CN117605184B - Connecting wall structure, ultra-long seamless concrete wall and construction method thereof - Google Patents
Connecting wall structure, ultra-long seamless concrete wall and construction method thereof Download PDFInfo
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- CN117605184B CN117605184B CN202410093424.0A CN202410093424A CN117605184B CN 117605184 B CN117605184 B CN 117605184B CN 202410093424 A CN202410093424 A CN 202410093424A CN 117605184 B CN117605184 B CN 117605184B
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- 239000004567 concrete Substances 0.000 title claims abstract description 79
- 238000010276 construction Methods 0.000 title abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
- 239000010959 steel Substances 0.000 claims abstract description 49
- 238000003466 welding Methods 0.000 claims description 17
- 238000009833 condensation Methods 0.000 claims description 15
- 230000005494 condensation Effects 0.000 claims description 13
- 238000004321 preservation Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 abstract description 39
- 238000005336 cracking Methods 0.000 abstract description 18
- 238000007711 solidification Methods 0.000 abstract description 10
- 230000008023 solidification Effects 0.000 abstract description 5
- 230000035939 shock Effects 0.000 description 10
- 230000003014 reinforcing effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
The application relates to the technical field of walls, in particular to a connecting wall structure, an ultralong seamless concrete wall and a construction method thereof. The connecting wall structure comprises a pre-solidifying wall and a post-pouring belt. Each pre-solidifying wall comprises a plurality of layers of opposite two wavy throwing ribs. The post-cast strip comprises a plurality of layers of steel bar frames, and each layer of steel bar frame comprises two opposite wavy horizontal bars and a plurality of vertical annular bars. The trough of two horizontal muscle is connected respectively to the both sides of every annular muscle. The annular ribs of each layer are tangent and fixed with the annular ribs of the adjacent layer one by one. One end of each horizontal rib is connected to the rib of the first wall, the other end of each horizontal rib is connected to the rib of the second wall, the wave crest of each horizontal rib is attached to the wave crest of the rib, and the wave trough of each horizontal rib is attached to the wave trough of the rib. The ultra-long seamless concrete wall body uses the connecting wall structure to connect in sections, so that the anti-seismic performance of the wall body is improved, and the cracking phenomenon between the pre-solidification wall and the post-pouring strip is improved.
Description
Technical Field
The application relates to the technical field of walls, in particular to a connecting wall structure, an ultralong seamless concrete wall and a construction method thereof.
Background
Modern commercial complexes, airports, train stations, factories, agricultural product circulation centers, theatres and other buildings often build very long walls, which are typically over 300 meters in length and are typically poured with full concrete. The ultra-long wall manufactured by the common construction method has poor shock resistance, and the wall has large amplitude and is easy to crack. Some improvement schemes release stress by arranging a plurality of post-cast strips so as to control cracks of the ultra-long wall body. Specifically, when the ultra-long wall body is built, the ultra-long wall body is divided into a plurality of parts during design, a plurality of separated wall bodies are built firstly, after the built wall bodies are solidified and expansion and contraction stress is released, post-pouring concrete is poured between the separated wall bodies, and the separated wall bodies are connected into a whole. However, because the whole wall body is very long, all the post-cast strips adopt the structure of straight steel bar connection, and because the connection firmness between the post-cast strips and the front solidification wall body is inferior to that of an integrally formed wall body, the very long wall body is influenced by factors such as vibration, foundation settlement and the like, and particularly, the cracking phenomenon is easy to occur at the connection positions of some post-cast strips in the middle and the post-cast strips and the front solidification wall body, so that the effect of improving the cracking effect of the very long wall body by adopting the post-cast strip scheme of the straight steel bar connection cannot reach expectations. Still other methods for improving the cracks of the ultra-long wall body are to arrange expansion joints, settlement joints, shockproof joints and the like, however, the arrangement of the joints can reduce the firmness of the wall body, and after the wall body is used for a long time, the joints are easy to crack and infiltrate, and the later maintenance is more complicated.
Disclosure of Invention
In view of the fact that only a general post-cast strip is arranged on an ultra-long wall body, cracking phenomenon is easy to occur in part of the interior of the post-cast strip and at the connecting position of part of the post-cast strip and a front solidification wall body, and the conditions that an expansion joint, a settlement joint and a shock-proof joint are easy to crack and permeate water are provided, the application provides a connecting wall structure, an ultra-long seamless concrete wall body and a construction method of the ultra-long wall body, and aims to improve the adverse phenomenon.
In a first aspect, the present application proposes a connection wall structure, and adopts the following technical scheme.
