CN109208936B - Existing building elevator shaft structure additional construction structure and construction method thereof - Google Patents
Existing building elevator shaft structure additional construction structure and construction method thereof Download PDFInfo
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- CN109208936B CN109208936B CN201811301738.6A CN201811301738A CN109208936B CN 109208936 B CN109208936 B CN 109208936B CN 201811301738 A CN201811301738 A CN 201811301738A CN 109208936 B CN109208936 B CN 109208936B
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000004567 concrete Substances 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 15
- 238000004873 anchoring Methods 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 6
- 238000009415 formwork Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0266—Enlarging
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
An existing building elevator shaft additional construction and a construction method thereof, wherein the existing building elevator shaft additional construction comprises an existing building; the existing building is of a cylinder structure, and an existing elevator shaft is arranged in the existing building; chiseling a rough surface at the top of the existing building around the existing elevator well and corresponding to the positions of the shear walls around the existing elevator well; wherein the width of the rough surface is not less than the thickness of the shear wall below the rough surface; the rough surface is provided with elevator shaft connecting walls, and the elevator shaft connecting walls around the existing elevator shaft enclose an additional elevator shaft; the top surface of the built elevator shaft exceeds the top surface of the existing building; connecting ribs are arranged between the shear wall and the elevator shaft connecting wall; the lower ends of the connecting ribs are anchored in the shear wall, and the upper ends of the connecting ribs extend out of the top of the shear wall and are anchored in the elevator shaft joint wall. The invention solves the technical problem that the fire elevator of the existing building can not meet the single vertical transportation requirement.
Description
Technical Field
The invention belongs to the field of reconstruction engineering, and in particular relates to an existing building elevator shaft building structure and a construction method thereof.
Background
A project is a comprehensive reconstruction project, the total building area is 34638 square meters, wherein one single unit is 23 layers above the ground and 2 layers below the ground; the steel structure interlayer is added on the single roof layer, and the original elevator machine room is positioned on the lower layer of the roof layer and cannot directly reach the roof layer and the added layer; in order to meet the requirement of single vertical transportation, the original elevator machine room is removed and then concrete elevator shafts are poured from the reinforced concrete planted layer to the roof interlayer, so that the problem that the original machine room layer and the original roof layer fire elevators cannot reach is properly solved.
Disclosure of Invention
The invention aims to provide an existing building elevator shaft additional structure and a construction method thereof, which aim to solve the technical problem that the existing building firefighting elevator cannot meet the single vertical transportation requirement.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
An existing building elevator shaft additional construction comprises an existing building; the existing building is of a cylinder structure, and an existing elevator shaft is arranged in the existing building; chiseling a rough surface at the top of the existing building around the existing elevator well and corresponding to the positions of the shear walls around the existing elevator well; wherein the width of the rough surface is not less than the thickness of the shear wall below the rough surface; the rough surface is provided with elevator shaft connecting walls, and the elevator shaft connecting walls around the existing elevator shaft enclose an additional elevator shaft; the top surface of the built elevator shaft exceeds the top surface of the existing building; connecting ribs are arranged between the shear wall and the elevator shaft connecting wall; the lower ends of the connecting ribs are anchored in the shear wall, and the upper ends of the connecting ribs extend out of the top of the shear wall and are anchored in the elevator shaft joint wall.
Preferably, the elevator shaft joint wall is a shear wall, and a ring beam is arranged at the top of the elevator shaft joint wall.
Preferably, the connecting ribs are arranged in two rows at intervals in parallel along the thickness direction of the shear wall; wherein, every row of connecting bars is evenly spaced along the longitudinal axis of the shear wall.
Preferably, the upper ends of the connecting ribs are correspondingly overlapped with the vertical ribs on two sides in the elevator shaft connecting wall, and the connecting ribs are positioned on the inner sides of the vertical ribs on the corresponding sides; the outside of each side of the vertical ribs in the elevator shaft joint wall is provided with horizontal longitudinal ribs along the vertical interval; tie bars are arranged in the elevator shaft connecting wall and between the vertical bars at two sides; the tie bars are arranged at intervals in parallel along the vertical direction.
