CN111088858B - Prefabricated gable capable of being recycled and connection structure thereof - Google Patents

Prefabricated gable capable of being recycled and connection structure thereof Download PDF

Info

Publication number
CN111088858B
CN111088858B CN201811237099.1A CN201811237099A CN111088858B CN 111088858 B CN111088858 B CN 111088858B CN 201811237099 A CN201811237099 A CN 201811237099A CN 111088858 B CN111088858 B CN 111088858B
Authority
CN
China
Prior art keywords
gable
hidden
layer
prefabricated
concrete
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811237099.1A
Other languages
Chinese (zh)
Other versions
CN111088858A (en
Inventor
侯和涛
陈骁
王承磊
陈城
曲冰
赵星楠
牟银林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong University
Original Assignee
Shandong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong University filed Critical Shandong University
Priority to CN201811237099.1A priority Critical patent/CN111088858B/en
Publication of CN111088858A publication Critical patent/CN111088858A/en
Application granted granted Critical
Publication of CN111088858B publication Critical patent/CN111088858B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses a recyclable prefabricated gable, which comprises a heat preservation layer, concrete layers and auxiliary stress structures, wherein the concrete layers are arranged on two sides of the heat preservation layer, and the concrete layers are attached to the heat preservation layer to strengthen the physical properties of the heat preservation layer; an auxiliary stress structure is arranged in the concrete layer to improve the physical properties of the concrete layer; the auxiliary stress structure comprises an anchor reinforcing steel bar arranged in the concrete layer and a hidden column pre-buried in the concrete layer; the heat preservation layer with the concrete layer forms gable main part, and gable main part top is equipped with the hidden girder. The invention has simple structure, and the gable wall is convenient to be connected with the floor slab when in use, and the hidden beam is directly in butt joint with the floor slab, so the invention has low requirement on positioning capability and is convenient for quick construction.

