JPH032420A - Bearing construction of column - Google Patents

Abstract

PURPOSE:To make it possible to reinforce simple bearing construction of a pedestal by loosely fitting a rib to be hung down to the foundation from a beam constituted of a suspended column together as a unit into a hole formed in the foundation through cambers. CONSTITUTION:A beam 2 having a rib 9 to be hung is laid on a pedestal of a column 1 and, at the same time, a stand 3 is provided to the base end of the column 1. A recession 4 into which the pedestal is fitted is provided to the foundation 5 so that the stand 3 is capable of sliding up and down and, at the same time, a hole 10 into which the rib 9 is loosely fitted is provided. A hanging frame 6 wrapping the periphery of the column 1 is provided to the upper end edge of the recession 4, and a hanger bolt 7 couples between the hanging frame 6 and the stand 3. In addition, when a level to raise the column 1 is controlled, the cambers 11 are driven into spaces between the hole 10 and the rib 9 after the beam 2 is raised by a jack 8 to raise the column 1.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention counteracts the horizontal force acting on a level-adjustable column whose movement can be adjusted in the vertical direction, and processes the horizontal force at a portion other than the column. Regarding column support structure.

(Prior Art) Conventionally, when building a building on soft ground such as a reclaimed land, piles have been driven to support the foundation.

When using such support piles, it is necessary to consider negative friction, and when the support layer is deep, the proportion of the pile work in the construction cost increases, and for buildings with piles, the surrounding ground subsidence may cause damage to the building. It became necessary to adjust the level of the surrounding ground.

Therefore, when constructing a building on soft ground, an alternative construction method is a foundation construction method (floating) that balances the weight of the building and the weight of soil removed.

This construction method reduces costs because there are no piles, but uneven settlement of the ground tends to cause unevenness in the surrounding ground and buildings.

In such cases, the building's foundation beams and base are made to have sufficient rigidity to counteract ground subsidence, but if the building becomes too large to follow, it becomes impossible to keep up with the subsidence, and it is necessary to correct the subsidence.

Conventionally, there is a method of jacking up the steel column as an adjustment method. This is done by installing a guide shaft (anchor bolt or column) on the foundation in advance to guide the steel column vertically.
In response to uneven settlement, the pillars were jacked up using this as an axis, and mortar was filled underneath. The horizontal force was supported by the guide shaft.

This type of level-adjustable column base support structure does not require filling with mortar, shortening the construction period, and there are also suspended structures that simplify construction.

(Problems to be Solved by the Invention) However, when further simplifying the structural part in which the column base is suspended so that it can be adjusted and moved in the vertical direction, consideration must be given to the horizontal force acting on the column.

The present invention has been made in view of the above circumstances, and its purpose is to provide a column support structure for reinforcing and ensuring a simple column base support structure.

(Means for Solving the Problems) In order to achieve the above object, the column support structure according to the present invention includes a column suspended vertically movably by taking reaction force from the foundation, and a beam constructed in a continuous integral body. It consists of a rib that hangs down from an arbitrary position toward the foundation, a hole in the foundation that loosely fits the rib, and a camber inserted into the gap between the rib and the hole.

(Function) The beam and column are integrated, and when the level of the column changes, the rib moves up and down along the hole in the foundation as the level of the beam changes.

In particular, when raising a column, the camber comes off, but if the camber is driven in when the column is fixed at the planned elevation level, the camber will be firmly fixed to the foundation through the camber, and the column will be firmly fixed to the foundation. The horizontal force acting on the beam is propagated to the foundation by the beam and rib. In other words, horizontal force is resisted by the ribs.

(Embodiments) Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a cross-section of the support structure.

A beam 2 that supports the floor extends across the base of the column 1, and a pedestal 3 is provided at the base end of the column 1, and the pedestal 3 receives the column base so that it can slide up and down. A recess 4 is provided in the foundation 5.

A hanging frame 6 that surrounds the outer periphery of the column 1 is installed at the upper edge of the recess 4, and the hanging frame 6 and the frame 3 are connected and connected by hanging bolts 7.

When adjusting the level to raise column 1, base 5 and beam 2
A jack 8 is installed between the beam 2 and the jack 8, and the beam 2 is jacked up.

Therefore, the column 1 is raised along the inner wall of the recess 4, and then the nut of the hanging bolt 7 is tightened and the jack 8 is removed.

On the other hand, the beam 2 is provided with a rib 9 that hangs down toward the foundation 5 near the column 1, and a hole 10 is bored in a specific part of the foundation 5 located below the rib 9. 1
The rib 9 is loosely fitted into the inside of the hole.

When pillar 1 is leveled up, rib 9 becomes hole l.

When the level of pillar 1 is determined, the camber
11 is driven into the gap between the hole 10 and the rib 9.

The horizontal force acting on the column 1 is applied to the rib 9 via the camber 11.
hits the foundation 5 in the hole 10, so the support is stopped at the foundation 5.

Therefore, at the base of the column 1, strict consideration is not given to ensuring sufficient strength of the joint between the pedestal 3 and the column 1 and of the suspension frame 6 and its fixing means in order to resist the horizontal force.

(Effects) As explained above in detail, the column support structure according to the present invention is constructed by attaching a rib that hangs down toward the foundation from an arbitrary position on a beam that is integrally formed with a suspended column through a hole in the foundation. Since the ribs are loosely fitted through the camber, the horizontal force acting on the level-adjustable column base, which suspends the column so that it can move up and down, can be transmitted from the ribs to the foundation and the support can be stopped.

As a result, safety is ensured that can sufficiently resist horizontal forces acting on the support structure of the column base, which is simplified and whose level can be adjusted.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention. 1... Pillar ３・・・・・・Rack 5...Fundamentals 7... Hanging bolt 9... Rib 11...camber 2...beam ４・・・・・・Concave part 6...hanging frame ８・・・・・・Jyatsuki １０・・・・・・hole

Claims (1)

[Claims] A rib that hangs down toward the foundation from an arbitrary position on a beam that is continuously integrated with a column that is suspended vertically by taking reaction force from the foundation, and a hole that loosely fits into the foundation to receive the rib, A pillar support structure characterized by inserting a camber into the gap between the hole and the hole.