Preferably, the roof of the existing building is provided with an outer wall joint wall along the long axis of the outer wall of the existing building; the outer wall connecting wall is connected with the elevator shaft connecting wall.
A construction method of an existing building elevator shaft additional structure comprises the following steps.
Step one, equipment is dismantled: the equipment in the existing elevator machine room at the top of the existing elevator hoistway is removed.
Step two, checking the site structure: after the dismantling work is finished, the structural dimensions of the existing elevator well in the existing building are subjected to positioning rechecking, the thicknesses of the shear walls around the existing elevator well are subjected to rechecking, and the structural dimensions of the top plate and the bottom plate of the existing elevator machine room are subjected to rechecking.
Step three, measuring and paying off: after rechecking, a hole is drilled on the floor slab of the existing building around the existing elevator shaft by utilizing a water drill, and then the measurement paying-off construction is carried out through the water drill hole according to a construction drawing.
Step four, chiseling a rough surface; and chiseling a rough surface at the top of the existing elevator well along the longitudinal axis direction of the shear walls around the existing elevator well, and exposing the steel bars in the shear walls around the existing elevator well.
Fifthly, constructing the connecting ribs and the reinforcing steel bars of the elevator shaft joint wall: and (5) after the measurement paying-off is completed, the connection bars are planted, and the steel bars of the elevator shaft joint wall are bound.
Step six, the formwork support of the elevator shaft connecting wall and the formwork support of the outer wall.
And seventhly, pouring and curing the concrete, and removing the template after the strength is achieved.
And step eight, static force dismantles the top plate of the existing elevator machine room.
Step nine, residue soil treatment: and conveying the clinker blocks to the bottom plate of the existing elevator machine room by utilizing a chain block.
And step ten, static force dismantles the bottom plate of the existing elevator machine room.
Step eleven, carrying out slag soil outside.
And step twelve, elevator installation.
Preferably, in the fifth step, the lower ends of the connecting ribs are anchored in the shear wall, and the upper ends of the connecting ribs are anchored in the elevator indirect wall.
Preferably, in the step eight, the top plate of the existing elevator machine room is cut by a water drill; in the step ten, the bottom plate of the existing elevator machine room is cut by adopting a water drill.
Preferably, step nine establishes the protection frame in existing elevator well after the dregs are handled, avoids the dregs to drop and hurt people when the bottom plate of existing elevator machine room is dismantled, can be used as dregs transport platform simultaneously.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. According to the invention, the problem that the firefighting elevator can not directly reach after the storey is added on the existing building roof is solved, and the original elevator machine room top plate and bottom plate static force is removed after the elevator hoistway is poured through on-site measurement rechecking and post-anchoring reinforcement planting, so that the original elevator hoistway is lifted to the storey adding structural storey, and the storey adding vertical transportation requirement is realized.
2. According to the invention, aiming at the problems of missing original data of the existing building and no controllable axis and elevation on site, the upper and lower layer structures of the existing building are communicated through water drilling holes on the structural plates at the left side and the right side of the top area of the existing elevator shaft, and the holes at the two sides are used for measuring and paying off, so that the problem that the core tube structure is difficult to penetrate up and down and measuring and paying off is effectively solved.
3. According to the invention, roughening is carried out on the joint part of the existing elevator well and the additionally built well, and the concrete protection layer of the shear wall around the existing elevator well is removed, so that the steel bars in the shear wall around the existing elevator well are exposed, and the rear anchoring steel bars are distributed at the exposed steel bar clearance part of the shear wall around the existing elevator well, so that the damage degree of the rear anchoring steel bars to the steel bars of the shear wall around the existing elevator well due to construction is reduced.
4. According to the invention, the top plate and the bottom plate of the existing elevator machine room are subjected to static force dismantling by adopting the water drill cutting, so that the disturbance influence on the existing building structure is effectively reduced.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of an existing elevator hoistway.
Fig. 2 is a schematic diagram of the existing building elevator hoistway add-on structure of the present invention.