Description

Prefabricated gable capable of being recycled and connection structure thereof
Technical Field
The invention belongs to the field of house construction, and particularly relates to a recyclable prefabricated gable and a connecting structure thereof.
Background
In the field construction process, color steel plates are generally used for constructing the movable plank house, and the method for constructing the plank house generally comprises foundation grooving, foundation treatment, foundation pouring and steel frame installation: board house bearing skeleton column installation, beam installation, roof truss installation, color steel plate installation, first floor terrace construction, door and window, glass installation: according to the reserved door and window opening size, door and window processing and gluing sealing interior decoration: suspended ceilings, installed electrical, etc. The construction steps are complicated, and because the project is frequently removed, the color steel plate house has the advantages of less recycling times in the practical process, poor heat insulation and heat preservation performance, poor air permeability and low comfort level, and building rubbish is easy to generate without treatment after the color steel plate house is used up.
In the prior art, chinese invention CN203247705U discloses a multi-deck modular prefabricated panel house that is simply installed using modular house components and attempts to increase the cycle life. The inner sides of the upper oblique edges of each gable module are respectively connected with more than two C connecting pieces at intervals, the outer sides of the roof modules with the edges are respectively connected with more than two D connecting pieces at intervals, and each B connecting piece is correspondingly connected with each D connecting piece through bolts. The problem which cannot be solved is that the positioning is still required to be relatively accurate due to the arrangement of a plurality of connecting sheets and connecting pieces during the installation, and a certain accurate positioning capability is still required to be realized in operation.
In view of the above problems, it is currently needed to provide a prefabricated gable and a connection structure thereof that can be recycled.
Disclosure of Invention
Aiming at the problems existing in the prior art, the application provides a recyclable prefabricated gable and a connecting structure thereof, which uses concrete to carry out auxiliary reinforcement on an insulation board and improve an internal supporting structure of a wall body, and the application is composed of the following schemes:
the utility model provides a prefabricated gable of circulated use, includes heat preservation, concrete layer and supplementary atress structure, and the heat preservation both sides are concrete layer, and concrete layer adheres to the heat preservation in order to strengthen the physical properties of heat preservation.
An auxiliary stress structure is arranged in the concrete layer to improve the physical properties of the concrete layer.
Further, the heat insulation layer is a heat insulation board, and can be an XPS heat insulation board, a polyurethane heat insulation board or a heat insulation board made of other materials commonly used in the field.
Further, the auxiliary stress structure comprises an anchor reinforcing steel bar arranged in the concrete layer and a hidden column pre-buried in the concrete layer,
Further, the heat preservation layer and the concrete layer form a gable main body, and a hidden beam is arranged above the gable main body.
Furthermore, the hidden beam is a steel beam and is provided with a plurality of mounting holes so as to be connected with the auxiliary stress structure; the hidden beam body is embedded into the gable body, and the upper flange of the hidden beam is exposed out of the gable body.
Further, the lower flange of the hidden beam is connected with an anchor steel bar to enhance the connection stability of the hidden beam and the gable main body.
Further, the hidden column is a steel column, and the top surface of the hidden column is connected with the lower flange of the hidden beam.
Further, the hidden columns and the anchor bars are all provided with a plurality of.
Further, both the hidden beams and the hidden columns are PEC structures, i.e. are filled with concrete within the envelope profile of the steel member (e.g. H-section steel) in the form of an open section.
The application also provides a connecting structure of the prefabricated gable which can be recycled, comprising a plurality of prefabricated gable and a plurality of floorslab, wherein the floorslab is arranged on the upper flange of the hidden beam of the prefabricated gable and is fixedly connected with the inner side of the prefabricated gable on the floorslab through the L-shaped piece.
In the using process, the operation steps of the invention are as follows:
1) After the foundation is laid, hoisting a prefabricated gable as a gable of a first layer, and connecting and fixing the gable hidden beam with an installed outer longitudinal wall hidden column by bolts;
2) Paving a layer of floor slabs on a layer of gable and an inner partition steel beam;
3) Hoisting a prefabricated gable serving as a two-layer gable in place, and connecting and fixing the two-layer gable hidden column with a first-layer gable hidden beam by bolts;
4) Connecting and fixing the floor slab with the two layers of gable walls and the inner partition wall by using an L-shaped connecting piece;
5) And filling sealant in the joints of the wallboard and the floor slab, and filling materials in the connection parts of the hidden beams and the hidden columns.
The invention has the advantages that:
1. the concrete is adopted as an auxiliary material for improving the physical properties of the wallboard, the processing process is simple, the formed prefabricated gable has simple structure and stable and reliable performance, and the gable combining the concrete with different properties has corresponding characteristics based on the common technology of construction sites and prefabricated factories, so that the gable has the capability of adapting to various environments.
2. The gable is convenient to connect with the floor, and because the hidden beam is adopted to be directly in butt joint with the floor, the requirements on positioning capability are low, and the rapid construction is convenient.
Drawings
Figure 1 is a schematic view of a prefabricated gable in example 1,
Figure 2 is a schematic view of the prefabricated gable connecting structure in embodiment 1,
Fig. 3 is a schematic view of a prefabricated gable connecting structure in embodiment 1.
