JP2009030259A - Skeleton construction method using steel frame of multistory parking space - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a skeleton construction method which can greatly shorten a construction period by enabling steel-frame work for a multistory parking space and skeleton work for the periphery of the multistory parking space to be concurrently executed by utilizing the steel frame of the multistory parking space so as to support a scaffold. <P>SOLUTION: A skeleton 2 of the building B, into which the multistory parking space A is incorporated, is constructed by repeating: a step of installing a temporary stage C with unit scaffolding, which is composed of a stage 3 capable of being suspended by a crane and prefabricated scaffolding 4 corresponding to a predetermined number of stories of the building and assembled on the stage, on the steel frame 1 of the multistory parking space constructed in the state of facing the skeleton 2 corresponding to the predetermined number of stories of the building; a step of constructing the skeleton 2, corresponding to the predetermined number of stories of the building, in the upper section of the skeleton 2 through the use of the temporary stage with the unit scaffolding; a step of temporarily removing the temporary stage with the unit scaffolding; and a step of adding a steel-frame unit 12 for the steel frame of the multistory parking space, corresponding to the predetermined number of stories of the building, in the upper section of the steel frame 1 of the multistory parking space. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a method for constructing a housing having a hollow shape around a multi-story parking lot when a multi-story parking lot is installed inside a building.

In recent years, the construction of high-rise apartments is increasing in the city center, and in these high-rise apartments, there are many plans to incorporate a tower-type multistory parking lot into the building. In this case, the installation part of the multi-story parking lot is in an atrium. Conventionally, the following method has been adopted in constructing a frame having a hollow shape around this multilevel parking lot.
(1) As shown in FIG. 14, a method for constructing a frame around a colonnade using a frame scaffold 4 stacked at a planned construction position of a multistory parking lot.
(2) A method of constructing a frame around a stairwell using a jumping scaffold or a self-climbing scaffold as described in Patent Documents 1 and 2.

  In the case of the former construction method, not only is a huge amount of the frame scaffold 4 and its assembly labor required, but also the frame scaffold 4 becomes an obstruction if the frame scaffold 4 has not been dismantled and removed. There was a problem that the construction period was long because the steel frame construction of the parking lot could not be started.

  In the latter method, a metal fitting for supporting the jumping scaffold or the self-climbing scaffold on the chassis (for example, a bracket or a wall connecting provided in a state of jumping from the side of the chassis, an anchor embedded in the chassis, or the like). It is necessary to install these parts, and it takes a lot of time to install these metal fittings and rearrange them to the upper floors. In addition, jumping scaffolds and self-climbing scaffolds become obstacles, and steel frames are suspended in the atrium. Since it cannot be done, it is not much different from the former construction method in that the steel frame construction of the multistory parking garage cannot be started without the construction of the housing, and the construction period becomes longer.

Japanese Patent No. 3077559 JP 2006-299559 A

  The present invention has been made in view of the above-mentioned problems, and the object of the present invention is to use a multi-story car park steel frame for supporting a scaffold, and to construct a steel structure for a multi-story car park and the surroundings of the multi-story car park. It is an object of the present invention to provide a building construction method that can be carried out in parallel with the building construction and can greatly reduce the construction period.

  The technical means taken by the present invention to achieve the above object are as follows. That is, the building construction method using the multi-storey parking lot steel frame according to the first aspect of the present invention faces the building for a predetermined level of the building when the building of the building in which the multi-storey parking lot is incorporated is built. A step of installing a temporary stage with a unit scaffolding comprising a stage that can be suspended by a lifting machine and a scaffold for a predetermined level of a building that is assembled on the stage, on a built-up multilevel parking lot steel frame, and the unit scaffolding A step of constructing a frame for a predetermined level of the building on the upper part of the building using a temporary stage with a step, a step of temporarily removing the temporary stage with the unit scaffolding, and a building It is characterized by repeating the process of adding a three-dimensional parking lot steel frame for a predetermined level.

  Invention of Claim 2 is a frame construction method using the multistory parking lot steel frame of Claim 1, Comprising: It is a steel frame unit by which the multistory parking lot steel frame for the predetermined | prescribed hierarchy of a building was assembled first. It is a feature.