A connecting wall structure comprises a first-setting wall and a post-pouring belt; the post-pouring belt is connected with the pre-set walls at two sides; each pre-setting wall comprises pre-setting concrete and a plurality of layers of connecting rib groups, wherein the plurality of layers of connecting rib groups extend out of the pre-setting concrete, and each layer of connecting rib groups comprises two opposite wavy throwing ribs; the post-cast strip comprises a plurality of layers of steel bar frames, and each layer of steel bar frame comprises two opposite wavy horizontal bars and a plurality of vertical annular bars. Each horizontal rib is provided with a first crest and a first trough which are alternately connected; the two sides of each annular rib are respectively connected with the first trough of each horizontal rib opposite to the same layer; on the same vertical direction, each annular rib is fixed in a tangent mode with the annular ribs of the adjacent layers, so that a plurality of annular ribs of each layer are fixed in a one-to-one tangent mode with a plurality of annular ribs of the adjacent layers. The throwing rib is provided with a second wave crest and a second wave trough which are alternately connected; one end of each horizontal rib is connected to the rib throwing of one side of the first condensation wall, the other end of each horizontal rib is connected to the rib throwing of the other side of the first condensation wall, the first wave crest is attached to the second wave crest, and the first wave trough is attached to the second wave trough.
Through adopting above-mentioned technical scheme, on each layer of steel bar frame, wavy horizontal muscle is fixed in the both sides of a plurality of annular muscle for each layer of steel bar frame forms integrated structure, on adjacent layer, and every layer the annular muscle is vertical fixed in proper order, makes the multilayer the steel bar frame is fixed each other, forms integrated multilayer steel bar frame, and whole multilayer steel bar frame structure is firm, has toughness, can cushion vibration wave when vibrations, has promoted the shock resistance of wall body. The annular ribs can be round, oval, standard runway-shaped and the like, and have the damping performance. The wavy horizontal ribs and the wavy annular ribs can buffer impact and vibration perpendicular to the wall, so that the earthquake resistance of the post-cast strip is improved, and the cracking phenomenon of the post-cast strip is improved. And because the first wave crest is attached to the second wave crest, and the first wave trough is attached to the second wave trough, the horizontal ribs and the swinging ribs are firmly connected, the anti-seismic performance of the wall body is improved, and the cracking phenomenon between the first solidifying wall and the post-pouring belt is improved.
As an improvement of the connecting wall structure, the mutual alignment mode of the two opposite throwing ribs of each layer is that the second crest of one throwing rib is opposite to the second crest of the other throwing rib, and the second trough of one throwing rib is opposite to the second trough of the other throwing rib. The shapes of all the second wave crests of each throwing rib and all the first wave crests of each horizontal rib are the same; all second wave troughs of each throwing rib and all first wave troughs of each horizontal rib are identical in shape.
Through adopting above-mentioned technical scheme, first crest and second crest shape are the same, and first trough and second trough shape are the same to horizontal muscle is fixed with getting rid of the laminating of muscle, can vibrate with the same frequency, when the wall body receives vibrations, striking and foundation subsidence effect, congeals earlier and waters the area and can vibrate with the same frequency and remove in step, compare in straight muscle connection, has the effect of buffering vibrations, has effectively prevented the fracture of congealing earlier wall and later waters the area junction, reduces the probability of wall body fracture.
As an improvement of the connecting wall structure, the two opposite throwing ribs of each layer and the two opposite horizontal ribs of each layer are on the same surface, and the two opposite horizontal ribs of each layer are positioned on the inner sides of the two opposite throwing ribs of each layer; in each layer of the reinforcement frame, all the annular ribs are parallel to each other, and each of the annular ribs is vertically connected to the horizontal rib.
Through adopting above-mentioned technical scheme, because horizontal muscle is located the inboard of getting rid of the muscle to the horizontal muscle of annular muscle connection both sides makes annular muscle not interfere horizontal muscle and get rid of the muscle laminating, makes the steel bar frame with get rid of the connection structure of muscle firm, and the shock resistance is good, improves wall body fracture phenomenon.
As an improvement of the connecting wall structure, each layer of the steel bar frame also comprises a plurality of clamping blocks; the clamping blocks are fixedly arranged at a plurality of first wave crests at the two ends of each horizontal rib; the clamping blocks clamp the second wave crests so that the horizontal ribs and the throwing ribs are mutually attached and fixed.
Through adopting above-mentioned technical scheme, get rid of the muscle with the clamp splice centre gripping on the horizontal muscle, effectively prevent horizontal muscle and get rid of the horizontal lateral sliding of muscle for getting rid of the level, promote horizontal muscle and get rid of the connection fastness of muscle to promote earlier congeal the connection fastness and the vibrations homofrequency nature of wall and post-cast strip, when the wall body receives vibrations, striking and foundation subsidence effect, earlier congeal wall and post-cast strip and can shake with the homofrequency and remove in step, effectively prevented earlier congeal the cracking phenomenon of wall and post-cast strip junction.
As an improvement of the connecting wall structure, the post-pouring strip further comprises four vertical side plates; two opposite horizontal ribs of each layer of the steel bar frame are provided with four end points, the plurality of layers of the steel bar frames form four groups of end point groups which are vertically arranged, and each vertical side plate is respectively connected with one group of end point groups which are vertically arranged; a plurality of layers of clamping blocks are arranged on each vertical side plate; the throwing ribs of each layer are attached to the vertical side plates and clamped and fixed by the clamping blocks of each layer.
Through adopting above-mentioned technical scheme, the muscle is got rid of in the connection of horizontal muscle both ends through perpendicular sideboard, and sound construction is difficult for the slippage.