In the figure, 1, end plates, 2, anchoring steel bars, 3, heat insulation plates, 4, hidden beams, 5, hidden columns, 6, L-shaped pieces, 7, floor slabs, 8, two layers of gable walls, 9, filling materials, 10, one layer of gable walls, 11 and bolts.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the orientation words in the following embodiments are described with reference to the drawings.
Example 1
The utility model provides a prefabricated gable of circulated use, includes heat preservation, concrete layer and supplementary atress structure, and the heat preservation both sides are concrete layer, and concrete layer adheres to the heat preservation in order to strengthen the physical properties of heat preservation.
An auxiliary stress structure is arranged in the concrete layer to improve the physical properties of the concrete layer.
The heat preservation layer is a heat preservation board 3, and can be an XPS heat preservation board 3, a polyurethane heat preservation board 3 or a heat preservation board 3 made of other materials commonly used in the field.
The auxiliary stress structure comprises an anchor steel bar 2 arranged in a concrete layer and a hidden column 5 pre-buried in the concrete layer,
The heat preservation layer with the concrete layer forms gable main part, and gable main part top is equipped with dark roof beam 4.
The hidden beam 4 is a steel beam, and the hidden beam 4 is provided with a plurality of mounting holes so as to be connected with an auxiliary stress structure; the main body of the hidden beam 4 is embedded into the gable main body, and the upper flange of the hidden beam 4 is exposed out of the gable main body.
The lower flange of the hidden beam 4 is connected with the anchor steel bars 2 to enhance the connection stability of the hidden beam 4 and the gable body.
The hidden column 5 is a steel column, and the top surface of the hidden column 5 is connected with the lower flange of the hidden beam 4.
The hidden posts 5 and the anchoring steel bars 2 are provided with a plurality of hidden posts.
In this example, a complete embodiment is provided as follows:
As shown in fig. 1, a recyclable prefabricated gable comprises a heat preservation layer, concrete layers and auxiliary stress structures, wherein the concrete layers are arranged on two sides of the heat preservation layer, the auxiliary stress structures are arranged in the concrete layers to improve the physical properties of the concrete layers, and the heat preservation layer is a heat preservation plate 3; the auxiliary stress structure comprises an anchor steel bar 2 arranged in a concrete layer and a hidden column 5 pre-buried in the concrete layer, wherein the heat insulation layer and the concrete layer form a gable main body, and a hidden beam 4 is arranged above the gable main body.
The hidden beams 4 are steel beams, mounting holes are reserved at the joints of the hidden beams 4 and the outer longitudinal wall hidden columns 5, the joints of the floor slabs 7 and the joints of the gable hidden columns 5, the end parts of the hidden beams 4 are connected with the outer longitudinal wall hidden columns 5 through end plates 1, the hidden beams 4 are connected with the upper hidden columns 5 through bolts 11, and hanging points are arranged on the hidden beams 4 and used for hanging; the main body of the hidden beam 4 is embedded into the gable main body, and the upper flange of the hidden beam 4 is exposed out of the gable main body.
The lower flange of the hidden beam 4 is welded to be connected with the anchor steel bars 2, so that the connection stability of the hidden beam 4 and the gable main body is enhanced.
The hidden column 5 is a steel column, and the top surface of the hidden column 5 is welded with the lower flange of the hidden beam 4.
The hidden posts 5 and the anchor bars 2 are provided with a plurality of reinforcing bars to strengthen the fixing effect.
Example 2
As shown in fig. 2 and 3, the present application further provides a connection structure of a prefabricated gable which can be recycled, comprising a plurality of prefabricated gable and a plurality of floor slabs 7 as described in embodiment 1, and an outer longitudinal wall, wherein the floor slabs 7 are placed on the upper flange of the hidden beam 4 of the prefabricated gable and are fixedly connected with the inner side of the prefabricated gable thereon through L-shaped members 6.
In the use process of the embodiment, the operation steps are as follows:
1) After the foundation is laid, hoisting a prefabricated gable as a gable of a first layer, and connecting and fixing the gable hidden beam 4 and the installed outer longitudinal wall hidden column 5 by bolts 11; in the process, the concrete layer of the prefabricated gable wall is ensured to be completely solidified;
2) Paving a layer of floor slabs 7 on a layer of gable 10 and an inner partition steel beam; the floor slab 7 is a conventional member and is easier to be positioned in the laying process;
3) Hoisting a prefabricated gable serving as a two-layer gable 8 into position, and connecting and fixing a hidden column 5 of the two-layer gable 8 with a hidden beam 4 of a first-layer gable 10 by using bolts 11; in the process, the first gable 10 and the second gable 8 are contacted, and as the positioning between the first gable 10 and the second gable 8 is carried out through the hidden beams 4 and the hidden columns 5, the two degrees of freedom are limited by only 2 degrees of freedom, so that the working efficiency can be increased;
4) Connecting and fixing the floor slab 7 with the two layers of gable walls 8 and the inner partition wall by using an L-shaped connecting piece; in the process, the floor slab 7 is connected with the first gable 10 and the second gable 8 simultaneously;
5) And filling sealant in the joints of the wallboard and the floor slab 7, and filling the joint parts of the hidden beams 4 and the hidden columns 5 with filling materials 9.
From the above embodiments, the present invention is advantageous in that:
1. the concrete is adopted as an auxiliary material for improving the physical properties of the wallboard, the processing process is simple, the formed prefabricated gable has simple structure and stable and reliable performance, and the gable combining the concrete with different properties has corresponding characteristics based on the common technology of construction sites and prefabricated factories, so that the gable has the capability of adapting to various environments.
2. The gable wall is convenient to connect with the floor slab 7, and the hidden beam 4 is directly in butt joint with the floor slab 7, so that the requirements on positioning capability are low, and quick construction is convenient.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (8)

