CN109339632B - Construction method of light concrete strip plate partition wall door opening - Google Patents
Construction method of light concrete strip plate partition wall door opening Download PDFInfo
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- CN109339632B CN109339632B CN201811144366.0A CN201811144366A CN109339632B CN 109339632 B CN109339632 B CN 109339632B CN 201811144366 A CN201811144366 A CN 201811144366A CN 109339632 B CN109339632 B CN 109339632B
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- lintel
- door opening
- shaped steel
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/52—Frames specially adapted for doors
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/12—Metal frames
- E06B1/14—Metal frames of special cross-section not used
- E06B1/16—Hollow frames
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
- E06B1/60—Fastening frames to the border of openings or to similar contiguous frames by mechanical means, e.g. anchoring means
- E06B1/6046—Clamping means acting perpendicular to the wall opening; Fastening frames by tightening or drawing them against a surface parallel to the opening
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
- E06B1/60—Fastening frames to the border of openings or to similar contiguous frames by mechanical means, e.g. anchoring means
- E06B1/6092—Fastening door frames to the floor or ceiling; Jamb feet; Cross members uniting the jamb feet
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Door And Window Frames Mounted To Openings (AREA)
Abstract
The invention discloses a construction method of a light concrete strip plate partition wall door opening, which adopts galvanized square steel tubes to replace concrete constructional columns/holding frames and concrete lintels and has the advantages of convenient construction, high construction quality, short construction period, energy conservation, environmental protection and the like.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method of a light concrete strip partition door opening.
Background
The lightweight concrete strip is a prefabricated concrete strip which is produced by taking cement as a cementing material, taking reinforcing steel bars, steel wire meshes or other materials as reinforcing materials, taking industrial ash residues such as fly ash, coal gangue, slag, recycled aggregate and the like, natural lightweight aggregate and artificial lightweight aggregate as well as adopting a mechanized mode according to the building modulus. The heat-insulation sound-insulation wall is mainly applied to the inner partition wall of a building house, and has the characteristics of light weight, high strength, heat insulation, good sound insulation, high strength, environmental friendliness, convenience in construction and the like.
At present, the light concrete strip partition door opening is mainly constructed by cast-in-place concrete constructional columns/embracing frames and lintels, and the concrete method comprises the following steps: for a constructional column/holding frame, firstly, carrying out chemical bar planting at a floor beam/floor slab corresponding to the constructional column/holding frame, then binding reinforcing steel bars of the constructional column/holding frame, overlapping vertical reinforcing steel bars of the constructional column/holding frame with the bar planting, installing a template after the installation of a side light concrete strip partition wall is finished, reserving a rectangular small opening on the template close to a roof of a floor, arranging an external filling hopper, and conveying concrete into the template through the filling hopper by using a shovel for pouring; for the door opening lintel, firstly, filling a first hole of a lightweight concrete slab close to the door opening edge with C25 fine aggregate concrete, inserting a C12 steel bar into the fine aggregate concrete filling hole, extending the upper end of the inserted bar into the lintel, binding and connecting the inserted bar with the lintel steel bar, then installing a lintel template, and pouring concrete.
Through the above description of the construction scheme of the light concrete strip partition door opening, it can be known that the construction scheme has the following disadvantages: firstly, the constructional column/frame is high in vertical direction and small in cross section, the pouring progress condition of concrete cannot be observed, and the concrete is not easy to vibrate and compact, so that the construction quality of the constructional column/frame is difficult to ensure; the construction column/holding frame is poured by adopting a spade to convey concrete, so that the pouring speed is too low, and the construction progress of the construction column/holding frame is influenced; thirdly, the construction process of the door opening lintel is complex, the installation of the partition board above the door opening lintel requires that the cast-in-place concrete lintel reaches the corresponding strength to carry out construction, the time consumption is too long, especially the construction in winter consumes longer time, and the construction progress of the partition board is seriously influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a construction method of a light concrete batten partition wall door opening.