As an improvement of the connecting wall structure, the annular rib and the first trough are mutually welded and fixed; the annular ribs of adjacent layers are mutually welded and fixed; the horizontal ribs are provided with clamping blocks in a welding mode; the end points of the horizontal ribs are welded on the side edges of the vertical side plates; and clamping blocks are welded on the surface of the vertical side plate.
Through adopting above-mentioned technical scheme, the extreme point welding of horizontal muscle is in on the side edge of perpendicular sideboard, the welding clamp splice on the face of perpendicular sideboard, and every layer get rid of the muscle laminating and be in on the perpendicular sideboard, get rid of the muscle and be held fixedly by the clamp splice of each layer, make get rid of the muscle draw forth can with the neat laminating of horizontal muscle behind the perpendicular sideboard. All parts of the steel bar frame are fixed together in a welding mode, and the multi-layer steel bar frame is welded with the vertical side plates, so that the multi-layer steel bar frame of the post-cast strip is combined to form a fixed whole, the installation steps of binding are reduced, the welding is firmer relative to the binding structure, the welded structure is firmer, and the stress resistance and the shock resistance are stronger.
As an improvement of the connecting wall structure, each pre-setting concrete is provided with two vertical grooves, and the horizontal section of each groove is -shaped; on each layer, one of the throwing ribs extends out of one groove, and the other throwing rib extends out of the other groove, so that the throwing ribs of all layers extend out of two grooves. The vertical side plates are inserted into the grooves and are attached to the throwing ribs, and are mutually fixed through the clamping blocks; the post-cast strip comprises post-cast concrete, and the post-cast concrete wraps the steel bar frames of each layer and fills the grooves.
By adopting the technical scheme, the shearing resistance of the joint of the first-solidification wall and the post-pouring belt is stronger, the connection is firmer, and the anti-seismic and anti-cracking performances are better.
In a second aspect, the application also provides an ultra-long seamless concrete wall body, and provides the following technical scheme.
An ultra-long seamless concrete wall body is provided with at least one group of connecting wall structures at intervals of 150 meters.
Through adopting above-mentioned technical scheme, above-mentioned connecting wall structure can effectively absorb vibration energy, and this connecting wall structure self is difficult to fracture to can protect adjacent wall body, make it also be difficult to fracture.
As an improvement of the ultra-long seamless concrete wall, the ultra-long seamless concrete wall further comprises a waterproof layer and a waterproof strip; the waterproof layer is coated on the outer sides of the pre-condensation wall and the post-pouring belt, the waterproof strip is attached to the outer layer of the waterproof layer and faces to the connecting part of the pre-condensation wall and the post-pouring belt. The ultra-long seamless concrete wall body further comprises an outer concrete wall, a heat preservation strip and a heat preservation layer; the outer concrete wall covers the outer side of the waterproof layer and covers the waterproof strip; the heat preservation strips are embedded into the outer wall of the outer concrete wall and are opposite to the waterproof strips; the heat preservation layer covers the outer side of the outer concrete wall and covers the waterproof strip.
By adopting the technical scheme, the waterproof layer improves the water seepage resistance of the whole wall body, and the waterproof strip further improves the water seepage resistance between the post-pouring strip and the front solidifying wall. The heat preservation strip embedded into the outer concrete wall and opposite to the waterproof strip promotes crack resistance between the pre-setting wall and the post-pouring strip. The heat insulation layer covered on the outer side of the outer concrete wall blocks sunlight in summer, so that the indoor temperature is kept relatively low, and the indoor heat insulation can be realized in winter.
In a third aspect, the application also provides a construction method of the ultra-long seamless concrete wall body, and the following technical scheme is adopted.
A construction method of the ultra-long seamless concrete wall body, the construction method comprising:
Preparing wavy throwing ribs;
Pouring the pre-setting wall so that the wavy throwing ribs extend out of the pre-setting concrete;
Prefabricating the multi-layer steel bar frame: sequentially and tangentially welding a plurality of annular ribs in the longitudinal direction to form a series of interlinks, wherein the annular ribs on the interlinks are on the same plane, a plurality of identical series of annular ribs are prepared, and different series of interlinks are arranged in a mode that annular surfaces are parallel and opposite to the annular surfaces; preparing a plurality of same wavy horizontal ribs, wherein a plurality of first wave troughs of each horizontal rib are welded on the same side of a plurality of annular ribs of the same transverse row, the other side of the plurality of annular ribs of the same transverse row is symmetrically welded with a plurality of first wave troughs of another horizontal rib, and the multi-layer reinforcing steel bar frame with two horizontal ribs symmetrically welded on the two sides of the annular rib of each transverse row is obtained by continuous welding;
attaching each layer of the steel bar frames one by one to connect each layer of the swinging bars;
And pouring concrete to wrap the multi-layer steel bar frame and all the throwing bars, wherein the poured concrete is also connected with the pre-set walls at two sides.
Through adopting above-mentioned technical scheme, congeal earlier that the wall stretches out the wavy muscle of getting rid of, prefabricate integral type multilayer reinforcing bar frame, promote the orderly nature and the convenience of site operation, this prefabricated multilayer reinforcing bar frame structure is firm, and multilayer reinforcing bar frame is mainly formed by connecting of wavy horizontal muscle and vertical annular muscle, and multilayer reinforcing bar frame still with get rid of the wavy of muscle carrying out the adaptation and connect, can absorb the vibration wave, promote concrete wall's shock resistance, make the wall body be difficult to fracture.
