CN114197912B - Construction structure for opening hole behind basement civil air defense wall - Google Patents
Construction structure for opening hole behind basement civil air defense wall Download PDFInfo
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- CN114197912B CN114197912B CN202111580811.XA CN202111580811A CN114197912B CN 114197912 B CN114197912 B CN 114197912B CN 202111580811 A CN202111580811 A CN 202111580811A CN 114197912 B CN114197912 B CN 114197912B
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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
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0222—Replacing or adding wall ties
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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
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
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Abstract
The utility model relates to a construction structures who opens hole behind basement civil air defense wall belongs to the field of the construction technology of opening the hole after, and it is including offering wall hole and the pre-buried reinforcing bar in the wall body on the wall body, and the wall body all is equipped with the steel sheet at the both ends in wall hole, and steel sheet and reinforcing bar welded fastening have seted up the slip casting mouth on the steel sheet, have pour the concrete between two steel sheets. This application has the effect that increases wall body bearing capacity in wall opening position.
Description
Technical Field
The application relates to the field of rear opening construction technology, in particular to a construction structure of a rear opening of a basement civil air defense wall.
Background
The civil air defense engineering refers to an underground protective building which is independently built for guaranteeing shelter of war time personnel and materials, civil air defense command and medical aid, and a basement which is built by combining ground buildings and can be used for air defense in war time.
Due to the particularity of the application scene of the civil air defense project, the requirement on the load which can be borne by the wall body of the basement is very high, so that when the wall body is dug due to the arrangement of lines, pipelines and the like, the bearing performance of the wall body at the position can be influenced by the dug wall hole, and the wall hole needs to be plugged in time.
Disclosure of Invention
In order to improve the wall body and put bearing performance by the reduction in wall opening position, this application provides the construction structures who opens a hole behind basement civil air defense wall.
The application provides a construction structures who opens hole behind basement civil air defense wall adopts following technical scheme:
the utility model provides a construction structures in opening hole behind basement civil air defense wall, is including offering wall hole and the pre-buried reinforcing bar in the wall body on the wall body, the wall body all is equipped with the steel sheet at the both ends in wall hole, steel sheet and reinforcing bar welded fastening, the slip casting mouth has been seted up on the steel sheet, two concrete has been pour between the steel sheet.
Through adopting above-mentioned technical scheme, the steel sheet is in the same place the reinforcing bar of both sides about the wall opening continues, and the wall opening is filled up to rethread concrete, forms a reinforced structure of steel sheet concrete, has increased the bearing capacity of wall body in the wall opening position.
Optionally, the two steel plates are connected by a bolt assembly.
Through adopting above-mentioned technical scheme, bolt assembly carries out the pre-fixing to the steel sheet, the welding operation of steel sheet and reinforcing bar behind the being convenient for.
Optionally, the steel plate is a hot-dip galvanized steel plate, the thickness of the steel plate is 6mm, and the concrete is micro-expansion fine stone concrete.
By adopting the technical scheme, the hot-dip galvanized steel plate has the advantages of corrosion resistance and durability, and is favorable for ensuring the strength of the hot-dip galvanized steel plate for a long time by matching with the thickness of 6 mm; the micro-expansive fine stone concrete has the purposes of preventing and treating concrete cracks and improving the performance of the concrete.
Optionally, a rib net is arranged between the two steel plates, the rib net comprises a plurality of reinforcing ribs distributed vertically and horizontally, and counter bores for inserting the end portions of the reinforcing ribs are formed in the inner wall of the wall hole.
By adopting the technical scheme, the strength of the solidified concrete is enhanced by the rib net and the concrete.
Optionally, the reinforcing rib includes the muscle body and sleeve, the sleeve correspondence has two muscle bodies, and the one end of two muscle bodies is all pegged graft at the sleeve, sleeve threaded connection has the locking screw with two muscle bodies one-to-one.