1. The utility model provides a connecting structure of prefabricated gable which can be recycled, which comprises a plurality of prefabricated gable which can be recycled and a plurality of floorslab, and is characterized in that,
The recyclable prefabricated gable comprises an insulation layer, concrete layers and auxiliary stress structures, wherein the concrete layers are arranged on two sides of the insulation layer, and the concrete layers are attached to the insulation layer so as to enhance the physical properties of the insulation layer;
an auxiliary stress structure is arranged in the concrete layer to improve the physical properties of the concrete layer;
The auxiliary stress structure comprises an anchor reinforcing steel bar arranged in the concrete layer and a hidden column pre-buried in the concrete layer;
The heat preservation layer and the concrete layer form a gable main body, and a hidden beam is arranged above the gable main body;
The floor slab is placed on the top flange of the hidden beam of the prefabricated gable and is fixedly connected with the inner side of the prefabricated gable on the floor slab through an L-shaped piece;
The hidden beam is a steel beam, the connecting part of the hidden beam and the hidden column of the outer longitudinal wall, the connecting part of the floor slab and the connecting part of the hidden column of the gable are reserved with mounting holes, the end part of the hidden beam is connected with the hidden column of the outer longitudinal wall through an end plate, the hidden beam is connected with the hidden column of the upper layer through bolts, and the top surface of the hidden column is connected with the lower flange of the hidden beam.
2. The connection structure of a prefabricated gable for recycling according to claim 1, wherein the heat-insulating layer is a heat-insulating plate.
3. A recyclable prefabricated gable connection structure as described in claim 1, wherein the hidden beam is provided with a plurality of mounting holes to facilitate connection with the auxiliary stress structure.
4. The connection structure of a prefabricated gable for recycling according to claim 1, wherein the hidden beam body is embedded in the gable body, and the upper flange of the hidden beam is exposed to the gable body.
5. The connection structure of a prefabricated gable for recycling according to claim 1, wherein the lower flange of the hidden beam is connected with an anchor bar to enhance the connection stability of the hidden beam with the gable body.
6. The connection structure of a prefabricated gable for recycling according to claim 1, wherein the hidden posts are steel posts.
7. The connection structure of a prefabricated gable for recycling according to claim 1, wherein the hidden posts and the anchor bars are provided in plurality.
8. The method for implementing a recyclable prefabricated gable connection structure as set forth in claim 1, comprising the steps of:
1) After the foundation is laid, hoisting a prefabricated gable as a gable of a first layer, and connecting and fixing the gable hidden beam with an installed outer longitudinal wall hidden column by bolts;
2) Paving a layer of floor slabs on a layer of gable and an inner partition steel beam;
3) Hoisting a prefabricated gable serving as a two-layer gable in place, and connecting and fixing the two-layer gable hidden column with a first-layer gable hidden beam by bolts;
4) Connecting and fixing the floor slab with the two layers of gable walls and the inner partition wall by using an L-shaped connecting piece;
5) And filling sealant in the joints of the wallboard and the floor slab, and filling materials in the connection parts of the hidden beams and the hidden columns.
CN201811237099.1A 2018-10-23 2018-10-23 Prefabricated gable capable of being recycled and connection structure thereof Active CN111088858B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811237099.1A CN111088858B (en) 2018-10-23 2018-10-23 Prefabricated gable capable of being recycled and connection structure thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811237099.1A CN111088858B (en) 2018-10-23 2018-10-23 Prefabricated gable capable of being recycled and connection structure thereof