Fig. 3 is a schematic view of the connection structure of the existing building and the elevator shaft wall of the present invention.
Fig. 4 is a schematic view of the structure of the present invention in which a collar beam is provided at the top of a hoistway wall.
Reference numerals: 1-existing building, 1.1-existing elevator shaft, 1.2-shear wall, 1.3-outer wall, 2-rough surface, 3-elevator shaft connecting wall, 3.1-vertical rib, 3.2-horizontal longitudinal rib, 3.3-tie rib, 4-added elevator shaft, 5-connecting rib, 6-ring beam, 7-outer wall connecting wall, 8-existing elevator machine room, 9-top plate and 10-bottom plate.
Detailed Description
As shown in fig. 1-4, such existing building elevator hoistway add-on structure includes an existing building 1; the existing building 1 is of a cylinder structure, and an existing elevator shaft 1.1 is arranged in the existing building 1; the top of the existing building 1 around the existing elevator well 1.1 is chiseled with a rough surface 2 at the position corresponding to the shearing wall 1.2 around the existing elevator well 1.1; wherein the width of the rough surface 2 is not less than the thickness of the shear wall 1.2 below the rough surface; the rough surface 2 is provided with elevator shaft connecting walls 3, and the elevator shaft connecting walls 3 around the existing elevator shaft 1.1 enclose an additional elevator shaft 4; the top surface of the built elevator hoistway 4 exceeds the top surface of the existing building 1; connecting ribs 5 are arranged between the shear wall 1.2 and the elevator shaft connecting wall 3; the lower ends of the connecting ribs 5 are anchored in the shear wall 1.2, and the upper ends of the connecting ribs 5 extend out of the top of the shear wall 1.2 and are anchored in the elevator shaft joint wall 3.
In this embodiment, the hoistway connection wall 3 is a shear wall, and a ring beam 6 is provided on top of the hoistway connection wall 3.
In this embodiment, the connecting ribs 5 are arranged in two rows and are spaced in parallel along the thickness direction of the shear wall 1.2; wherein, each row of connecting ribs 5 are uniformly arranged at intervals along the longitudinal axis of the shear wall 1.2; the lower ends of the connecting ribs 5 are anchored in the shear wall 1.2, and the lengths of the connecting ribs are 21 d-29 d (d is the diameter of the connecting ribs) anchored in the shear wall 1.2; the upper ends of the connecting ribs 5 are anchored in the elevator indirect wall 3 and in the shear wall 1.2 are 21d to 29d in length (d is the connecting rib diameter).
In the embodiment, the upper ends of the connecting ribs 5 are correspondingly lapped with the vertical ribs 3.1 on two sides in the elevator shaft joint wall 3, and the connecting ribs 5 are positioned on the inner sides of the vertical ribs 3.1 on the corresponding sides; the outside of each side of the vertical ribs 3.1 in the elevator shaft joint wall 3 is provided with horizontal vertical ribs 3.2 at intervals along the vertical direction; tie bars 3.3 are arranged in the elevator shaft connecting wall 3 and between the vertical bars 3.1 positioned at two sides; the drawknot tendons 3.3 are arranged at intervals in parallel along the vertical direction.
In this embodiment, the roof of the existing building 1 is provided with an outer wall joint wall 7 along the long axis of the outer wall 1.3 of the existing building 1; the outer wall joint wall 7 is connected with the elevator shaft joint wall 3.
According to the construction method of the existing building elevator shaft additional construction structure, the roof 9 elevation of the existing elevator shaft 1.1 is lifted through on-site structure rechecking, measurement and positioning, multidirectional three-dimensional post-anchoring reinforcement and formwork pouring concrete, and meanwhile, the roof 9 and the bottom plate 10 of the existing elevator machine room 8 are removed through static force, so that the existing elevator shaft 1.1 is lifted to a new top elevation, and the roof structure additional vertical transportation requirement is met; the method specifically comprises the following steps.
Step one, equipment is dismantled: the equipment in the existing elevator machine room 8 at the top of the existing elevator hoistway 1.1 is removed.
Step two, checking the site structure: after the dismantling work is finished, the structural dimensions of the existing elevator shaft 1.1 in the existing building 1 are subjected to positioning rechecking, the thicknesses of the shear walls 1.2 around the existing elevator shaft 1.1 are subjected to rechecking, and the structural dimensions of the top plate 9 and the bottom plate 10 of the existing elevator machine room 8 are subjected to rechecking.
Step three, measuring and paying off: after rechecking, holes are drilled on the floor slab of the existing building 1 around the existing elevator shaft 1.1 by utilizing water drills, and then measuring and paying-off construction is carried out through the water drill holes according to a construction drawing.
Step four, chiseling a rough surface 2; a rough surface 2 is chiseled on the top of the existing elevator shaft 1.1 along the longitudinal axis direction of the shearing walls 1.2 around the existing elevator shaft 1.1, and the steel bars in the shearing walls around the existing elevator shaft 1.1 are exposed.
Fifthly, constructing the connecting ribs 5 and the steel bars of the elevator shaft joint wall 3: after the measurement paying-off is completed, the steel bar is planted on the multidirectional three-dimensional connecting steel bar 5 and the steel bar of the elevator shaft connecting wall 3 is bound; the Q3 bars in the hoistway coupling wall 3 are embedded in the shear wall of the existing hoistway 1.1, and the vertical bars in the outer wall coupling wall 7 extend from the lower existing elevator machine room 8 to the ceiling 9 of the hoistway.
Step six, the formwork support of the elevator shaft joint wall 3 and the formwork support of the outer wall 1.3.
And seventhly, pouring and curing the concrete, and removing the template after the strength is achieved.
And step eight, after the construction of the elevator shaft connecting wall 3 is finished, the top plate 9 static force of the existing elevator machine room 8 is removed, and a water drill is adopted for cutting.
Step nine, residue soil treatment: transporting the residue soil blocks to a bottom plate 10 of an existing elevator machine room 8 by utilizing a chain block, and secondarily transporting the residue soil blocks to a garbage pool; the steel pipe protection frame is erected in the elevator shaft after the top plate 9 of the existing elevator machine room 8 is removed and cleared, so that the phenomenon that the slag falls to hurt people when the bottom plate 10 of the existing elevator machine room 8 is removed is avoided, and the steel pipe protection frame can be used as a slag dumping platform.
Step ten, dismantling the bottom plate 10 of the existing elevator machine room 8 after the protective frame is erected: the static force removes the bottom plate 10 of the existing elevator machine room 8 and adopts a water drill for cutting.
Step eleven, transporting the dregs to the outside, transporting the dregs to a frame body platform by adopting a chain block, and transporting the dregs to a garbage pool for the second time.
And step twelve, elevator installation.
In the fifth embodiment, holes are drilled in the structural plates on the left side and the right side of the top area of the existing elevator shaft 1.1, so that the upper and lower layer structures of the existing building 1 are communicated, the holes on the two sides are used for measuring and paying off, and the problem that the core tube structure is airtight and difficult to penetrate up and down for measuring and paying off is effectively solved.
In the fifth embodiment, the lower ends of the connecting ribs 5 are anchored in the shear wall 1.2, and the upper ends of the connecting ribs 5 are anchored in the hoistway wall 3.
In this embodiment, step nine establishes a protective frame in the existing elevator shaft 1.1 after the treatment of the dregs, so as to avoid the dregs falling off to hurt people when the bottom plate 10 of the existing elevator machine room 8 is removed, and at the same time, the protective frame can be used as a dregs dumping platform.
In this embodiment, in consideration of the original data of the existing building 1 being missing and having no controllable axis and elevation on site, after the equipment in the existing elevator machine room 8 is removed, the structural size and elevation of the on-site structure are required to be checked, and in consideration of the fact that the structure of the existing building 1 is airtight and difficult to penetrate up and down for measuring and paying off, the upper and lower layer structures are penetrated by drilling holes on the structural plates on two sides of the existing building 1, the holes on two sides are used for measuring and paying off, and then the structural size of the existing elevator well 1.1 in the existing building 1 is checked in a positioning manner, the thickness of the shearing wall 1.2 around the existing elevator well 1.1 is checked, and the structural sizes of the top plate 9 and the bottom plate 10 of the existing elevator machine room 8 are checked.
In this embodiment, in order to reduce the damage of the post-anchoring reinforcement construction to the internal steel bars of the roof structure of the existing building 1, the structural concrete protection layer of the existing building 1 needs to be removed at the joint part of the new concrete and the old concrete by using an electric pick, so that the steel bars of the existing building 1 are exposed to form a section of connecting reinforcement 5, and the post-anchoring reinforcement in the elevator shaft joint wall 3 is distributed at the gap part of the original exposed connecting reinforcement 5 as much as possible; the rear anchoring bar comprises a vertical bar 3.1, a horizontal longitudinal bar 3.2 and a drawknot bar 3.3.
The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate the present invention, not to limit the scope of the present invention, and all applications that come from simple variations of the present invention fall within the scope of the present invention.
Claims (7)
1. An existing building elevator shaft building structure comprises an existing building (1); the method is characterized in that: the existing building (1) is of a cylinder structure, and an existing elevator shaft (1.1) is arranged in the existing building (1); chiseling a rough surface (2) at the top of the existing building (1) around the existing elevator well (1.1) and at positions corresponding to shear walls (1.2) around the existing elevator well (1.1); wherein the width of the rough surface (2) is not less than the thickness of the shear wall (1.2) below the rough surface; the rough surface (2) is provided with elevator shaft connecting walls (3), and the elevator shaft connecting walls (3) around the existing elevator shaft (1.1) enclose an additional elevator shaft (4); the top surface of the built elevator shaft (4) exceeds the top surface of the existing building (1); connecting ribs (5) are arranged between the shear wall (1.2) and the elevator shaft connecting wall (3); the lower ends of the connecting ribs (5) are anchored in the shear wall body (1.2), and the upper ends of the connecting ribs (5) exceed the top of the shear wall body (1.2) and are anchored in the elevator shaft connecting wall (3);
The elevator shaft connecting wall (3) is a shear wall, and a ring beam (6) is arranged at the top of the elevator shaft connecting wall (3); the roof of the existing building (1) is provided with an outer wall joint wall (7) along the long axis of the outer wall (1.3) of the existing building (1); the outer wall connecting wall (7) is connected with the elevator shaft connecting wall (3).
2. The existing building elevator hoistway add-on structure of claim 1, wherein: the connecting ribs (5) are arranged in two rows and are arranged at intervals in parallel along the thickness direction of the shear wall body (1.2); wherein, each row of connecting ribs (5) is evenly spaced along the longitudinal axis of the shear wall body (1.2).
3. The existing building elevator hoistway add-on structure of claim 2, wherein: the upper ends of the connecting ribs (5) are correspondingly overlapped with the vertical ribs (3.1) on two sides in the elevator shaft connecting wall (3), and the connecting ribs (5) are positioned on the inner sides of the vertical ribs (3.1) on the corresponding sides; the outside of each side of the vertical ribs (3.1) in the elevator shaft joint wall (3) is provided with horizontal vertical ribs (3.2) at intervals along the vertical direction; tie bars (3.3) are arranged between the vertical bars (3.1) positioned at two sides in the elevator shaft connecting wall (3); the tie bars (3.3) are arranged at intervals in parallel along the vertical direction.