Through adopting above-mentioned technical scheme, the sleeve has played the effect of establishing ties the muscle body, provides certain adjustable surplus for the muscle body, inserts the muscle body in the counter bore when being convenient for construct.
Optionally, the sleeve is provided with an input hole.
Through adopting above-mentioned technical scheme, the thick liquid hole makes in the concrete thick liquid can flow into the sleeve, treats the concrete setting back, can consolidate muscle body and sleeve, can fill up the space in the sleeve again, guarantees the intensity of whole concrete.
It is optional, be equipped with the steel bushing in the wall opening, set up the first through-hole that supplies the muscle body to pass on the steel bushing, the annular has been seted up on the steel bushing periphery wall, the annular is relative with each counter bore, the second through-hole with the annular intercommunication is seted up to the steel bushing inner wall, be equipped with two deep floors that are parallel to each other, two in the steel bushing all be connected with first dowel, two perpendicularly on the deep floor outside first dowel worn out the steel sheet along back of the body direction mutually, and the one end of wearing out establishes the second dowel that is connected with downward distribution perpendicularly, one side that the steel sheet deviates from the deep floor is fixed with the shunt tubes that supplies first dowel to wear out, the both sides of second dowel all are equipped with the housing that is used for covering first dowel and second dowel, two the housing is through spacing bolt fastening, and spacing bolt passes the second dowel.
By adopting the technical scheme, the steel sleeve is used as a pressure bearing member of the wall opening, when concrete is poured, the concrete flows into the space between the two housings along the flow dividing pipe, two concrete columns located on the outer side of the wall body are formed after the concrete is solidified, and the two concrete columns play a role in dispersing the load of the steel sleeve.
Optionally, a guide sleeve is fixed to one end, away from the first anchor bar, of the second anchor bar, a drill rod penetrates through the guide sleeve, a limiting ring is connected to one end of the drill rod through threads, a plurality of circumferentially distributed convex blocks are fixed to the limiting ring, each convex block is provided with a first clamping groove, a drill bit is fixed to the other end of the drill rod, the diameter of the drill bit is larger than that of the drill rod, second clamping grooves corresponding to the first clamping grooves in a one-to-one mode are formed in the drill bit, limiting ribs are inserted between the first clamping grooves and the second clamping grooves in a relative mode, limiting screws abutted to the limiting ribs are connected to side walls of the convex blocks through threads, a bending portion is arranged at one end, close to the drill bit, of each limiting hole is formed in the wall body, a pull grooves are formed in positions, close to the bottoms of the holes, and bent portions of the limiting ribs are inserted in the pull grooves.
Through adopting above-mentioned technical scheme, the operator drills out the spacing hole earlier, fix the drilling rod to the rig again, utilize the drill bit to drill out the kerve, shift out the kerve and arrange spacing muscle, it is fixed with spacing muscle to utilize stop screw, it inserts spacing downthehole to remove the drilling rod, remove stop screw, treat that the kink of spacing muscle is screwed up stop screw again after inserting the kerve, during the slip casting, the thick liquid is full of spacing groove and kerve, treat that the thick liquid solidifies the back makes drilling rod and spacing muscle together fixed with the wall body, the bearing capacity of second anchor bar and concrete structure and the cohesion of concrete and wall body have been increased.
Optionally, wear to be equipped with a plurality of circumference arrangement's lacing wire on the steel jacket, the lacing wire passes the annular, the one end threaded connection fixation nut that just wears out outside the steel sheet is all worn out at the both ends of lacing wire.
Through adopting above-mentioned technical scheme, lacing wire and fixation nut lock two steel sheets, have played the reinforcing effect to the steel sheet on the one hand, and on the other hand has strengthened the concrete strength and the holistic bending resistance of steel bushing of annular department.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the wall opening is filled with concrete to form a reinforced structure of steel plate concrete, so that the bearing performance of the wall body at the position of the wall opening is improved;
2. during grouting, the limiting groove and the pull groove are filled with grout, after the grout is solidified, the drill rod, the limiting rib and the wall body are fixed together, and the bearing capacity of the second anchor rib and the concrete structure and the binding force of the concrete and the wall body are increased.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application.
