CN205296225U - Subway station construction equipment - Google Patents

Abstract

The utility model belongs to the technical field of the building technology and specifically relates to a subway station construction equipment is related to. This subway station construction equipment is applied to the construction of subway station and builds, the subway station include the bottom plate with set up in medium plate above the bottom plate, construction equipment includes formwork support, support post and enhancement arrangement of reinforcement binder, formwork support can fix the setting and be in the bottom plate with between the medium plate, it is a plurality of the support post is the multirow, the multiseriate is fixed sets up the bottom plate with between the medium plate, it is in to strengthen the fixed setting of arrangement of reinforcement binder well intralamellar part, just strengthen the arrangement of reinforcement binder and be line setting the support post perhaps is a setting the support post is corresponding. An object of the utility model is to provide a subway station construction equipment to shorten formwork support's such as support, template life cycle, reduce formwork support's use cost.

Description

Subway station construction device

technical field

The utility model relates to the technical field of construction, in particular to a construction device for a subway station.

Background technique

With the continuous development of my country's underground space engineering construction technology, the scale of subway construction will become larger and the number of floors will also increase. The support and formwork during the construction of the subway middle plate and roof will be a large part of the construction cost.

In the prior art, underground multi-storey subway stations use a multi-layer formwork frame construction method. As shown in Figure 1, it is a three-story subway station. First, construct the base plate 101, then set up the lower middle plate formwork frame 102, pour the lower layer middle plate 103; then build the upper layer middle plate formwork frame 104, and then construct the upper layer middle plate 105; Then set up the lower support 106 of the roof, and pour the roof 107 with concrete. The construction of the entire station structure is completed from the bottom up.

The problem with this method is that in the design drawings, the upper middle plate, the lower middle plate, and the top plate clearly stipulate that the load is not greater than 800kg/m ² . After the construction of the uppermost roof is completed, the formwork support shall be removed layer by layer from top to bottom. This obviously leads to the steel pipe support, formwork, square timber, etc. on the lowest layer needing to remain in a state that cannot be dismantled during the entire construction process, so that materials and equipment cannot be fully utilized, and the construction period is therefore delayed. the cost of.

Utility model content

The purpose of the utility model is to provide a subway station construction device to shorten the service period of formwork supports such as brackets and templates, and reduce the cost of use of formwork supports.

The utility model provides a subway station construction device; the construction device is applied to the construction of a subway station; the subway station includes a base plate and a middle plate arranged on the base plate;

The construction device includes a formwork frame, a supporting column and a reinforcement tie beam; the formwork frame can be fixedly arranged between the bottom plate and the middle plate;

A plurality of the support columns are fixedly arranged in multiple rows and columns between the bottom plate and the middle plate;

The reinforcement tie beams are fixedly arranged inside the middle plate, and the reinforcement reinforcement tie beams correspond to the support columns arranged in rows or the support columns arranged in columns.

Further, the support columns are arranged in rows along the transverse direction of the subway station, and arranged in rows along the longitudinal direction of the subway station;

The row spacing range of the supporting columns is 1/2-1/3 of the transverse span of the middle plate;

The row spacing of the supporting columns ranges from 2m to 4m.

Further, the row spacing of the supporting columns is 1/2 of the transverse span of the middle plate; the row spacing of the supporting columns is 3m.

Further, the subway station includes multiple layers of the middle board arranged sequentially from top to bottom; a plurality of the support columns are fixedly arranged between two adjacent middle boards in multiple rows and columns;

The formwork frame can be fixedly arranged between the uppermost two layers of the middle plates.

Further, the number of the support columns on the upper layer is the same as that of the lower layer and the positions correspond to each other.

Further, the support column is a concrete column.

Further, the concrete column is a cast-in-place concrete column or a prefabricated concrete column.

Further, the cross-sectional shape of the support column is circular.

Further, the cross-sectional shape of the support column is rectangular.

Further, the cross-sectional shape of the support column is a rectangle of 30cm*30cm.