4. A method of constructing an existing building elevator hoistway add-on structure as claimed in any of claims 1 to 3, comprising the steps of:
step one, equipment is dismantled: dismantling equipment located in an existing elevator machine room (8) at the top of an existing elevator hoistway (1.1);
step two, checking the site structure: after the dismantling work is finished, the structural size of the existing elevator well (1.1) in the existing building (1) is subjected to positioning rechecking, the thickness of the shear wall bodies (1.2) around the existing elevator well (1.1) is rechecked, and the structural sizes of the top plate (9) and the bottom plate (10) of the existing elevator machine room (8) are rechecked;
Step three, measuring and paying off: after rechecking, drilling holes on the floor slab of the existing building (1) around the existing elevator shaft (1.1) by using a water drill, and then carrying out measurement paying-off construction through the water drill hole according to a construction drawing;
Step four, chiseling a rough surface (2); chiseling a rough surface (2) at the top of the existing elevator well (1.1) along the longitudinal axis direction of the shear walls (1.2) around the existing elevator well (1.1), and exposing steel bars in the shear walls around the existing elevator well (1.1);
fifthly, constructing the connecting ribs (5) and the steel bars of the elevator shaft connecting wall (3): after the measurement paying-off is completed, the steel bar is planted on the connecting bar (5) and the steel bar of the elevator shaft connecting wall (3) is bound;
step six, the template support of the elevator shaft connecting wall (3) and the template support of the outer wall (1.3);
step seven, pouring and curing the concrete, and removing the template after reaching the strength;
Step eight, static force dismantles the roof (9) of the existing elevator machine room (8);
Step nine, residue soil treatment: transporting the clinker to a bottom plate (10) of an existing elevator machine room (8) by utilizing a chain block;
Step ten, static force dismantles the bottom plate (10) of the existing elevator machine room (8);
Step eleven, carrying out slag soil outside;
and step twelve, elevator installation.
5. The method of constructing an existing building elevator hoistway add-on structure of claim 4, wherein: in the fifth step, the lower ends of the connecting ribs (5) are anchored in the shear wall body (1.2), and the upper ends of the connecting ribs (5) are anchored in the elevator shaft joint wall (3).
6. The method of constructing an existing building elevator hoistway add-on structure of claim 4, wherein: in the eighth step, a top plate (9) of the existing elevator machine room (8) is cut by a water drill; in step ten, the bottom plate (10) of the existing elevator machine room (8) is cut by a water drill.
7. The method of constructing an existing building elevator hoistway add-on structure of claim 4, wherein: step nine, after the treatment of the dregs is finished, a protective frame is erected in the existing elevator shaft (1.1), so that the dregs are prevented from falling off to hurt people when the bottom plate (10) of the existing elevator machine room (8) is removed, and the dregs can be used as a dregs dumping platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811301738.6A CN109208936B (en) | 2018-11-02 | 2018-11-02 | Existing building elevator shaft structure additional construction structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811301738.6A CN109208936B (en) | 2018-11-02 | 2018-11-02 | Existing building elevator shaft structure additional construction structure and construction method thereof |
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| CN109208936A CN109208936A (en) | 2019-01-15 |
| CN109208936B true CN109208936B (en) | 2024-06-14 |
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| CN110565847B (en) * | 2019-09-18 | 2024-03-29 | 上海建工一建集团有限公司 | Construction method for super high-rise fire elevator well wall body and reinforced concrete wall |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209011617U (en) * | 2018-11-02 | 2019-06-21 | 中国建筑一局(集团)有限公司 | A kind of existing building elevator shaft structure, which adds, builds structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DK1108828T3 (en) * | 1999-12-16 | 2005-11-21 | Inventio Ag | Elevator Shaft |
| JP2002308547A (en) * | 2001-04-13 | 2002-10-23 | Taisei Corp | Structure for install ion of new elevator in existing building |
| JP4336682B2 (en) * | 2006-02-01 | 2009-09-30 | 綿半テクノス株式会社 | Construction method of elevator hoistway building |
| CN103352580B (en) * | 2013-07-09 | 2015-09-09 | 北京筑福国际工程技术有限责任公司 | The construction method of elevator structure is added in multi-story masonry building |
| CN106088643B (en) * | 2016-06-16 | 2018-08-14 | 西安理工大学 | A kind of planning and designing method of Old building earthquake-resistant structure group |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209011617U (en) * | 2018-11-02 | 2019-06-21 | 中国建筑一局(集团)有限公司 | A kind of existing building elevator shaft structure, which adds, builds structure |
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