The invention provides a construction method of a light concrete strip partition wall door opening, which comprises the following steps:
(1) positioning and paying off positions of the side partition plate, the top partition plate, the door opening, the constructional column or the holding frame and the lintel according to a building drawing and a panel layout drawing;
(2) drilling holes on the floor corresponding to the mounting position of the constructional column or the embracing frame, and fixing a galvanized steel plate at the drilling positions;
(3) mounting constructional columns or holding frames on two sides of the door opening:
the constructional column or the holding frame is made of galvanized square steel pipes, a first U-shaped steel board is welded on the side face, connected with the side partition plate, of the constructional column or the holding frame in advance, and the opening of the first U-shaped steel board is arranged towards the side partition plate; the constructional column is arranged on a third U-shaped steel plate card on the side surface connected with the top partition plate; welding and fixing the constructional column or the holding frame and the galvanized steel plate at the floor slab;
(4) installing a lintel:
the lintel is made of galvanized square steel pipes, a second U-shaped steel board is welded above the lintel, and an opening of the second U-shaped steel board is arranged towards the direction of the top partition plate; welding the lintel with constructional columns or embracing frames on two sides of the portal opening;
(5) installing side partition boards on two sides of the door opening according to the positioning lines:
connecting the side partition wall plate with the constructional column or the embracing frame by adopting a first U-shaped steel plate card which is welded in advance, wherein the open end of the first U-shaped steel plate card is clamped on the side partition wall plate;
(6) installing a top partition plate above the lintel:
connecting the top partition plate with the lintel by adopting a second U-shaped steel plate card which is welded in advance, and connecting the top partition plate with the constructional column by adopting a third U-shaped steel plate card which is welded in advance;
(7) and (5) filling the joint.
Further, in the step (2), the galvanized steel sheet is fixed by expansion bolts, and the area of the galvanized steel sheet is larger than the cross section of the constructional column or the frame.
Further, in the step (3), the longitudinal width of the constructional column or the frame is the same as the thickness of the side partition plate; the first U-shaped steel plate clamp is arranged at a position 300-500 mm above the ground, and the distance between the first U-shaped steel plate clamps is less than or equal to 1000 mm.
Further, in the step (4), the lintel at the inner side of the door opening and two internal corners of the constructional column or the frame are welded and fixed by adopting L-shaped steel plate cards.
Further, in the step (4), the longitudinal width of the lintel is the same as the thickness of the top partition plate; when the width of the door opening is smaller than 2.1m, the length of the lintel is 500mm added to the width of the door opening, and overhanging parts at two ends of the lintel extend into partition boards at two sides of the door opening.
Further, in the step (5),
the width of each side partition board is 600 mm; when the width of the door opening is less than 2.1m, rectangular notches are respectively formed in the side partition plates on two sides of the door opening, the transverse length of each rectangular notch is 250mm, the vertical height of each rectangular notch is the same as the height of the lintel, and the longitudinal width of each rectangular notch is the same as the thickness of the side partition plate.
Further, in the step (6), the width of the top partition board is 600 mm.
Further, the step (7) is specifically: the side partition boards, the top partition board, the constructional columns, the holding frame, the lintel and joints between adjacent partition boards are all filled and flattened by adopting M10 special bonding materials, after the joints are dried, 200 mm-wide alkali-resistant glass fiber mesh cloth is hung at the abutted seam positions, and 5 mm-thick anti-crack mortar is smeared.
The construction method of the light concrete batten partition wall door opening provided by the invention adopts the galvanized square steel pipe to replace a concrete constructional column/holding frame and a concrete lintel, has the advantages of convenience in construction, high construction quality, short construction period, energy conservation, environmental protection and the like, and is specifically explained as follows:
(1) the construction is convenient: the galvanized square steel pipe has light dead weight and convenient transportation, does not need to bind reinforcing steel bars and install templates during construction, does not need to pour concrete, can complete construction only by simple welding, and has simple process.
(2) The construction quality is high: the construction quality of the concrete structure is easily influenced by climate and human factors, the concrete is not easy to vibrate densely, the concrete at the top of the cast-in-place constructional column is not easy to form a whole with the top of a floor, a construction cold joint is formed, the galvanized square steel pipe is high in strength and good in integrity, is not influenced by environmental factors, is produced in a factory in a large scale, is high in processing precision and is beneficial to on-site construction quality control.
(3) The construction period is short: the cast-in-place concrete lintel can be constructed on the partition wall plate at the top of the door opening only by meeting the strength required by the specification, the construction period is longer, the process interval time can be saved by using the galvanized square steel pipe, the construction is continuously carried out, and the construction speed is greatly improved.
