JPH10331272A - Construction method of reinforced concrete columns, core walls, top layer wall beams and slabs - Google Patents

Abstract

(57) [Summary] [PROBLEMS] In a method of constructing a skeleton including a reinforced concrete column, a core wall, a top wall beam and a slab, the work is not affected by the weather as in the past, and the form of the wall beam is formed. Provided is a method for constructing a skeleton including a reinforced concrete column, a core wall, a top wall beam and a slab, which is prepared in advance and reduces the number of steps for newly constructing a wall beam formwork. SOLUTION: In a method of constructing a skeleton including a reinforced concrete pillar, a core wall, a top wall beam and a slab, a vertical member integrating a pillar and a core wall form is formed, and a wall beam is formed on the vertical member. At the same time as installing a formwork and a gantry that serves as a temporary roof, a hydraulic mechanism is built in, a self-elevating structure is built up by taking a reaction force against the previously built skeleton, and a slab is built several layers later. The construction method will be to remove the roof and construct wall beams.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a skeleton structure composed of reinforced concrete columns, core walls, top beams, and slabs.

[0002]

2. Description of the Related Art Conventionally, a core wall is constructed two or three layers ahead of other parts by a slip-type self-elevating frame device or the like.
It has been carried out in the form of slab formwork, rebar and concrete work.

[0003] In the prior art, since there is no temporary roof in the self-elevating formwork apparatus, it is conceivable that the work in the lower layers is affected by weather such as rain or snow, and the construction period is extended.

Further, in the self-elevating formwork apparatus, it is necessary to form a wall beam formwork at the top of the building, which requires a large number of man-hours.

[0005] In addition, a large crane had to be set up in order to lift and transport materials over the entire area of the building.

The present invention has been made in view of such a drawback of the conventional construction method.

[0007]

According to the present invention, there is provided a method for constructing a skeleton comprising a reinforced concrete column, a core wall, an uppermost wall beam, and a slab. At the same time as installing a wall beam formwork and a gantry as a temporary roof on a vertical member, incorporate a hydraulic mechanism, take a reaction force on the previously built skeleton and lift it up by itself, build a slab several layers later, and up to the top layer The main purpose is to build a reinforced concrete column, core wall, top framed beam and slab, which is characterized by removing the temporary roof and constructing the wall beam.

The operation is as follows.

[0009] Since a gantry serving as a temporary roof is provided on the formwork of the wall member of the vertical member, when the lower layer is constructed, it can be constructed without being affected by the weather such as rain and snow. There is no.

[0010] Since the wall member formwork is incorporated in the vertical member, the work is hiccuped and the insects are advanced to the upper layer, and when the uppermost layer is reached, there is no need to separately form the wall beam formwork. Contribute to labor saving.

[0011] By installing a traveling crane on the gantry of the vertical member and using the atrium of the core wall as a lifting path, there is no need to stand a large crane, which is economical.

A rail is provided below the gantry of the vertical member, and a simple small lifting machine can be run to lift the equipment from the ground to the intermediate slab.

In general, in a skeleton made of reinforced concrete columns, core walls, uppermost wall beams and slabs, the strength of the concrete of the vertical member and the horizontal member is usually different. Can be.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a reinforced concrete column, a core wall,
It is a perspective view of the skeleton structure which consists of an uppermost wall beam.

1 is a pillar and 2 is a core wall. Reference numeral 3 denotes a top wall beam.

Reference numeral 4 denotes a slab of each layer. Reference numeral 1 'denotes a support column connecting the slabs.

FIG. 2 is a partial perspective view showing the construction of the present invention.

The formwork of the core wall 2, the formwork of the column 1, and the wall beam 3
The vertical member consisting of the formwork and the gantry 5 mounted on the formwork of the wall beam 3 is lifted by several layers above the preceding horizontal member, and the reinforced concrete in the vertical portion is poured. Then, concrete is laid by arranging reinforcing bars on the unsettled minimum slab 4. At this time, the necessary equipment is lifted by the traveling crane 6 installed on the gantry 5. Although not shown, a rail can be laid on the lower surface of the gantry 5 and a simple hoist such as a hoist can be used.

This method is repeated sequentially, and when the vertical member reaches the top, the gantry 5 is removed and reinforced concrete is poured into the formwork of the wall beam 3. 7 (see FIG. 1) provided at the end of the wall beam 3 is a damper for an earthquake.

[0021]

The present invention has the above-described configuration,
The effect is as follows.

Since the gantry that serves as a temporary roof is provided on the formwork of the wall member of the vertical member, when the lower layer is constructed, it can be constructed without being affected by the weather such as rain and snow. There is no.

[0023] Since the wall beam formwork is incorporated in the vertical member, the work is hiccuped and the insects are advanced to the upper layer. When the uppermost layer is reached, there is no need to separately form the wall beam formwork, and the work is greatly reduced. Contribute to labor saving.

By installing a traveling crane on the gantry of the vertical member and using the atrium of the core wall as a lifting path, it is economical because there is no need to stand a large crane.

A rail can be provided under the gantry of the vertical member, and a simple small lifting machine can be run to lift the equipment from the ground to the intermediate slab.

In general, in a skeleton made of reinforced concrete columns, core walls, uppermost wall beams, and slabs, the strength of the concrete of the vertical member and the horizontal member is usually different. Can be.

[Brief description of the drawings]

FIG. 1 is a perspective view of a skeleton structure including a reinforced concrete column, a core wall, and an uppermost wall beam.

FIG. 2 is a partial perspective view showing a state where the construction is performed by the method of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... pillar 2 ... core wall 3 ... wall beam 4 ... slab 5 ... gantry 6 ... traveling crane 7 ... vibration control device (for example, tamper)

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yukimasa Ogihara 1-2-7 Moto-Akasaka, Minato-ku, Tokyo Within Kashima Construction Co., Ltd. (72) Koichi Sakano 1-2-2 Moto-Akasaka, Minato-ku, Tokyo No. 7 Kashima Construction Co., Ltd. (72) Inventor Tatsuya Abe 1-2-7 Moto-Akasaka, Minato-ku, Tokyo Kashima Construction Co., Ltd. (72) Inventor Fusako Kaneko 1-2-2 Moto-Akasaka, Minato-ku, Tokyo 7 Kashima Construction Co., Ltd.

Claims (1)

[Claims] 1. A method for constructing a skeleton comprising a reinforced concrete column, a core wall, and a top wall beam, comprising: forming a vertical member in which the column and the core wall form are integrated; At the same time as providing the formwork and the gantry that will be the temporary roof, the hydraulic mechanism will be incorporated at the same time. A method of constructing a reinforced concrete column, a core wall, a skeleton consisting of a top wall beam and a slab, characterized by removing a wall and constructing a wall beam.