Fig. 2 is a schematic overall structure diagram of a second embodiment of the present application.
Fig. 3 is a schematic diagram illustrating a rib body and a distribution position of a tie bar according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a drill rod used in the embodiment of the present application.
Fig. 5 is a schematic diagram of an embodiment of the present application for embodying concrete casting in a wall opening.
Description of reference numerals: 1. a wall body; 11. wall holes; 12. reinforcing steel bars; 13. a steel plate; 131. a grouting port; 14. a bolt assembly; 15. flaring; 2. a web of tendons; 21. a tendon body; 22. a sleeve; 23. locking the screw; 24. a counter bore; 25. an input aperture; 3. steel jacket; 31. a first through hole; 32. a ring groove; 33. a second through hole; 34. a rib plate; 35. a first anchor bar; 36. a second anchor bar; 37. a shunt tube; 38. a housing; 381. a limit bolt; 4. a guide sleeve; 41. a drill stem; 42. a limiting ring; 43. a bump; 431. a first card slot; 432. a limit screw; 44. a drill bit; 441. a second card slot; 45. limiting ribs; 451. a bending section; 46. a limiting hole; 461. groove drawing; 5. stretching a rib; 51. and (5) fixing the nut.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Example 1
The embodiment of the application discloses construction structures who opens hole behind basement civil air defense wall. As shown in fig. 1, the construction structure of the opening behind the basement civil air defense wall comprises a wall opening 11 formed in a wall body 1 and pre-embedded steel bars 12 arranged in the wall body 1, the size of the wall opening 11 is not more than 300mm, the steel bars 12 are embedded when the wall body 1 is originally constructed, flaring 15 is formed in the positions of the wall opening 11 on two sides of the wall body 1, the inner diameter of the flaring 15 is larger than that of the wall opening 11, steel plates 13 are arranged in the two flaring 15, the steel plates 13 are hot galvanized steel plates 13, the thickness of the steel plates 13 is 6mm and smaller than the depth of the flaring 15, the two steel plates 13 are connected through a bolt assembly 14, the bolt assembly 14 comprises a bolt and a nut, the nut is welded on the inner side of one of the steel plates 13, the bolt vertically penetrates through the other steel plate 13 and is in threaded connection with the nut, so as to pre-fix the two steel plates 13, each steel plate 13 is welded and fixed with the steel bar 12, a grouting port 131 is formed in the position close to the top end of one of the steel plate 13, concrete is poured between the two steel plates, the flaring 15, and the concrete is filled with micro-expanded fine concrete mortar.
During construction, an operator chisels out the flaring 15 firstly, exposes the reinforcing steel bars 12 in the wall body 1, then embeds the two steel plates 13 into the flaring 15 and mutually pulls the two steel plates by the bolt assemblies 14, inserts the grouting pipe in the grouting opening 131 and arranges the exhaust opening, injects the micro-expansion fine stone concrete from the grouting pipe by adopting a pumping mode, fills the area between the two steel plates 13, seals the grouting opening 131 by the grout plug after grouting, and trowels the flaring 15 by adopting high-grade cement mortar.
Example 2
A construction structure for opening a hole behind a basement civil air defense wall, as shown in figures 2 and 3, is different from embodiment 1 in that: at least one rib net 2 is arranged between the two steel plates 13, the rib net 2 comprises a plurality of reinforcing ribs which are distributed vertically and horizontally, the reinforcing ribs are arranged in a # -shape, nodes are fixed by welding, and counter bores 24 for inserting the end parts of the reinforcing ribs are formed in the inner wall of the wall opening 11.