(4) Energy conservation and environmental protection: the galvanized square steel pipe is constructed in a dry mode, water is saved, the occupied area of construction is small, generated noise is low, dust is less, the use amount of concrete is greatly reduced, energy conservation and environmental protection are facilitated, and the construction method is the development trend of the current building.
Drawings
FIG. 1 is a schematic view of the arrangement of the door opening of the light slat partition wall when the width of the door opening is less than 2.1 m;
FIG. 2 is a schematic view of the arrangement of the light lath partition wall door opening when the width of the door opening is greater than or equal to 2.1 m.
Description of reference numerals:
1-side partition plate;
2-width of door opening;
3-floor bottom surface;
4-expansion bolts;
5-galvanized steel sheet;
6.1-embracing the frame;
6.2-construction of columns;
7-top surface of floor slab;
8-a first U-shaped steel plate card;
9-lintel;
10-L-shaped steel plate cards;
11-top partition board;
12-a second U-shaped steel plate card;
13-third U-shaped steel plate card.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention provides a construction method of a light concrete strip partition wall door opening, which comprises the following steps:
(1) positioning and paying off the positions of the side partition board 1, the top partition board 11, the door opening, the constructional column 6.2 or the holding frame 6.1 and the lintel 9 according to a building drawing and a panel layout drawing;
(2) drilling holes on a floor corresponding to the installation position of the constructional column 6.2 or the frame 6.1, and fixing a galvanized steel plate 5 at the drilling hole;
in the step, according to the requirements of the existing relevant construction specifications, when the width 2 of the door opening is smaller than 2.1m, the holding frames 6.1 are arranged on two sides of the door opening, holes are drilled at the mounting positions of the holding frames 6.1 corresponding to the bottom surface 3 of the floor slab, and galvanized steel plates 5 are mounted, please refer to fig. 1; when the width 2 of the door opening is greater than or equal to 2.1m, constructional columns 6.2 are arranged on two sides of the door opening, holes are drilled in the mounting positions of the constructional columns 6.2 corresponding to the floor top surface 7 and the floor bottom surface 3, and galvanized steel plates 5 are mounted, please refer to fig. 2.
Preferably, the galvanized steel sheet 5 is fixed by the expansion bolts 4, and the area of the galvanized steel sheet 5 is larger than the cross section of the construction column 6.2 or the holding frame 6.1, so that the construction column 6.2 or the holding frame 6.1 and the galvanized steel sheet 5 can be welded conveniently on four sides. The drilling can adopt the percussion drill, and construction convenience is efficient.
(3) Mounting constructional columns 6.2 or embracing frames 6.1 on two sides of the door opening:
the constructional column 6.2 or the holding frame 6.1 is made of galvanized square steel pipes, the first U-shaped steel plate cards 8 are welded on the side faces, connected with the side partition wall plates 1, of the constructional column 6.2 or the holding frame 6.1 in advance, and the openings of the first U-shaped steel plate cards 8 are arranged towards the direction of the side partition wall plates 1; the constructional column 6.2 is arranged on a third U-shaped steel plate card 13 on the side surface connected with the top partition plate 11; and welding and fixing the constructional column 6.2 or the frame 6.1 and the galvanized steel plate 5 at the floor.
The first U-shaped steel plate clamp 8 is used for connecting the constructional column 6.2 or the frame 6.1 with the adjacent side partition plate.
In this step, when the width 2 of the door opening is smaller than 2.1m, the height of the holding frame 6.1 is the same as the height of the door opening, and the bottom end of the holding frame 6.1 is welded with the galvanized steel plate 5 at the bottom 3 of the floor slab, please refer to fig. 1; when the width 2 of the door opening is greater than or equal to 2.1m, the height of the constructional column 6.2 is the net height of the floor, and the top end and the bottom end of the constructional column are respectively welded and fixed with the galvanized steel plates 5 at the top surface 7 and the bottom surface 3 of the floor, please refer to fig. 2.
The longitudinal width of the constructional column 6.2 or the frame 6.1 is the same as the thickness of the side partition board 1; the first U-shaped steel plate clamp 8 is arranged at a position 300-500 mm above the ground, and the distance between the first U-shaped steel plates above the second U-shaped steel plate clamp is set to be less than or equal to 1000 mm.