  The invention according to claim 3 is a housing construction method using the multistory parking lot steel frame according to claim 1 or 2, and is fitted with the main pillar steel frame of the multistory parking lot steel frame on the lower surface of the temporary stage with unit scaffolding. It is characterized in that a mating portion is formed.

  According to the first aspect of the present invention, the temporary stage with the unit scaffolding is installed by installing the temporary stage with the unit scaffolding on the three-dimensional parking lot steel frame constructed to face the frame for the predetermined level of the building. In this state, a temporary building with a unit scaffolding is used to construct a frame for a predetermined level of the building, and then the temporary stage with the unit scaffolding is supported. In the state where the parking lot is temporarily removed, a three-dimensional parking lot steel frame for a predetermined level of the building is added to the upper part of the three-dimensional parking lot steel frame, and the frame around the multi-level parking lot is constructed by repeating these steps. The steel frame work in the car park and the frame work around the multi-story parking lot can be performed in parallel, and the construction period can be greatly shortened.

  In addition, because the temporary parking stage with unit scaffolding is supported by a multilevel parking lot steel frame, there is no need for metal fittings and its installation / replacement work for supporting the jumping scaffolding and self-climbing scaffolding on the chassis as in the conventional method, As the construction of the multi-story parking garage progresses, the temporary stage with unit scaffolding is diverted to the upper floor, so there is less temporary material.

  In the invention according to claim 1, as the multi-story parking garage, the steel material may be carried into a construction position in a single state or in a state where several steel materials are connected, and may be assembled on site. In the state where the temporary stage with the unit scaffolding is temporarily removed, the three-dimensional parking lot steel frame for a predetermined level of the building is added to the upper part of the preceding three-dimensional parking lot steel frame, so that the predetermined level as in the invention of claim 2 It is possible to suspend the three-dimensional parking lot steel frame as a pre-assembled steel frame unit. According to the second aspect of the present invention, the temporary stage with the unit scaffold is temporarily removed, the pre-assembled steel frame unit is suspended, and the joint is placed on the three-dimensional parking lot steel frame constructed in advance. Therefore, the number of times the steel material is lifted is reduced, and the construction of the multi-story parking garage can be efficiently performed.

  According to invention of Claim 3, since the fitting part fitted with the permanent pillar steel frame of a multistory parking lot steel frame is formed in the lower surface of the temporary stage with a unit scaffold, a multistory parking lot steel frame is formed. The temporary stage with the unit scaffold can be positioned by fitting with the permanent pillar steel frame, and the installation work of the temporary stage with the unit scaffold with respect to the three-dimensional parking lot steel frame can be easily performed.

  FIGS. 1-10 shows an example of the housing construction method using the multistory parking lot steel frame which concerns on this invention, and FIG. 11 shows an example of the building B in which the multistory parking lot A was taken in. FIG. Reference numeral 1 denotes a multistory parking lot steel frame, and 2 denotes a hollow frame surrounding the multistory parking lot, which constitutes an internal earthquake resistant wall. C shown in FIG. 1 is a temporary stage with a unit scaffold.

The temporary stage C with a unit scaffold includes a stage 3 that can be suspended by a lifting machine such as a tower crane, and a scaffold for a predetermined level (for example, two layers) of a building assembled on the stage 3 (in the illustrated example, a framework scaffold 4). )). As shown in FIG. 2, the stage 3 includes a steel plate 5 serving as a work floor on which the frame scaffold 4 is installed, a steel joist 6 and a large wood 7 that support the steel plate 5, and a hanging metal fitting provided on the large wood 7. 8, the wire rope 9 for suspension, the traverser 10, etc. are comprised.

  On the lower surface of the corner portion of the temporary stage C with the unit scaffolding, a fitting portion 11 that fits with the main pillar steel frame 1a of the multilevel parking lot steel frame 1 is provided. Specifically, as shown in FIG. 2, a fitting portion 11 is formed by welding square tube-shaped steel pipes to the lower surfaces of both ends of the H-shaped steel constituting the large wood 7. The lower end opening of the fitting part 11 is formed in a downwardly tapered surface, and when the temporary stage C with unit scaffold is suspended by a lifting machine, the fitting part 11 is guided by the taper surface to guide the fitting part 11 to the three-dimensional parking lot steel frame 1. Consideration is given so that it can be easily fitted to the permanent steel frame 1a. And the temporary stage C with a unit scaffolding is positioned by fitting the fitting part 11 with the permanent pillar steel frame 1a of the multilevel parking lot steel frame 1, and it is comprised so that it may be supported by the multilevel parking lot steel frame 1. ing.