The strengthening rib includes the muscle body 21 and sleeve 22, and the muscle body 21 is equipped with two and two muscle body 21 relative one end and all pegs graft in sleeve 22, threaded connection have on the sleeve 22 with two muscle body 21 one-to-one locking screw 23, locking screw 23 tip wear into sleeve 22 in and with the muscle body 21 butt, fix the muscle body 21, seted up at least one input hole 25 on the sleeve 22, input hole 25 and the inside intercommunication of sleeve 22.
Before installing the steel plate 13, an operator firstly drills a counter bore 24 on the inner wall of the wall hole 11 by using a drilling machine, the position of the counter bore 24 preferably corresponds to the original steel bar 12 in the wall body 1, then the rib body 21 and the matched sleeve 22 are placed into the wall hole 11, the position of the rib body 21 is adjusted to be inserted into the corresponding counter bore 24, after the rib body 21 is in place, the locking screw 23 is screwed to be tightly abutted to the rib body 21, the rib body 21 is fixed, the next group of rib bodies 21 is installed by repeating the steps after one group of rib bodies 21 is installed, all the groups of rib bodies 21 are arranged in a groined shape, and the node at the intersection of the rib bodies 21 is fixed in a spot welding mode. When later stage concreting, muscle net 2 combines with the concrete, has strengthened the holistic intensity of structure, and the concrete simultaneously gets into sleeve 22 through input hole 25 in, blocks up the inside shutoff of sleeve 22, has improved concrete and sleeve 22's cohesion.
As shown in fig. 2 and 4, a steel jacket 3 is arranged in the wall opening 11, the end surface of the steel jacket 3 is flush with the bottom surface of the flared opening 15, a first through hole 31 through which each rib body 21 passes is formed in the steel jacket 3, annular grooves 32 distributed along the axial direction of the steel jacket 3 are formed in the outer peripheral wall of the steel jacket 3, the annular grooves 32 are opposite to the counter bores 24, second through holes 33 communicated with the annular grooves 32 are formed in the inner wall of the steel jacket 3, the inner diameter of the second through holes 33 is larger than the inner diameter of the first through holes 31, two rib plates 34 which are parallel to each other are arranged in the steel jacket 3, the two rib plates 34 are positioned at two sides of the rib net 2, the rib plates 34 are vertically distributed, two ends of the rib plates 34 are welded on the inner wall of the steel jacket 3, first anchor bars 35 are vertically welded to the side walls of the two rib plates 34, the bolt assembly 14 passes through the rib plates 34 and is higher than the first anchor bars 35, the two first anchor bars 35 penetrate through the steel plate 13 in the direction which deviates from each other, second anchor bars 36 are welded to one end of the second anchor bars 36, a guide sleeve 4 is vertically downward and fixed, and the axis of the guide sleeve is parallel to the first anchor bars 35.
Wear to be equipped with drilling rod 41 in the guide pin bushing 4, the one end threaded connection that drilling rod 41 deviates from wall body 1 has spacing ring 42, is fixed with a plurality of lugs 43 of arranging along its axis circumference equidistance on the spacing ring 42, all sets up the first draw-in groove 431 along the radial extension of spacing ring 42 on each lug 43, and the equal threaded connection of each lug 43 lateral wall has stop screw 432, and in stop screw 432 tip penetrated first draw-in groove 431. Drilling rod 41 is fixed with drill bit 44 towards the one end of wall body 1, drill bit 44 diameter is greater than drilling rod 41 diameter, and set up the second draw-in groove 441 with first draw-in groove 431 one-to-one on the drill bit 44, it has spacing muscle 45 all to peg graft between every relative draw-in groove of group and second draw-in groove 441, the one end that each spacing muscle 45 is close to drill bit 44 all is equipped with vertically kink 451, and each kink 451 all deviates from the distribution of guide pin bushing 4 axis, stop screw 432 supports tightly with spacing muscle 45, it is fixed with spacing muscle 45. The wall body 1 is provided with a limiting hole 46 for inserting the drill 44, the inner diameter of the limiting hole 46 is the same as the diameter of the drill 44, the inner wall of the limiting hole 46 is provided with an annular pull groove 461 at the bottom of the hole, the inner diameter of the pull groove 461 is larger than the inner diameter of the limiting hole 46, the drill 44 is abutted against the bottom of the limiting hole 46, and the bending part 451 of each limiting rib 45 is inserted into the pull groove 461.
