacking; the supporting beam comprises a plate bottom supporting beam and a beam bottom supporting beam; the form system comprises a floor form, a rear dismantling base plate, beam side forms and a beam bottom form, the floor form is located on the plate bottom supporting beam; and the beam bottom form is located on the upper side of the beam bottom supporting device, and the beam side forms are located on the two sides of the beam bottom form correspondingly. According to the pre-supporting andpost-mounting shaping early-dismantling form system, the strength and rigidity requirements of the shaping form are greatly reduced, so that the weight, the manufacturing cost and the processing difficulty of the shaping form are reduced, the problem that the shaping form is difficult to adapt to an integral supporting system is effectively solved, and the pre-supporting and post-mounting shapingearly-dismantling form system has wider application range.

Description

technical field [0001] The invention belongs to the technical field of construction engineering, and relates to an early demolition formwork system, in particular to an early demolition formwork system and a construction method thereof. Background technique [0002] Early demolition formwork is a formwork support device and method adopted to realize early demolition of floor formwork. Its working principle is "remove the slab without dismantling the column". As long as the concrete strength reaches 50% of the design strength, the floor formwork and Part of the supporting uprights, while most of the supporting uprights and adjustable supports remain in the supporting state. When the strength of the concrete meets the design requirements, all the supporting uprights are removed. According to the construction sequence, the early demolition formwork can be divided into the method of supporting first and then installing and the method of installing first and then supporting, and ...

AI Technical Summary

Problems solved by technology

The support frame of the overall support system has a large support capacity and stability, and requires little strength and rigidity of the formwork. It adapts to the method of supporting first and then installing; the vertical pole of the single-pole support system has no stability itself, and it requires the formwork to have greater strength and rigidity to ensure the stability of the entire formwork system, which increases the weight, cost, and processing difficulty of the formwork, greatly Reduced the scope of application of shaped formwork and early demolition formwork technology; at present, steel-framed plywood formwork, ribbed plastic formwork, aluminum alloy and other shaped formwork mostly adopt a single-pole support system and the method of installing first and supporting later. Due to the heavy weight and high cost of these formwork , Dimensional adaptability is poor, it is only used in some high-rise buildings with small structural changes

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