Publications (2)

Publication Number Publication Date
CN111088858A CN111088858A (en) 2020-05-01
CN111088858B true CN111088858B (en) 2024-09-13

Family

ID=70392589

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811237099.1A Active CN111088858B (en) 2018-10-23 2018-10-23 Prefabricated gable capable of being recycled and connection structure thereof

Country Status (1)

Country Link
CN (1) CN111088858B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111962546A (en) * 2020-07-25 2020-11-20 上海精典规划建筑设计有限公司 Connecting joint structure for lifting wall and foundation and construction process thereof
CN114182851A (en) * 2021-12-31 2022-03-15 翟贤明 Aerated concrete heat-insulation external wall panel system and construction method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2466264Y (en) * 2000-10-20 2001-12-19 邹光洪 Combined prefabricated component for fabricated structure building
CN103924711A (en) * 2014-05-01 2014-07-16 西安科技大学 Assembled type gridding shearing wall structural system and construction technology of assembled type gridding shearing wall structural system
CN106320601A (en) * 2016-08-22 2017-01-11 沈阳建筑大学 Prefabricated concrete integral thermal-bridge-free plate wall and vertical connecting method thereof
CN209384432U (en) * 2018-10-23 2019-09-13 山东大学 A recyclable prefabricated gable wall and its connection structure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6374552B1 (en) * 2000-04-12 2002-04-23 Alliance Concrete Concepts, Inc. Skirting wall system
CN203594240U (en) * 2013-11-12 2014-05-14 河南奥斯派克科技有限公司 Combined thin-wall steel reinforcement rib unit assembled and integrated residence assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2466264Y (en) * 2000-10-20 2001-12-19 邹光洪 Combined prefabricated component for fabricated structure building
CN103924711A (en) * 2014-05-01 2014-07-16 西安科技大学 Assembled type gridding shearing wall structural system and construction technology of assembled type gridding shearing wall structural system
CN106320601A (en) * 2016-08-22 2017-01-11 沈阳建筑大学 Prefabricated concrete integral thermal-bridge-free plate wall and vertical connecting method thereof
CN209384432U (en) * 2018-10-23 2019-09-13 山东大学 A recyclable prefabricated gable wall and its connection structure

Also Published As

Publication number Publication date
CN111088858A (en) 2020-05-01

Similar Documents

Publication Publication Date Title
US10808396B2 (en) Building based on large-space structure and freestanding external envelope as well as construction method
CN103114663B (en) Assemble type multifunctional outer wall body and production and installation method thereof
CN103821276B (en) A kind of assembled, modular architectural system
CN105714963B (en) Inorganic light composite heat-insulation integrated exterior wall cladding system and installation method thereof
CN105089178B (en) A kind of pre-splicing Standard formula building of prefabricated steel reinforced concrete shear walls
CN111927248B (en) Integrally prefabricated externally hung bay window, connecting node and manufacturing method
CN204826308U (en) Structure assembly type structure is pieced together in advance to prefabricated shaped steel concrete shear force wall
CN102587693A (en) Two-storey modular villa building and construction method thereof
CN207063269U (en) The beam-column node structure of assembled floor
CN211286074U (en) Self-heat-insulation system for prefabricated light high-strength foam concrete filled wallboard outer wall
CN108222270B (en) Assembling construction building method of prefabricated building
CN103266662B (en) The assembled house of light steel composite board
CN103352569A (en) Construction method of integrally-poured architecture building
CN202125104U (en) Residential building system formed by cast-in-place beam columns and prefabricated sandwich concrete wall slabs
CN111927249B (en) Integral prefabricated embedded bay window, connecting node and manufacturing method
CN111088858B (en) Prefabricated gable capable of being recycled and connection structure thereof
CN106988452B (en) A kind of industrialization EPS modular wall panel system matched with assembled steel frame
CN111088846A (en) A recyclable prefabricated house and installation method
CN103362235B (en) Integrally-poured building house with wallboards integrating thermal insulating and templates
CN111305372A (en) Fabricated steel reinforced concrete structure and construction method thereof
CN209384432U (en) A recyclable prefabricated gable wall and its connection structure
CN105275145A (en) Assembly type multifunctional composite wallboard
CN210421563U (en) A Mezzanine Floor Structure Without Supporting Columns
CN210066817U (en) Assembly integral vault is striden no post underground structure greatly
CN100451257C (en) Steel mesh frame concrete composite building and its construction method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant