CN111827708B - Template construction method for repairing and transforming reinforced concrete buildings of historical industrial buildings - Google Patents

Template construction method for repairing and transforming reinforced concrete buildings of historical industrial buildings Download PDF

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Publication number
CN111827708B
CN111827708B CN202010562967.4A CN202010562967A CN111827708B CN 111827708 B CN111827708 B CN 111827708B CN 202010562967 A CN202010562967 A CN 202010562967A CN 111827708 B CN111827708 B CN 111827708B
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China
Prior art keywords
historical
formwork
reserved
beam support
reinforced concrete
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CN202010562967.4A
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Chinese (zh)
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CN111827708A (en
Inventor
吴蕴威
赵健
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China MCC20 Group Corp Ltd
Shanghai Ershiye Construction Co Ltd
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China MCC20 Group Corp Ltd
Shanghai Ershiye Construction Co Ltd
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    • 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
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements
    • E04G23/0237Increasing or restoring the load-bearing capacity of building construction elements of storey floors
    • 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
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • 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
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48Supporting structures for shutterings or frames for floors or roofs
    • 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
    • E04G13/00Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/04Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention provides a template construction method for repairing and transforming a historical industrial building reinforced concrete building, which comprises the steps of firstly pouring a beam support at the bottom of a reserved historical beam, extending the beam support to the outer side of the reserved historical beam, embedding a wood mold cavity box at the bottom of the beam support, fixing the wood mold cavity box through a scaffold, and arranging a horizontal construction joint at the top of the beam support; arranging a reinforcing steel bar frame on a beam support at the side of the reserved history beam, wherein the reinforcing steel bar frame is tightly attached to the reserved history beam; installing a template; constructing floor slab reinforcing steel bars on the upper part of the new beam; integrally pouring the floor slab and the new beam; and (5) removing the templates and the scaffolds. According to the invention, the construction problem of the new beam under the condition of keeping the history reserved beam is successfully solved by arranging the beam support at the bottom of the history reserved beam, pre-burying the wood formwork cavity box at the bottom of the beam support, arranging the reinforcing steel frame on the beam support and then integrally pouring the floor slab and the new beam.

Description

Template construction method for repairing and transforming reinforced concrete buildings of historical industrial buildings
Technical Field
The invention belongs to the field of civil construction, and particularly relates to a template construction method for repairing and transforming a reinforced concrete building of a historical industrial building.
Background
In China, some old reinforced concrete buildings of historical industrial buildings are reserved in some major cities, and many of the buildings are modified by means of the reparation of reinforced concrete workshops built by western people of the historical industrial buildings and have certain cultural relic value. As the reinforced concrete structures built for one hundred years ago cannot meet the structural requirements of new buildings in terms of strength, rigidity and the like, the cultural relic value can be reserved and improved by repairing and modifying the reinforced concrete structures. However, the repairing and modifying project is different from the new project, and particularly, the template project is different greatly. The original concrete structure of the building has historical significance only and has no use value, but if the original reinforced concrete is reserved, the reserved concrete also affects the construction of a new structure. For this reason, a construction method is required to construct and solve the problem that the retention of the historical girder affects the construction of the new girder.
Disclosure of Invention
The invention aims to solve the technical problem of providing a template construction method for repairing and transforming a reinforced concrete building in a historical industrial building, which can solve the problem that the retention of a historical beam influences the construction of a new beam.
The technical scheme adopted by the invention for solving the technical problem is as follows: a template construction method for repairing and reforming a reinforced concrete building of a historical industrial building comprises the following steps:
(1) pouring a beam support at the bottom of the reserved history beam, wherein the beam support extends to the outer side of the reserved history beam, a wood pattern cavity box is pre-embedded at the bottom of the beam support, the wood pattern cavity box is fixed through a scaffold, and a horizontal construction joint is arranged at the top of the beam support;
(2) arranging a reinforcing steel bar frame on a beam support at the side of the reserved history beam, wherein the reinforcing steel bar frame is tightly attached to the reserved history beam;
(3) constructing floor slab reinforcing steel bars on the upper part of the new beam;
(4) and (6) installing the template.
Further, in the step (4), the template is fixed through the split bolts, expansion screws are fixed on the reserved history beams when the template is installed, and the other ends of the expansion screws are connected with the split bolts on the template in a welding mode.
Further, in the step (4), when the template is installed, battens are arranged on the outer side of the template to reinforce the template.
Further, in the step (1), the wood pattern cavity box is a disposable dismantling-free wood pattern cavity box.
Further, in the step (1), when the floor slab is a Z-shaped floor slab, concrete is poured at a corresponding position at the top of the reserved historical beam, and the concrete and the beam support are constructed together.
According to the invention, the construction problem of the new beam under the condition of keeping the history reserved beam is successfully solved by arranging the beam support at the bottom of the history reserved beam, pre-burying the wood formwork cavity box at the bottom of the beam support, arranging the reinforcing steel frame on the beam support and then integrally pouring the floor slab and the new beam.
Drawings
FIG. 1 is a schematic view of the construction of a new beam of the present invention at the bottom of a history-preserving beam;
fig. 2 is a schematic diagram of the construction of the new beam of the present invention on the side and top of the history preserving beam.
1. History reserved beams, 2, beam supports, 3, scaffolds, 4, wood formwork cavity boxes, 5, battens, 6, horizontal construction joints, 7, expansion screws, 8, split bolts, 9, reinforcing steel frames, 10, templates, 11 and floors.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the present embodiment includes the following steps:
(1) pouring a beam support 2 at the bottom of the reserved historical beam 1, wherein the beam support 2 extends to the outer side of the reserved historical beam 1, a wood pattern cavity box 4 is pre-embedded at the bottom of the beam support 2, the wood pattern cavity box 4 is a one-time dismantling-free wood pattern cavity box and is fixed through a scaffold 3, and a horizontal construction joint 6 is arranged at the top of the beam support 2;
(2) arranging a reinforcing steel bar frame 9 on a beam support 2 at the side of the reserved history beam 1, wherein the reinforcing steel bar frame 9 is tightly attached to the reserved history beam 1;
(3) constructing floor slab 11 steel bars on the upper part of the new beam;
(4) installing a template 10, fixing the template 10 through a split bolt 8, fixing an expansion screw 7 on the reserved history beam 1 when installing the template 10, welding the other end of the expansion screw 7 with the split bolt 8 on the template 10, arranging a batten 5 on the outer side of the template 10 to reinforce the template 10 when installing the template 10, and arranging the split bolt 8 on the outer side of the batten 5.
In the step 1, when the floor 11 is a Z-shaped floor, concrete is poured at a corresponding position on the top of the reserved historical beam 1, and the concrete and the beam support 2 are constructed together.
After the template 10 is fixed, the floor 11 and the new beam can be integrally poured, and the template 10 and the scaffold 3 are removed when the concrete is solidified to the strength meeting the requirement, so that the construction of the new beam is completed.

Claims (5)

1. A template construction method for repairing and reforming a reinforced concrete building of a historical industrial building is characterized by comprising the following steps:
(1) pouring a beam support (2) at the bottom of the reserved historical beam (1), wherein the beam support (2) extends to the outer side of the reserved historical beam (1), a wood formwork cavity box (4) is pre-embedded at the bottom of the beam support (2), the wood formwork cavity box (4) is fixed through a scaffold (3), and a horizontal construction joint (6) is arranged at the top of the beam support (2);
(2) arranging a reinforcing steel bar frame (9) on a beam support (2) at the side of the history preserving beam (1), wherein the reinforcing steel bar frame (9) is tightly attached to the history preserving beam (1);
(3) constructing a floor slab (11) steel bar at the upper part of the new beam;
(4) and installing the template (10).
2. The formwork construction method for renovation of a reinforced concrete building in a historical industry according to claim 1, wherein in the step (4), the formwork (10) is fixed by the split bolts (8), the expansion screws (7) are fixed on the reserved historical beams (1) when the formwork (10) is installed, and the other ends of the expansion screws (7) are welded and connected with the split bolts (8) on the formwork (10).
3. The formwork construction method for renovation and reconstruction of a reinforced concrete building in a historical industrial building according to claim 2, wherein in the step (4), when the formwork (10) is installed, the outside of the formwork (10) is provided with the battens (5) to reinforce the formwork (10).
4. The formwork construction method for renovation of a historical industrial building reinforced concrete building as recited in claim 1, wherein in the step (1), the wood pattern cavity box (4) is a one-time dismantling-free wood pattern cavity box.
5. The formwork construction method for renovation of a reinforced concrete building in a historical industrial building according to claim 1, wherein in the step (1), when the floor slab (11) is a Z-shaped floor slab, concrete is poured at a corresponding position on the top of the historical beam (1) and is constructed together with the beam support (2).
CN202010562967.4A 2020-06-19 2020-06-19 Template construction method for repairing and transforming reinforced concrete buildings of historical industrial buildings Active CN111827708B (en)

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CN202010562967.4A CN111827708B (en) 2020-06-19 2020-06-19 Template construction method for repairing and transforming reinforced concrete buildings of historical industrial buildings

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CN202010562967.4A CN111827708B (en) 2020-06-19 2020-06-19 Template construction method for repairing and transforming reinforced concrete buildings of historical industrial buildings

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CN111827708B true CN111827708B (en) 2022-03-04

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2121047C1 (en) * 1997-07-02 1998-10-27 Товарищество с ограниченной ответственностью "КРОМ" Method for repair of roofs with metal beams
CN201377186Y (en) * 2009-01-05 2010-01-06 上海维固工程实业有限公司 Reversible reinforcing structure of building
CN105064500A (en) * 2015-07-17 2015-11-18 南通德源建设工程科技有限公司 Balcony beam slab inner side filling wall body and main body structure integral casting construction method
CN107268634A (en) * 2017-06-27 2017-10-20 湖南省第六工程有限公司 Deep basal pit waist rail construction typified form system
CN111042570A (en) * 2020-01-03 2020-04-21 上海市园林工程有限公司 Repairing construction method for fresh water brick wall of ancient building

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2121047C1 (en) * 1997-07-02 1998-10-27 Товарищество с ограниченной ответственностью "КРОМ" Method for repair of roofs with metal beams
CN201377186Y (en) * 2009-01-05 2010-01-06 上海维固工程实业有限公司 Reversible reinforcing structure of building
CN105064500A (en) * 2015-07-17 2015-11-18 南通德源建设工程科技有限公司 Balcony beam slab inner side filling wall body and main body structure integral casting construction method
CN107268634A (en) * 2017-06-27 2017-10-20 湖南省第六工程有限公司 Deep basal pit waist rail construction typified form system
CN111042570A (en) * 2020-01-03 2020-04-21 上海市园林工程有限公司 Repairing construction method for fresh water brick wall of ancient building

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