(4) Installing a lintel 9:
the lintel 9 is made of galvanized square steel pipes, a second U-shaped steel plate card 12 is welded above the lintel 9, and an opening of the second U-shaped steel plate card 12 is arranged towards the direction of the top partition wall plate 11; welding the lintel 9 with constructional columns 6.2 or a holding frame 6.1 at two sides of a door opening; furthermore, an L-shaped steel plate card 10 is welded and fixed at two internal corners of the lintel 9 at the inner side of the door opening and the constructional column 6.2 or the frame 6.1;
in this step, the second U-shaped steel plate clamp 12 is used to connect the lintel 9 with the top partition plate 11 above it.
When the width 2 of the door opening is smaller than 2.1m, the length of the lintel 9 is the width 2 of the door opening plus 500mm, and overhanging parts at two ends of the lintel 9 extend into the partition boards 1 at two sides of the door opening, please refer to fig. 1; when the width 2 of the door opening is greater than or equal to 2.1m, the length of the lintel 9 is the same as the width 2 of the door opening, please refer to fig. 2.
The longitudinal width of the lintel 9 is the same as the thickness of the top partition plate 11; the number of the second U-shaped steel plate cards 12 above the lintel 9 is determined by the number of the partition boards above the lintel 9, and at least 1 steel plate card is ensured to be arranged between each top partition board 11 and the lintel 9; when the width 2 of the door opening is less than 2.1m, the lengths of the overhanging parts at the two ends of the lintel 9 are equal and 250 mm.
(5) Installing side partition boards 1 on two sides of the door opening according to the positioning lines:
connecting the side partition wall plate 1 with the constructional column 6.2 or the embracing frame 6.1 by adopting a first U-shaped steel plate card 8 welded in advance, wherein the open end of the first U-shaped steel plate card 8 is clamped on the side partition wall plate 1;
in this step, when the width 2 of the door opening is smaller than 2.1m, rectangular notches are respectively formed in the side partition boards 1 on both sides of the door opening according to the overhanging size of the lintel 9, and the rectangular notches are used for fixing overhanging parts at both ends of the lintel 9, please refer to fig. 1. Further, the width of each side partition board 1 is 600 mm; the rectangular notch is 250mm in transverse length, the vertical height of the rectangular notch is the same as the height of the lintel 9, and the longitudinal width of the rectangular notch is the same as the thickness of the side partition board 1.
(6) Installing a top partition plate 11 above the lintel 9:
and connecting the top partition plate 11 with the lintel 9 by adopting a second U-shaped steel plate card 12 welded in advance, and connecting the top partition plate 11 with the constructional column 6.2 by adopting a third U-shaped steel plate card 13 welded in advance. That is, when the width 2 of the door opening is smaller than 2.1m, the top partition wall plate 11 and the lintel 9 are connected by adopting a second U-shaped steel plate card 12 welded in advance, please refer to fig. 1; when the width 2 of the door opening is greater than or equal to 2.1m, the top partition wall plate 11 is connected with the lintel 9 by adopting a second U-shaped steel plate card 12 welded in advance, and the top partition wall plate 11 is connected with the holding column by adopting a third U-shaped steel plate card 13 welded in advance, please refer to fig. 2.
Preferably, the width of the top partition board 11 is 600mm, the number of the top partition boards 11 above the lintel 9 is set according to the width 2 of the door opening and the size of the holding frame 6.1, and the partition boards above the lintel 9 can be cut if necessary; the number of third U-shaped steel plate clamps 13 between the top partition wall plate 11 and the constructional column 6.2 is set in the same way as in step 3.
(7) Filling the joints;
the step may specifically be: the side partition board 1, the top partition board 11, the constructional column 6.2, the holding frame 6.1, the lintel 9 and the joint between the adjacent partition boards are all filled and flattened by using M10 special bonding materials, after the joints are dried, 200mm wide alkali-resistant glass fiber mesh cloth is hung at the abutted joint positions, and 5mm thick anti-crack mortar is smeared.
In the construction method of the light concrete strip partition wall door opening, the constructional column and the holding frame are both made of galvanized square steel pipes, and the special connection mode of the constructional column and the holding frame with the floor slab is as follows: firstly, a galvanized steel plate is fixed on a floor slab, and then the constructional column or the embracing frame is welded on the galvanized steel plate.