The construction device of the subway station provided by the utility model supports the mid-slab to be poured by arranging multiple rows and columns of supporting columns to reduce the span, and fixedly arranges reinforcement beams in the mid-slab to be poured to increase the load of the mid-slab , by reinforcing the tie beams to correspond to the support columns arranged in rows or columns, after the mid-slab is poured and maintained, the combined force of the temporary support columns, the reinforced tie beams and the mid-slab surface is sufficient to bear the mid-slab The upper load, so the steel pipe scaffolding, formwork, square timber, fasteners and other formwork under the middle plate can be removed, and the formwork can be removed, and the formwork and formwork can be used to build the middle plate or roof of the upper layer; In the traditional construction of subway stations, the formwork remains in a state that cannot be removed during the entire construction process, that is, the formwork between the bottom plate and the middle layer, between adjacent middle layers, and between the middle layer and the roof cannot be removed. After the roof construction is completed, the formwork can only be removed layer by layer from top to bottom; compared with the traditional construction of subway stations, this subway station construction method greatly shortens the service life of the formwork, for example, it can reduce the cost of the formwork by 2 months. The lease period enables the steel pipe scaffolding, formwork, square timber and other formwork to be reused in time, improves the use efficiency of the formwork and reduces the use cost of the formwork.

Description of drawings

In order to more clearly illustrate the specific implementation of the utility model or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the specific implementation or the prior art will be briefly introduced below. Obviously, the following descriptions The accompanying drawings are some implementations of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative work.

Fig. 1 is the structural representation of existing subway station construction device;

Fig. 2 is the schematic cross-sectional view of the subway station construction device provided by the second embodiment of the utility model;

Fig. 3 is the schematic cross-sectional view of the middle layer of the subway station construction device provided by the utility model embodiment two;

Fig. 4 is a schematic longitudinal section of the subway station construction device provided by the second embodiment of the utility model.

Reference signs:

101-base plate; 102-lower middle plate supporting formwork; 103-lower middle plate;

104-upper middle plate support formwork; 105-upper middle plate;

106-top support; 107-top;

1-bottom plate; 2-middle plate; 3-support formwork;

4-Supporting column; 5-Reinforcing reinforcement tie beam; 6-Roof.

detailed description

The technical solutions of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the utility model, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Embodiment one

The present embodiment provides a kind of subway station construction method; The method comprises the following steps:

Step 100, set up a formwork frame on the completed bottom plate to support the formwork of the mid-slab to be poured; the formwork frame includes steel pipe scaffolding, square timber, fasteners and the like.

Step 200, install the formwork of the mid-slab to be poured on the formwork frame to ensure the flatness of the mid-slab formwork; fixedly set multiple rows and columns of support columns to support the mid-slab to be poured, and fix the reinforced reinforcement system in the mid-slab to be poured Beams; the reinforced beams correspond to the supporting columns arranged in rows or arranged in rows; preferably, when the longitudinal span of the subway station is greater than the transverse span of the subway station, the reinforced reinforced beams are arranged along the longitudinal direction of the subway station. extend. Wherein, the supporting column can be, for example, a wooden column, a concrete column, etc.; the reinforced tie beam can be, for example, a cast-in-place concrete tie beam, which is located inside the mid-slab to be poured and cast integrally with the mid-slab to be poured. Wherein, the cast-in-place concrete tie beams are concrete tie beams poured on the construction site using the existing method.

Step 300, pouring the middle slab on the formwork of the middle slab, and curing to make the strength of the middle slab reach a certain proportion of the design strength. Preferably, the ratio of the strength of the middle plate to the design strength is 100%, so that the middle plate can bear the load on the upper part of the middle plate together with the supporting columns and reinforced beams, thereby avoiding the cracking of the middle plate.

Step 400: After the strength of the mid-slab reaches a certain design strength, remove the formwork frame under the mid-slab, and retain the supporting columns under the mid-slab, and use the supporting columns, reinforced beams and the mid-slab to jointly bear the force. Load on the upper part of the middle plate; set up the formwork frame again on the middle plate.