In summary, the connecting wall structure, the ultra-long seamless concrete wall and the construction method thereof have the following beneficial effects:
In the connecting wall structure, on each layer of steel bar frame, wavy horizontal muscle is fixed in the both sides of a plurality of annular muscle for each layer of steel bar frame forms integrated structure, on adjacent layer, and every layer the annular muscle is vertical fixed in proper order, makes the multilayer the steel bar frame is fixed each other, forms integrated multilayer steel bar frame, and whole multilayer steel bar frame structure is firm, has toughness, can cushion vibration wave when vibrations, has promoted the shock resistance of wall body. The annular ribs can be round, oval, standard runway-shaped and the like, and have the damping performance. The wavy horizontal ribs and the wavy annular ribs can buffer impact and vibration perpendicular to the wall, so that the earthquake resistance of the post-cast strip is improved, and the cracking phenomenon of the post-cast strip is improved. And because the first wave crest is attached to the second wave crest, and the first wave trough is attached to the second wave trough, the horizontal ribs and the swinging ribs are firmly connected, the anti-seismic performance of the wall body is improved, and the cracking phenomenon between the first solidifying wall and the post-pouring belt is improved.
The super-long seamless concrete wall body is provided with at least one group of connecting wall structures at intervals of 150 meters, so that vibration energy can be effectively absorbed, the connecting wall structures are not easy to crack, and adjacent walls can be protected, so that the connecting wall structures are not easy to crack.
In this overlength seamless concrete wall's construction method, prefabricate integral type multilayer steel bar rack, promote the orderly nature and the convenience of site operation, this prefabricated multilayer steel bar rack structure is firm, and multilayer steel bar rack is mainly formed by wavy horizontal muscle and vertical annular muscle connection, and multilayer steel bar rack still carries out the wave connection of adaptation with getting rid of the muscle, can absorb the vibration wave, promotes concrete wall's shock resistance, makes the wall body be difficult to fracture.
Drawings
Fig. 1 is a schematic top view of a structure of a connecting wall.
Fig. 2 is a block diagram of the structure of the connecting wall of fig. 1 with the post-pouring cement hidden.
Fig. 3 is a perspective view of the connecting wall structure of fig. 1 after being horizontally sectioned.
Fig. 4 is an enlarged view of area a of fig. 2.
Fig. 5 is a perspective view of fig. 2.
Fig. 6 is an enlarged view of the structure of the pre-wall in fig. 2.
Fig. 7 is another view from the side of fig. 5 after hiding the pre-set concrete.
Fig. 8 is an enlarged view of region B of fig. 7.
Reference numerals: the concrete wall comprises a first concrete wall 1, a post-pouring belt 2, a first concrete 11, a casting rib 12, a post-pouring cement 25, horizontal ribs 21, annular ribs 22, first wave crests 211, first wave troughs 212, second wave crests 121, second wave troughs 122, clamping blocks 23, vertical side plates 24, grooves 111, waterproof layers 3, waterproof strips 4, an outer concrete wall 5, heat preservation strips 6 and heat preservation layers 7.
Detailed Description
Some embodiments of the connecting wall structure, the ultra-long seamless concrete wall body and the construction method thereof according to the present application are described below with reference to the accompanying drawings.
Referring to fig. 1, a connecting wall structure includes pre-cast walls 1 on both sides and a post-cast strip 2 in the middle. The post-pouring belt 2 is connected with the pre-setting walls 1 at two sides.
Referring to fig. 2, each pre-set wall 1 includes pre-set concrete 11 and a plurality of layers of connecting rib groups from top to bottom, wherein the plurality of layers of connecting rib groups extend out of the pre-set concrete 11. Each layer of connecting rib group comprises two opposite wavy throwing ribs 12.
Referring to fig. 3, the post-cast strip 2 includes post-cast cement 25, and as seen in connection with fig. 2, the post-cast strip 2 further includes a multi-layered reinforcement frame, the multi-layered reinforcement frame being surrounded by the post-cast cement 25. Each layer of the reinforcing steel bar frame comprises two opposite wavy horizontal ribs 21 and a plurality of vertical annular ribs 22.
Referring to fig. 4, each horizontal rib 21 has first peaks 211 and first valleys 212 alternately connected. The two sides of each annular rib 22 are respectively connected to two first wave troughs 212 opposite to each other. The line connecting the two sides of the annular rib 22 may be the horizontal diameter of the annular rib 22.
Referring to fig. 5, when the multi-layered reinforcing bar frame is erected in the same vertical direction, that is, in the vertical direction from top to bottom, each annular rib 22 is tangentially fixed to the annular rib 22 of the adjacent layer, so that the plurality of annular ribs 22 of each layer and the plurality of annular ribs 22 of the adjacent layer are tangentially fixed one to one, and preferably, the annular ribs 22 in the same vertical direction are on the same plane. The annular rib 22 can be round, oval, standard racetrack, etc., and has cushioning properties. The horizontal ribs 21 may be sinusoidal in shape.