  In addition, in the state which fitted the fitting part 11 to the permanent pillar steel frame 1a of the multistory parking lot steel frame 1, since the weight of the temporary stage C with a unit scaffolding is added to the permanent pillar steel frame 1a of the multistory parking lot steel frame 1, it fits. Although the temporary stage C with a unit scaffolding is kept stable without bolting the joint 11 and the main pillar steel frame 1a, in the illustrated example, as shown in FIGS. The bolt hole a is provided on the side surface of the fitting portion 11, and the long bolt c is inserted over the bolt hole a and the bolt hole b for permanent column steel joint provided in the flange of the permanent column steel frame 1a. The nut d is used to prevent it from coming off.

  It is as follows when the construction procedure of the frame construction method using the multistory parking lot steel frame 1 is demonstrated based on drawing. That is, in constructing the housing 2 around the multistory parking lot A in the building B in which the multistory parking lot A shown in FIG. 11 is taken, first, as shown in FIG. Using the frame scaffold 4 installed in, a building 2 of a predetermined layer (for example, two layers) of the building B is constructed.

  Then, after dismantling and removing the frame scaffold 4, as shown in FIG. 6 (B), the steel frame unit 12 pre-assembled in another place is hung with a lifting machine such as a tower crane in advance. As shown to A), the multistory parking lot steel frame 1 which opposes the frame 2 for the predetermined hierarchy of the building B is constructed | assembled.

  Thereafter, as shown in FIG. 7 (B), the temporary stage C with unit scaffolding is suspended by a lifting machine, and as shown in FIG. The temporary stage C is installed, and the weight of the temporary stage C with the unit scaffold is supported by the multi-story parking lot steel frame 1.

  In this state, using the temporary stage C with the unit scaffold, as shown in FIG. 8 (B), the frame 2 of a predetermined layer (for example, two layers) of the building B is placed on the top of the frame 2. To construct.

  Next, as shown in FIG. 9A, the temporary stage C with the unit scaffold is temporarily removed using a lifting machine such as a tower crane. Then, as shown in FIG. 9 (B), the next steel frame unit 12 pre-assembled in another place in the atrium-like part from which the temporary stage C with the unit scaffold has been removed is lifted by a lifting machine such as a tower crane. The three-dimensional parking lot steel frame 1 for a predetermined level of the building (for example, two layers) is added to the upper part of the multi-level parking lot steel frame 1 that is suspended and preceded. Hereinafter, as shown in FIG. 10, the housing 2 around the multi-story parking lot A in the building B in which the multi-story parking lot A shown in FIG. Can be built.

The upper and lower steel frame units 12 are joined to each other using a column stage (not shown) attached to the uppermost beam steel frame 1b in the lower steel frame unit 12. Bolt connection between the fitting part 11 of the temporary stage C with unit scaffolding and the main pillar steel frame 1a can also be performed using the column stage as a work floor. In this case, as shown in FIG. 1, if an opening 3 a that can be opened and closed is provided in a part of the stage 3, there is no opening for an operator to enter and leave the housing 2 around the multistory parking lot A. In addition, even if the gap between the temporary stage C with unit scaffolding and the housing 2 is narrow, the operator can easily move between the column stage and the temporary stage C with unit scaffolding.

  According to said structure, the temporary stage with a unit scaffolding is installed by installing the temporary stage C with a unit scaffolding on the three-dimensional parking lot steel frame 1 constructed facing the frame 2 for the predetermined hierarchy of the building B. The weight of C is supported by the three-dimensional parking lot steel frame 1, and in this state, the frame 2 for the predetermined level of the building B is constructed on the upper side of the frame 2 using the temporary stage C with the unit scaffolding, In a state where the temporary stage C with the unit scaffolding is temporarily removed, the multilevel parking lot steel frame 1 for a predetermined level of the building is added to the upper part of the multilevel parking lot steel frame 1, and by repeating these steps, the multilevel parking lot A Since the surrounding housing 2 is constructed, the steel frame construction of the multistory parking lot A and the housing construction around the multistory parking lot can be performed in parallel, and the construction period can be greatly shortened.