Step 500, repeat step 200-step 400, until the design number of layers of the middle plate of the subway station is completed; the formwork of the roof to be poured is installed on the formwork support; the roof is poured on the formwork of the roof; the construction of the overall structure of the subway station is completed .

The construction method of the subway station described in this embodiment is to reduce the span by arranging multiple rows and columns of support columns to support the middle slab to be poured, and to fix the reinforced reinforcement tie beams in the middle slab to be poured to increase the strength of the middle slab. The load is corresponding to the supporting columns arranged in a row or in a row by reinforcing the reinforced tie beams. After the mid-slab is poured and maintained, the combined force of the temporary supporting columns, reinforced reinforced tie beams and the mid-slab surface is sufficient to bear the load of the mid-slab. The load on the upper part of the slab, so the steel pipe scaffolding, formwork, square timber, fasteners and other formwork under the middle slab can be removed, and the formwork can be removed, and the formwork and formwork can be used to build the middle slab or roof of the upper layer ; while the traditional construction of subway stations, the formwork remains in a state that cannot be removed during the entire construction process, that is, the formwork between the bottom plate and the middle layer, between the adjacent middle layers, and between the middle layer and the roof cannot be removed. After the construction of the upper roof is completed, the formwork can only be removed layer by layer from top to bottom; compared with the traditional construction of subway stations, this subway station construction method greatly shortens the service life of the formwork, for example, it can reduce the formwork by 2 months The rental period enables the steel pipe scaffolding, formwork, square timber and other formwork to be reused in time, improves the use efficiency of the formwork and reduces the cost of use of the formwork.

It should be noted that concrete is an existing material, which refers to the general designation of engineering composite materials that use cementitious materials to cement aggregates into a whole; the term concrete usually refers to cement as cementitious material, sand, stone as Aggregate; mixed with water (may contain admixtures and admixtures) in a certain proportion, the cement concrete obtained by mixing is also called ordinary concrete, which is widely used in civil engineering.

In the prior art, concrete includes prefabricated concrete and cast-in-place concrete. Precast concrete is poured elsewhere (such as the manufacturer, etc.) using existing methods rather than at the final construction site. The cast-in-place concrete adopts the existing method to form the concrete poured at the construction site. The cast-in-place concrete column adopts the existing method to form the column formed by the concrete cast on the construction site.

Further, the number of support columns on the upper floor and the support columns on the next floor are the same and their positions correspond to each other. During the construction process, the positions of the support columns on the upper floor correspond to the positions of the support columns on the next floor, so that the weight of the upper middle plate and the formwork frame can be completely transferred to the bottom plate layer by layer through the support columns without Cause damage to the middle plate that has been constructed.

In an optional solution of this embodiment, the supporting columns are arranged in rows along the transverse direction of the subway station, and arranged in rows along the longitudinal direction of the subway station; the number of supporting columns arranged horizontally is smaller than the number of supporting columns arranged vertically.

The row spacing range of supporting columns is 1/2-1/3 of the transverse span of the mid-slab to be poured; the column spacing range of supporting columns is 2m-4m. In order to reduce the supporting span, it is convenient to support the column, the reinforced beam and the surface of the middle plate to bear the load on the upper part of the middle plate.

Preferably, the row spacing of the supporting columns is 1/2 of the transverse span of the mid-slab to be poured; the column spacing of the supporting columns is 3m. This design can not only meet the comprehensive force of supporting columns, reinforced beams and the surface of the mid-slab to bear the upper load of the mid-slab, but also make the number of supporting columns relatively small, which is convenient for construction.

Further, the material of the support column can be wood, concrete, etc., preferably, the support column is a concrete column, so as to facilitate material acquisition and reduce the construction cost of the support column; further, the concrete column is a cast-in-place concrete column or a prefabricated concrete column.

Wherein, the cross-sectional shape of the supporting column is circular or rectangular; preferably, the cross-sectional shape of the supporting column is a rectangle of 30cm*30cm.

In an optional solution of this embodiment, the method further includes the following steps:

Step 600: After the strength of all the middle plates reaches 100% of the design strength, remove the formwork, that is, remove the formwork between the top plate and the uppermost middle plate; after that, remove the supporting columns layer by layer from top to bottom to ensure Passage through the station.

Embodiment two

In order to better implement the subway station construction method of the first embodiment of the utility model, the utility model also provides a subway station construction device for realizing the utility model. The embodiment of the device is further described in detail.

Referring to Fig. 2-shown in Fig. 4, present embodiment provides a kind of subway station construction device; Fig. 2 is the cross-sectional schematic diagram of the subway station construction device that this embodiment provides; Fig. 3 is the subway station construction device that present embodiment provides The schematic cross-section of the middle layer, in order to show the structure more clearly, the middle layer in the figure is not shown with section lines; Fig. 4 is a schematic longitudinal section of the subway station construction device provided by the present embodiment. The subway station shown in Fig. 2 and Fig. 4 includes a top plate, two layers of middle plates and a bottom plate from top to bottom, and the formwork frame is arranged between the upper middle plate and the top plate for building the top plate.

Referring to Figures 2-4, the subway station construction device provided in this embodiment is applied to the construction of a subway station; the subway station includes a base plate 1 and a middle plate 2 disposed on the base plate 1 .

The construction device includes a formwork frame 3, a supporting column 4 and a reinforcement beam 5; the formwork frame 3 can be fixedly arranged between the bottom plate 1 and the middle plate 2; so that the middle plate 2 can be supported by the formwork frame 3 during construction .

A plurality of support columns 4 are fixedly arranged in multiple rows and columns between the bottom plate 1 and the middle plate 2; reinforced reinforcement beams 5 are fixed inside the middle plate 2, and the reinforced reinforcement beams 5 are arranged in rows with the support The uprights 4 or the supporting uprights 4 arranged in a row correspond to each other. In order to support the column 4, the reinforced beam 5, and the surface of the middle plate 2, the comprehensive force bears the load on the upper part of the middle plate 2; it is convenient to remove the steel pipe scaffolding, formwork, square timber, fasteners and other formwork supports 3 located under the middle plate 2 , and the formwork frame 3 and formwork are used to build the middle plate 2 or top plate 6 of the upper layer; to shorten the service period of the formwork frame 3, the formwork frame 3 is reused in time, and the formwork frame 3 is improved. The use efficiency of the formwork frame 3 is reduced, etc.

Preferably, when the longitudinal span of the subway station is larger than the transverse span of the subway station, the reinforced tie beams 5 extend along the longitudinal direction of the subway station. Wherein, the support column 4 can be, for example, a wooden column, a concrete column, etc.;

The subway station construction device described in this embodiment has the advantages of the subway station construction method described in Embodiment 1. The subway station disclosed in Embodiment 1 shortens the service period of the formwork frame, reduces the use cost of the formwork frame, etc. The advantages of the construction method will not be repeated here.

In the optional solution of this embodiment, the supporting columns 4 are arranged in rows along the transverse direction of the subway station, and arranged in rows along the longitudinal direction of the subway station; the number of supporting columns 4 arranged horizontally is smaller than the number of supporting columns 4 arranged vertically.

The row spacing of the supporting columns 4 ranges from 1/2-1/3 of the transverse span of the mid-slab 2 (that is, the mid-slab 2 to be poured); the column spacing of the supporting columns 4 ranges from 2m to 4m. In order to reduce the supporting span, it is convenient to support the column 4, the reinforcement beam 5 and the surface of the middle plate 2 to bear the load on the upper part of the middle plate 2 under comprehensive force.

Preferably, the row spacing of the supporting columns 4 is 1/2 of the transverse span of the middle plate 2; the column spacing of the supporting columns 4 is 3m. This design can not only satisfy the support column 4, the reinforcing bar beam 5 and the plate surface of the middle plate 2 to bear the load on the upper part of the middle plate 2, but also make the number of supporting columns 4 relatively small, which is convenient for construction.