The constructional column or the holding frame is connected with the side partition wall plate through a U-shaped steel plate card, the opening end of the U-shaped steel plate card is clamped on the side partition wall plate, and the closed end is welded with the constructional column or the holding frame.
The lintel is also made of galvanized square steel; the lintel at the inner side of the door opening is connected with the constructional column or the internal corner of the embracing frame by adopting an L-shaped steel plate card, and the L-shaped steel plate card is welded with the lintel and the constructional column or the embracing frame, so that the overall performance of the lintel and the constructional column or the embracing frame is effectively improved.
The top partition plate above the lintel is connected with the lintel and the constructional column through U-shaped steel plate cards, and the open end of each steel plate card is clamped on the top partition plate.
The construction method of the light concrete batten partition wall door opening provided by the invention adopts the galvanized square steel pipe to replace a concrete constructional column/holding frame and a concrete lintel, has the advantages of convenience in construction, high construction quality, short construction period, energy conservation, environmental protection and the like, and is specifically explained as follows:
(1) the construction is convenient: the galvanized square steel pipe has light dead weight and convenient transportation, does not need to bind reinforcing steel bars and install templates during construction, does not need to pour concrete, can complete construction only by simple welding, and has simple process.
(2) The construction quality is high: the construction quality of the concrete structure is easily influenced by climate and human factors, the concrete is not easy to vibrate densely, the concrete at the top of the cast-in-place constructional column is not easy to form a whole with the top of a floor, a construction cold joint is formed, the galvanized square steel pipe is high in strength and good in integrity, is not influenced by environmental factors, is produced in a factory in a large scale, is high in processing precision and is beneficial to on-site construction quality control.
(3) The construction period is short: the cast-in-place concrete lintel can be constructed on the partition wall plate at the top of the door opening only by meeting the strength required by the specification, the construction period is longer, the process interval time can be saved by using the galvanized square steel pipe, the construction is continuously carried out, and the construction speed is greatly improved.
(4) Energy conservation and environmental protection: the galvanized square steel pipe is constructed in a dry mode, water is saved, the occupied area of construction is small, generated noise is low, dust is less, the use amount of concrete is greatly reduced, energy conservation and environmental protection are facilitated, and the construction method is the development trend of the current building.
The construction method of the light concrete strip partition wall door opening provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (7)
1. A construction method of a light concrete strip partition wall door opening is characterized by comprising the following steps:
(1) positioning and paying off positions of the side partition plate, the top partition plate, the door opening, the constructional column or the holding frame and the lintel according to a building drawing and a panel layout drawing;
(2) drilling holes on the floor corresponding to the mounting position of the constructional column or the embracing frame, and fixing a galvanized steel plate at the drilling positions; the galvanized steel sheet is fixed by expansion bolts, and the area of the galvanized steel sheet is larger than the cross section of the constructional column or the holding frame;
(3) mounting constructional columns or holding frames on two sides of the door opening:
the constructional column or the holding frame is made of galvanized square steel pipes, a first U-shaped steel board is welded on the side face, connected with the side partition plate, of the constructional column or the holding frame in advance, and the opening of the first U-shaped steel board is arranged towards the side partition plate; the constructional column is arranged on a third U-shaped steel plate card on the side surface connected with the top partition plate; welding and fixing the constructional column or the holding frame and the galvanized steel plate at the floor slab;
(4) installing a lintel:
the lintel is made of galvanized square steel pipes, a second U-shaped steel board is welded above the lintel, and an opening of the second U-shaped steel board is arranged towards the direction of the top partition plate; welding the lintel with constructional columns or embracing frames on two sides of the portal opening;
(5) installing side partition boards on two sides of the door opening according to the positioning lines:
connecting the side partition wall plate with the constructional column or the embracing frame by adopting a first U-shaped steel plate card which is welded in advance, wherein the open end of the first U-shaped steel plate card is clamped on the side partition wall plate;
(6) installing a top partition plate above the lintel:
connecting the top partition plate with the lintel by adopting a second U-shaped steel plate card which is welded in advance, and connecting the top partition plate with the constructional column by adopting a third U-shaped steel plate card which is welded in advance;
(7) and (5) filling the joint.
2. The construction method according to claim 1, wherein in the step (3), the longitudinal width of the constructional column or the frame is the same as the thickness of the side partition plate; the first U-shaped steel plate clamp is arranged at a position 300-500 mm above the ground, and the distance between the first U-shaped steel plate clamps is less than or equal to 1000 mm.