Referring to fig. 6, the bead 12 has second peaks 121 and second valleys 122 alternately connected, and may be sinusoidal. One end of each horizontal rib 21 is connected to the slinging rib 12 of the one-side first-condensation wall 1, the other end of each horizontal rib 21 is connected to the slinging rib 12 of the other-end first-condensation wall 1, the first wave crest 211 is attached to the second wave crest 121, and the first wave trough 212 is attached to the second wave trough 122.
In the above-mentioned connection wall structure, the first wave crest 211 and the second wave crest 121 are located at opposite outer sides, and the first wave trough 212 and the second wave trough 122 are located at opposite inner sides.
In the connection structure of the post-pouring strip 2 and the pre-pouring wall 1, on each layer of steel bar frame, wavy horizontal ribs 21 are fixed on two sides of a plurality of annular ribs 22, so that each layer of steel bar frame forms an integrated structure, on the adjacent layers, the annular ribs 22 of each layer are sequentially and vertically fixed, so that the multi-layer steel bar frames are mutually fixed to form an integrated multi-layer steel bar frame, the whole multi-layer steel bar frame is firm in structure and has toughness, vibration waves can be buffered during vibration, and the anti-seismic performance of the wall is improved. The wavy horizontal ribs 21 and the wavy annular ribs 22 can buffer impact and vibration perpendicular to the wall, so that the earthquake resistance of the post-cast strip 2 is improved, and the cracking phenomenon of the post-cast strip 2 is improved. And because the first wave crest 211 is attached to the second wave crest 121, and the first wave trough 212 is attached to the second wave trough 122, the horizontal rib 21 and the swinging rib 12 are firmly connected, the anti-seismic performance of the wall body is improved, and the cracking phenomenon between the pre-cast wall 1 and the post-cast strip 2 is improved.
Referring to fig. 4, in order to make the connection between the horizontal rib 21 and the whipping rib 12 have good tightness and vibration uniformity, two whipping ribs 12 opposite to each other in each layer may be set, wherein the second peak 121 of one whipping rib 12 faces the second peak 121 of the other whipping rib 12, and the second trough 122 of one whipping rib 12 faces the second trough 122 of the other whipping rib 12. Each layer of two opposite horizontal ribs 21, wherein the first crest 211 of one horizontal rib 21 is opposite to the first crest 211 of the other horizontal rib 21, and the first trough 212 of one horizontal rib 21 is opposite to the first trough 212 of the other horizontal rib 21. The second peak 121 and the first peak 211 are identical in shape. The second trough 122 and the first trough 212 are both the same shape. The first peaks 211 may also be 180 rotationally symmetric with the first valleys 212. The first peaks 211 are adjacent to the second peaks 121 and the first valleys 212 are adjacent to the second valleys 122. The fit is a lateral fit such that the horizontal bars 21 and the slinging bars 12 are on the same horizontal plane. The horizontal rib 21 and the throwing rib 12 after being attached can vibrate at the same frequency, when the wall body is subjected to vibration, impact and foundation settlement, the first-pouring wall 1 and the later-pouring belt 2 can vibrate and move at the same frequency, so that the cracking phenomenon of the joint of the first-pouring wall 1 and the later-pouring belt 2 is effectively prevented, and the cracking phenomenon of the wall body is improved.
One relative positional relationship between the horizontal rib 21 and the slinging rib 12, and between the horizontal rib 21 and the annular rib 22 may be that two opposite horizontal ribs 21 of each layer are located on the inner sides of two opposite slinging ribs 12. All the annular ribs 22 of each layer are parallel to each other, the annular ribs 22 being perpendicular to the horizontal ribs 21. The annular ribs 22 are connected with the horizontal ribs 21 on two sides, and the horizontal ribs 21 are positioned on the inner side of the swinging ribs 12, so that the horizontal ribs 21 can be well attached to the swinging ribs 12, interference is reduced, the connection structure of the reinforcing steel bar frame and the swinging ribs 12 is firm, the shock resistance is good, and the cracking phenomenon of a wall body is well improved.
Referring to fig. 4, in order to reduce the probability of horizontal sideslip of the horizontal bar 21 and the slinging bar 12, each layer of the reinforcing bar frame is provided with a plurality of clamping blocks 23. The clamping blocks 23 are fixedly arranged at a plurality of first wave crests 211 at two ends of each horizontal rib 21. The clamping blocks 23 clamp the second wave crests 121 so that the horizontal ribs 21 and the throwing ribs 12 are mutually attached and fixed. Each clamping block 23 can be formed by vertically welding two parallel plates on the horizontal rib 21 to form a -shaped structure, and the clamping blocks 23 are adapted to clamp the second wave crest 121. The diameters of the horizontal ribs 21 and the swinging ribs 12 are preferably equal, so that the clamping blocks 23 can be matched to clamp the swinging ribs 12, the horizontal ribs 21 and the swinging ribs 12 can be flush and fit, the whole thickness is uniform, and the structure is stable. Clamping blocks 23 on the horizontal ribs 21 are used for clamping the swinging ribs 12, so that horizontal transverse sliding of the horizontal ribs 21 relative to the swinging ribs 12 is effectively prevented, connection firmness of the horizontal ribs 21 and the swinging ribs 12 is improved, connection firmness and vibration co-frequency performance of the pre-condensation wall 1 and the post-pouring strip 2 are improved, and when a wall body is subjected to vibration, impact and foundation settlement, the pre-condensation wall 1 and the post-pouring strip 2 can vibrate and move at the same frequency, and cracking phenomenon of the joint of the pre-condensation wall 1 and the post-pouring strip 2 is effectively prevented.