In the optional solution of this embodiment, the subway station includes a multi-layer middle plate 2 arranged sequentially from top to bottom; a plurality of support columns 4 are fixedly arranged between two adjacent middle plates 2 in multiple rows and columns; The formwork 3 can be fixedly arranged between the uppermost two layers of middle plates 2 , and each layer of middle plates 2 is provided with reinforced reinforcement tie beams 5 . In order to support the column 4, the reinforcing bar beam 5 and the surface of the middle plate 2 to bear the load on the upper part of the middle plate 2, the steel pipe scaffolding, formwork, square timber, fasteners and other supporting formwork frames 3 and formwork circulation are used to build the last The middle plate 2 or the top plate 6 of the first floor; after the construction of the overall structure of the subway station is completed, the formwork support 3 between the top plate 6 and the uppermost middle plate 2 is removed first, and the supporting columns 4 are removed layer by layer from top to bottom to ensure that Passage through the station.

Further, the number of support columns 4 on the upper floor and the support columns 4 on the next floor are the same and their positions correspond to each other. During the construction process, the positions of the support columns 4 on the upper floor correspond to the positions of the support columns 4 on the next floor, so that the weight of the upper middle plate 2 and the formwork frame 3 can be completely transferred to the bottom plate layer by layer through the support columns 4 1, and will not cause damage to the completed middle plate 2.

In the optional scheme of this embodiment, the support column 4 is a concrete column, so as to obtain materials and reduce the construction cost of the support column 4; the concrete column is a cast-in-place concrete column or a prefabricated concrete column; wherein, the cross-section of the support column 4 The shape is circular or rectangular; preferably, the cross-sectional shape of the support column 4 is a rectangle of 30cm*30cm.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the embodiments of the present utility model Scope of technical solutions.

Claims (10)

1. a metro station construction device, is characterized in that, this constructing device is applied to the construction of subway station; DescribedSubway station comprises base plate and is arranged at the middle plate above described base plate;

Described constructing device comprises support for shuttering, support post and reinforcement arrangement of reinforcement binder; Described support for shuttering can be fixedly installed on instituteState between base plate and described middle plate;

Multiple described support posts are multirow, multiple row is fixedly installed between described base plate and described middle plate;

Described reinforcement arrangement of reinforcement binder is fixedly installed on described middle intralamellar part, and described reinforcement arrangement of reinforcement binder be row arrange described inSupport post or be row arrange described support post corresponding.

2. metro station construction device according to claim 1, is characterized in that, described support post is along described subwayThe horizontal direction of standing is row setting, is row setting along the longitudinal direction of described subway station;

The 1/2-1/3 of the horizontal span that the line space scope of described support post is described middle plate;

The column pitch scope of described support post is 2m-4m.

3. metro station construction device according to claim 2, is characterized in that, the line space of described support post is instituteState middle plate horizontal span 1/2; The column pitch of described support post is 3m.

4. metro station construction device according to claim 1, is characterized in that, described subway station comprises from top to bottomPlate in described in the multilayer setting gradually; Multiple described support posts are multirow, multiple row and are fixedly installed in adjacent two layers between plate;

Described support for shuttering can be fixedly installed between the two-layer described middle plate of the superiors.

5. metro station construction device according to claim 4, is characterized in that, the described support post of last layer with underThe described support post quantity of one deck is identical and position is corresponding.

6. metro station construction device according to claim 1, is characterized in that, described support post is that concrete is verticalPost.

7. metro station construction device according to claim 6, is characterized in that, described concrete column is cast-in-place coagulationSoil column or precast concrete column.

8. metro station construction device according to claim 1, is characterized in that, the shape of cross section of described support postFor circle.

9. metro station construction device according to claim 1, is characterized in that, the shape of cross section of described support postFor rectangle.

10. metro station construction device according to claim 9, is characterized in that, the cross section shape of described support postShape is the rectangle of 30cm*30cm.