3. The construction method according to claim 1, wherein in the step (4), the lintel at the inner side of the door opening and two internal corners of the constructional column or the frame are welded and fixed by adopting L-shaped steel plate clamps.
4. The construction method according to claim 1, wherein in the step (4), the longitudinal width of the lintel is the same as the thickness of the top partition wall plate; when the width of the door opening is smaller than 2.1m, the length of the lintel is 500mm added to the width of the door opening, and overhanging parts at two ends of the lintel extend into partition boards at two sides of the door opening.
5. The construction method according to claim 4, wherein, in the step (5),
the width of each side partition board is 600 mm; when the width of the door opening is less than 2.1m, rectangular notches are respectively formed in the side partition plates on two sides of the door opening, the transverse length of each rectangular notch is 250mm, the vertical height of each rectangular notch is the same as the height of the lintel, and the longitudinal width of each rectangular notch is the same as the thickness of the side partition plate.
6. The construction method according to claim 5, wherein in the step (6), the width of the top partition wall board is 600 mm.
7. The construction method according to claim 4, wherein the step (7) is specifically: the side partition boards, the top partition board, the constructional columns, the holding frame, the lintel and joints between adjacent partition boards are all filled and flattened by adopting M10 special bonding materials, after the joints are dried, 200 mm-wide alkali-resistant glass fiber mesh cloth is hung at the abutted seam positions, and 5 mm-thick anti-crack mortar is smeared.
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| CN201811144366.0A CN109339632B (en) | 2018-09-29 | 2018-09-29 | Construction method of light concrete strip plate partition wall door opening |
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| CN201811144366.0A CN109339632B (en) | 2018-09-29 | 2018-09-29 | Construction method of light concrete strip plate partition wall door opening |
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| CN109339632B true CN109339632B (en) | 2020-10-13 |
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| CN110029776A (en) * | 2019-04-03 | 2019-07-19 | 舒浪平 | Batten internal partition wall door opening structure and internal partition wall |
| CN110258922A (en) * | 2019-06-05 | 2019-09-20 | 浙江绿筑集成科技有限公司 | Cast-in-place Constructional Col-umn Construction method is exempted from a kind of integration |
| CN111002463A (en) * | 2019-08-30 | 2020-04-14 | 中国二十冶集团有限公司 | Anti-cracking treatment method for prefabricated door type wallboard |
| CN111622461A (en) * | 2020-06-10 | 2020-09-04 | 中建七局第一建筑有限公司 | Frame-free window auxiliary frame installation method |
| CN113585759A (en) * | 2021-07-21 | 2021-11-02 | 中国建筑一局(集团)有限公司 | Oversized ALC plate door opening structure and construction method thereof |
| CN114059893A (en) * | 2021-11-15 | 2022-02-18 | 中建科技（北京）有限公司 | Connecting structure for heavy door and construction method thereof |
| CN114319651B (en) * | 2021-12-15 | 2024-06-04 | 无锡地铁建设有限责任公司 | ALC partition plate with concrete prefabricated combined door and window frame and construction method |
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| FR2419368A1 (en) * | 1978-03-09 | 1979-10-05 | Sic | Sectional partition of full height hollow sheet metal panels - having ends which mortice onto flanges of fixed U=section post for fixing by bolts |
| CN101603340A (en) * | 2009-07-10 | 2009-12-16 | 中建三局东方装饰设计工程有限公司 | Installation process for autoclaved lightweight concrete board partition wall |
| CN102296827A (en) * | 2010-06-25 | 2011-12-28 | 温宗宣 | Mounting method of light-weight partition wall board |
| CN202658763U (en) * | 2012-06-25 | 2013-01-09 | 中建八局第二建设有限公司 | Plate type light partition wall with reinforced door opening |
| CN102777045A (en) * | 2012-08-09 | 2012-11-14 | 龙信建设集团有限公司 | Construction method for assembling light energy-saving composite wallboards on separation wall |
| CN205557921U (en) * | 2016-04-25 | 2016-09-07 | 中国建筑第八工程局有限公司 | Wallboard and prefabricated constructional column integrated structure of light partition wall |
| CN106592859A (en) * | 2016-12-13 | 2017-04-26 | 山东隆和节能科技股份有限公司 | Interior partition board and construction method |
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