Referring to fig. 7, in order to improve the stability of the multi-layered reinforcement frame and the connection between the multi-layered reinforcement frame and the swinging bars 12, four vertical plates 24 are further added to the post-cast strip 2.
Referring to fig. 8, each of the vertical side plates 24 connects the same ends of the horizontal ribs 21 of each layer. Each vertical side plate 24 is provided with a plurality of layers of clamping blocks 23 from top to bottom. The throwing rib 12 of each layer is attached to the vertical side plate 24 and is clamped and fixed by the clamping blocks 23 of each layer. Preferably, the vertical side plates 24 are perpendicular to the horizontal ribs 21 of each layer. The two ends of the horizontal rib 21 are connected with the throwing rib 12 through the vertical side plates 24, so that the structure is firm and the sliding is not easy.
The manner in which the various components of the rebar rack are connected, and the rebar rack and the riser 24 may be such that the annular rib 22 and the first trough 212 are secured by welding. The annular ribs 22 of adjacent layers are secured by welding. Clamping blocks 23 are welded on the upper side and the lower side of the horizontal rib 21. The horizontal ribs 21 of each layer are welded to the side edges of the vertical side plates 24. The clamping blocks 23 are welded on the surface of the vertical side plate 24. The parts of the reinforcement frame are fixed together in a welding mode, and the multi-layer reinforcement frame is welded with the vertical side plates 24, so that the multi-layer reinforcement frame of the post-cast strip 2 is combined to form a fixed whole, the installation steps of binding are reduced, the welding is firmer relative to the binding structure, the welding structure is firmer, and the stress resistance and the shock resistance are stronger.
Referring to fig. 6, in order to enhance the firmness of the joint between the pre-cast wall 1 and the post-cast strip 2, each pre-cast concrete 11 has two vertical grooves 111, and the horizontal cross section of each groove 111 is . On each layer, one of the slinging bars 12 extends out of one groove 111 and the other slinging bar 12 extends out of the other groove 111, so that the slinging bars 12 of all layers extend out of both grooves 111. Referring to fig. 4, the vertical plates 24 are inserted into the grooves 111 and attached to the slinging bars 12, and are fixed to each other by the clamping blocks 23. The post-cast strip 2 comprises post-cast concrete, and the post-cast concrete wraps the steel bar frame of each layer and fills the groove 111, so that the shearing resistance of the joint of the pre-cast wall 1 and the post-cast strip 2 is stronger, the connection is firmer, and the anti-seismic and anti-cracking performances are better.
An ultra-long seamless concrete wall body is provided with at least one group of connecting wall structures at intervals of 150 meters. The connecting wall structure can effectively absorb vibration energy, is not easy to crack, and can protect adjacent walls, so that the connecting wall structure is not easy to crack.
When the ultra-long seamless concrete wall is designed, the ultra-long wall can be divided into a plurality of mutually connected walls, namely, a plurality of first-solidification walls are built, namely, first-solidification walls 1 are built, then reinforcing steel bars are connected between the first-solidification walls 1, concrete is poured, and the connecting reinforcing steel bars and the concrete between the first-solidification walls 1 are the components of the post-pouring strip 2. For example, when the super-long wall is designed, the super-long wall is divided into independent units with the length of 100-150 meters, the opposite end of each independent unit is designed into a pre-condensation wall 1 structure in the above connecting wall structure, and the independent units are connected through post-pouring belts 2 in the above connecting wall structure. In each independent unit, a conventional post-cast strip 2 of 0.8-1 m can be arranged every 30m, for example, the conventional post-cast strip 2 can be fixed by means of transverse and longitudinal connection of straight reinforcing steel bars and concrete pouring, and the conventional post-cast strip 2 can be replaced by the post-cast strip 2 in the connecting wall structure. The length of the post-cast strip 2 in the connection wall structure may be 4m.
Referring to fig. 4, in order to improve the impermeability of the pre-cast wall 1 and the post-cast strip 2, the ultra-long seamless concrete wall is further provided with a waterproof layer 3 and a waterproof strip 4. The waterproof layer 3 is coated on the outer sides of the pre-cast wall 1 and the post-cast strip 2, the waterproof strip 4 is attached to the outer layer of the waterproof layer 3 and is opposite to the connecting part of the pre-cast wall 1 and the post-cast strip 2. The waterproof layer 3 improves the water seepage resistance of the whole wall body, and the waterproof strip 4 further improves the water seepage resistance between the post-pouring strip 2 and the front wall.