  Moreover, since the temporary parking stage C with the unit scaffolding is supported by the multilevel parking garment steel frame 1, there is no need for metal fittings and its installation / replacement work for supporting the jumping scaffolding and self-climbing scaffolding on the chassis as in the conventional method, Moreover, since the temporary stage C with the unit scaffolding is diverted to the upper floor as the construction of the multi-story parking frame steel frame 1 progresses, less temporary materials are required.

  In particular, according to the above-described configuration, the steel unit 12 assembled in advance as the multilevel parking lot steel frame 1 is prepared, and the steel frame unit 12 is suspended in a state where the temporary stage C with the unit scaffold is temporarily removed. In addition, since it was added on the multilevel parking lot steel frame 1 constructed in advance, the number of lifting of the steel material is reduced, and the multilevel parking lot steel frame 1 can be efficiently constructed. .

  Although the embodiments have been described above, the present invention is not limited to the above-described embodiments, and various embodiments can be adopted without departing from the gist of the present invention. For example, in the present invention, as shown in FIG. 11, in addition to a building in which the four surroundings of the multistory parking lot A are surrounded by the housing 2, the three surroundings of the multistory parking lot A are shown in FIG. 12. As shown in FIG. 13, in the building surrounded by the housing 2 with the two surroundings of the multistory parking lot A, the three surroundings of the multistory parking lot A or the two housings 2 around the parking lot A It is also applicable when building. In the above embodiment, the frame scaffold 4 is installed on the ground in the process of FIG. 6A. However, a temporary stage C with a unit scaffold can be used instead of the frame scaffold 4. Although not shown, instead of the fitting portion 11 described above, an H-shaped steel having the same cross section as that of the main column steel frame 1a is provided on the lower surface of the corner portion of the temporary stage C with a unit scaffold, and the upper and lower main column steel frames 1a Similarly to the joining, the H-shaped steel and the main pillar steel frame 1a may be connected by bolts via a splice plate.

It is a schematic perspective view which shows embodiment of this invention. It is a side view of the principal part. It is a side view of the principal part. It is a front view of the principal part. It is a cross-sectional top view of the principal part. It is explanatory drawing of a construction procedure. It is explanatory drawing of the construction procedure following FIG. It is explanatory drawing of the construction procedure following FIG. It is explanatory drawing of the construction procedure following FIG. It is explanatory drawing of the construction procedure following FIG. It is a schematic plan view which shows an example of the building in which the multistory parking lot was taken in. It is a schematic plan view which shows the other example of the building in which the multistory parking lot was taken in. It is a schematic plan view which shows the other example of the building in which the multistory parking lot was taken in. It is a schematic side view which shows a prior art example.

Explanation of symbols

A Multi-story parking lot B Building C Temporary stage with unit scaffolding 1 Multi-story parking steel frame a, b Bolt hole c Long bolt d Nut 1a Permanent pillar steel frame 1b Beam steel frame 2 Frame 3 Stage 4 Frame scaffold 5 Steel plate 6 Radish 7 Large 8 Suspension bracket 9 Suspension wire rope 10 Traverser 11 Fitting part 12 Steel frame unit

Claims (3)

  When building a building frame with a multi-story parking lot inside, a stage that can be suspended by a hoist on a multi-story parking frame steel frame that is built facing the building for a given level of the building A step of installing a temporary stage with a unit scaffolding composed of scaffolds for a predetermined level of the building assembled to the building, and a frame for a predetermined level of the building is constructed on the upper part of the frame using the temporary stage with a unit scaffolding A multi-story parking lot comprising repeating a step, a step of temporarily removing the temporary stage with the unit scaffolding, and a step of adding a multi-story parking lot steel frame for a predetermined level of the building to the upper part of the multi-story parking lot steel frame A frame construction method using steel frames.   The building construction method using a multi-story parking lot steel frame according to claim 1, wherein the multi-story parking lot steel frame for a predetermined level of the building is a steel frame unit assembled beforehand.   3. A housing using a multi-story car park steel frame according to claim 1 or 2, wherein a fitting part for mating with a main pillar steel frame of a multi-story car park steel frame is formed on a lower surface of a temporary stage with a unit scaffolding. Construction method.

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