Referring to fig. 4, in order to improve the heat and cold resistance of the wall, the ultra-long seamless concrete wall is further provided with an outer concrete wall 5, a heat insulation strip 6 and a heat insulation layer 7. The outer concrete wall 5 is covered on the outside of the waterproof layer 3 and covers the waterproof strip 4. The heat preservation strips 6 are embedded into the outer wall of the outer concrete wall 5 and are opposite to the waterproof strips 4. The heat insulating layer 7 covers the outside of the outer concrete wall 5 and covers the waterproof strip 4. Insulation strips 6 embedded in the outer concrete wall 5 and facing the waterproof strips 4 promote crack resistance between the pre-set wall 1 and the post-cast strip 2. The insulation layer 7 covered on the outer side of the outer concrete wall 5 reduces the indoor temperature in summer and increases the indoor temperature in winter.
The construction method of the ultra-long seamless concrete wall comprises the following steps:
Preparing wavy throwing ribs 12;
pouring the pre-setting wall 1 so that the wavy throwing ribs 12 extend out of the pre-setting concrete 11;
Prefabricating a multi-layer steel bar frame: sequentially and tangentially welding a plurality of annular ribs 22 into a series of interlinks, wherein the annular ribs 22 on the interlinks are on the same plane, a plurality of identical series of annular ribs 22 are prepared, and each series of annular ribs 22 are longitudinally arranged and fixed in a mode that annular surfaces are parallel to each other; preparing a plurality of same wavy horizontal ribs 21, wherein a plurality of first wave troughs 212 of each horizontal rib 21 are welded on one side of a plurality of annular ribs 22 of the same transverse row, the other side of the plurality of annular ribs 22 of the same transverse row is symmetrically welded with a plurality of first wave troughs 212 of the other horizontal rib 21, and continuous welding is carried out to obtain a multi-layer reinforcing steel bar frame with two horizontal ribs 21 symmetrically welded on two sides of each transverse row of annular ribs 22;
Connecting the multi-layer reinforcement frame to the multi-layer throwing rib 12, so that the first wave crest 211 is attached to the second wave crest 121, and the first wave trough 212 is attached to the second wave trough 122;
the multi-layer steel bar frame and all the throwing ribs 12 are wrapped by the poured concrete, and the poured concrete is also connected with the pre-set walls 1 on two sides.
In the construction method, the prefabricated multi-layer steel bar frame is moved to the site for installation, the order and convenience of site construction are improved, the prefabricated multi-layer steel bar frame is stable in structure and mainly formed by connecting wavy horizontal bars 21 and vertical annular bars 22, the multi-layer steel bar frame is also connected with the throwing bars 12 in an adaptive wavy manner, vibration waves can be absorbed, the anti-seismic performance of the concrete wall is improved, and the wall is not easy to crack.
This overlength concrete wall body need not set up the gap, through setting up post-cast strip 2 that above wave reinforcing bar and annular reinforcing bar combined together, can absorb shock wave, promotes the crack resistance of wall body in vibrations, and the inside and post-cast strip 2 of post-cast strip 2 and preceding solidification wall body hookup location are difficult to appear cracking phenomenon.
The above embodiments are merely examples of the present application, and the protection scope of the present application is not limited to the above embodiments, and it should be obvious to those skilled in the art that several modifications and variations are possible without departing from the inventive concept.
Claims (10)
1. The connecting wall structure is characterized by comprising a pre-solidifying wall (1) and a post-pouring belt (2); the post-pouring belt (2) is connected with the pre-condensation walls (1) at two sides; each pre-setting wall (1) comprises pre-setting concrete (11) and a plurality of layers of connecting rib groups, each layer of connecting rib group extends out of the pre-setting concrete (11), and each layer of connecting rib group comprises two opposite wavy throwing ribs (12); the post-cast strip (2) comprises a plurality of layers of steel bar frames, wherein each layer of steel bar frame comprises two opposite wavy horizontal ribs (21) and a plurality of vertical annular ribs (22);
Each horizontal rib (21) is provided with a first crest (211) and a first trough (212) which are alternately connected; the first peaks (211) and the first valleys (212) are both located in a horizontal plane; on the same horizontal rib (21), the first trough (212) is positioned at a position closer to the middle of the wall body than the first crest (211);
Both sides of each annular rib (22) are respectively connected with a first trough (212) of each horizontal rib (21) opposite to the same layer; in the same vertical direction, each annular rib (22) is fixed in a tangent manner with the annular ribs (22) of the adjacent layers, so that a plurality of annular ribs (22) of each layer are fixed in a tangent manner with a plurality of annular ribs (22) of the adjacent layers;
The throwing rib (12) is provided with second wave crests (121) and second wave troughs (122) which are alternately connected; the second wave crest (121) and the second wave trough (122) are both positioned in a horizontal plane; on the same swinging rib (12), the second wave trough (122) is positioned at a position closer to the middle of the wall body relative to the second wave crest (121);
One end of each horizontal rib (21) is connected to the rib (12) of one-side pre-condensation wall (1), the other end of each horizontal rib (21) is connected to the rib (12) of the other-end pre-condensation wall (1), the first wave crest (211) is attached to the second wave crest (121), and the first wave trough (212) is attached to the second wave trough (122).
2. The connecting wall structure according to claim 1, wherein the two opposite slinging bars (12) of each layer are aligned with each other in such a way that the second crest (121) of one of the slinging bars (12) is opposite to the second crest (121) of the other slinging bar (12), and the second trough (122) of one of the slinging bars (12) is opposite to the second trough (122) of the other slinging bar (12);
The shapes of all second wave crests (121) of each throwing rib (12) and all first wave crests (211) of each horizontal rib (21) are the same; all second wave troughs (122) of each throwing rib (12) and all first wave troughs (212) of each horizontal rib (21) are identical in shape.
3. The connecting wall structure according to claim 1, characterized in that the two opposite slinging bars (12) and the two opposite horizontal bars (21) of each layer are on the same face, and the two opposite horizontal bars (21) of each layer are located inside the two opposite slinging bars (12) of each layer; in each layer of the reinforcement frame, all annular ribs (22) are parallel to each other, and each annular rib (22) is vertically connected to the horizontal rib (21).
4. A connecting wall structure according to any one of claims 1-3, wherein each layer of the rebar rack further comprises a plurality of clips (23); the clamping blocks (23) are fixedly arranged at a plurality of first wave crests (211) at the two ends of each horizontal rib (21); the clamping blocks (23) clamp the second wave crests (121) so that the horizontal ribs (21) and the throwing ribs (12) are mutually attached and fixed.
5. The connecting wall structure according to claim 4, wherein the post-cast strip (2) further comprises four riser plates (24); two opposite horizontal ribs (21) of each layer of the steel bar frame are provided with four end points, the plurality of layers of the steel bar frames form four groups of end point groups which are vertically arranged, and each vertical side plate (24) is respectively connected with one group of end point groups which are vertically arranged; each vertical side plate (24) is provided with a plurality of layers of clamping blocks (23); the throwing ribs (12) of each layer are attached to the vertical side plates (24) and clamped and fixed by the clamping blocks (23) of each layer.
6. The connecting wall structure according to claim 5, characterized in that said annular rib (22) and said first trough (212) are mutually welded and fixed; the annular ribs (22) of adjacent layers are mutually welded and fixed; the horizontal ribs (21) are provided with clamping blocks (23) in a welding mode; the end points of the horizontal ribs (21) are welded on the side edges of the vertical side plates (24); the clamping blocks (23) are welded on the surface of the vertical side plate (24).
7. The structure of a connecting wall according to claim 6, characterized in that each pre-set concrete (11) has two vertical grooves (111), the horizontal section of the grooves (111) being -shaped; on each layer, one of the throwing ribs (12) extends out of one groove (111), and the other throwing rib (12) extends out of the other groove (111), so that the throwing ribs (12) of all layers extend out of the two grooves (111);
the vertical side plates (24) are inserted into the grooves (111) and are attached to the throwing ribs (12), and are mutually fixed through the clamping blocks (23); the post-cast strip (2) comprises post-cast concrete which wraps the reinforcement cage of each layer and fills the grooves (111).
8. An ultra-long seamless concrete wall body, wherein at least one set of the connecting wall structures according to any one of claims 1 to 7 is provided every 150 m.
9. The ultra-long seamless concrete wall according to claim 8, wherein the ultra-long seamless concrete wall further comprises a waterproof layer (3) and a waterproof strip (4); the waterproof layer (3) is coated on the outer sides of the pre-condensation wall (1) and the post-pouring belt (2), the waterproof strip (4) is attached to the outer layer of the waterproof layer (3), and the waterproof strip is opposite to the connecting part of the pre-condensation wall (1) and the post-pouring belt (2);
The ultra-long seamless concrete wall body further comprises an outer concrete wall (5), a heat preservation strip (6) and a heat preservation layer (7); the outer concrete wall (5) is covered on the outer side of the waterproof layer (3) and covers the waterproof strip (4); the heat preservation strip (6) is embedded into the outer wall of the outer concrete wall (5) and is opposite to the waterproof strip (4); the heat insulation layer (7) is covered on the outer side of the outer concrete wall (5) and covers the waterproof strip (4).
10. A method of constructing an ultra-long seamless concrete wall according to claim 8 or 9, comprising:
Preparing wavy throwing ribs (12);
pouring the pre-setting wall (1) so that the wavy throwing ribs (12) extend out of the pre-setting concrete (11);
Prefabricating the multi-layer steel bar frame: a plurality of annular ribs (22) are welded into a series of interlinks in a longitudinal direction in a sequential tangential mode, the annular ribs (22) on the interlinks are on the same plane, a plurality of identical series of annular ribs (22) are prepared, and different series of interlinks are arranged in a mode that annular surfaces are parallel and opposite to the annular surfaces; preparing a plurality of same wavy horizontal ribs (21), wherein a plurality of first wave troughs (212) of each horizontal rib (21) are welded on the same side of a plurality of annular ribs (22) of the same transverse row, the other side of the plurality of annular ribs (22) of the same transverse row is symmetrically welded with a plurality of first wave troughs (212) of the other horizontal rib (21), and the multi-layer reinforcing steel bar frame with two horizontal ribs (21) symmetrically welded on two sides of the annular ribs (22) of each transverse row is obtained by continuous welding;
attaching each layer of the steel bar frames one by one to connect each layer of the throwing bars (12);
And pouring concrete to wrap the multi-layer steel bar frame and all the throwing ribs (12), wherein the poured concrete is also connected with the pre-set walls (1) at two sides.
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