As shown in fig. 2 and 3, a plurality of tie bars 5 circumferentially arranged along the steel jacket 3 penetrate through the wall thickness of the steel jacket 3, each tie bar 5 penetrates through the ring groove 32 and is staggered with the rib body 21 distributed in a shape like a Chinese character jing, one end of each tie bar 5 penetrates out of the corresponding steel plate 13 and is in threaded connection with a fixing nut 51, and a groove for placing the fixing nut 51 is formed in the side wall of the steel plate 13.
As shown in fig. 2 and 4, a shunt tube 37 for the first anchor bar 35 to penetrate out is fixed on one side of each steel plate 13 away from the rib plate 34, the shunt tube 37 is communicated with an area between the two steel plates 13, housings 38 are arranged on both sides of the second anchor bar 36, the two housings 38 are fixed by a limit bolt 381, and the limit bolt 381 penetrates through the second anchor bar 36, so that the housings 38 are connected with the second anchor bar 36, and the open ends of the two housings 38 are abutted against the wall 1 and cover the first anchor bar 35, the second anchor bar 36 and the drill rod 41.
As shown in fig. 5, the implementation principle of the embodiment of the present application is as follows: during construction, an operator chisels a flaring 15 on the wall body 1 to expose the original steel bars 12 in the wall body 1, then marks the positions of counter bores 24 on the inner wall of the wall opening 11 and sequentially drills the counter bores 24; cleaning and embedding the steel sleeve 3, adjusting the position of the steel sleeve 3 to enable the first through hole 31 to correspond to the counter bore 24, arranging the rib net 2 in the steel sleeve 3, enabling the rib body 21 to penetrate through the first through hole 31 and be inserted into the corresponding counter bore 24, screwing the locking screw 23 to fix the rib body 21 after the rib body 21 is in place, and then welding the node position of the rib body 21; the rib plates 34 and the first anchor bars 35 are welded in sequence, the steel plates 13 are installed after the first anchor bars 35 are welded, the first anchor bars 35 penetrate out of the shunt tubes 37, the steel plates 13 are pulled by the bolt assemblies 14, the edges of the steel plates 13 are welded with the steel bars 12, the interior of the flaring 15 is trowelled by high-grade cement mortar, and the grouting ports 131 and the shunt tubes 37 are exposed.
Drilling a limiting hole 46 by using an electric drill, fixing a drill rod 41 on the electric drill, inserting a drill bit 44 into the limiting hole 46, moving the drill bit 44 along the radial direction of the limiting hole 46 to expand the inner wall of the limiting hole 46 outwards, then moving the drill bit 44 along the circumferential direction to form a complete pull groove 461, and pushing out the drill bit 44 and cleaning the hole after the pull groove 461 is formed; welding second anchor bar 36 and guide pin bushing 4 in proper order, pass drilling rod 41 from the guide pin bushing 4 and make drill bit 44 towards wall body 1 one side, limit ring 42 is gone up in the other end of drilling rod 41 soon, arrange spacing muscle 45, insert the kink 451 of spacing muscle 45 in second draw-in groove 441, twist stop screw 432 with spacing muscle 45 card in first draw-in groove 431, then remove drilling rod 41 and insert in spacing hole 46, twist out stop screw 432 one by one when treating drill bit 44 and spacing hole 46 hole bottom butt, remove spacing muscle 45 and make its kink 451 insert in the kerve 461, twist stop screw 432 again after spacing muscle 45 targets in place and support tightly with spacing muscle 45, fix spacing muscle 45.
Installing the housing 38, fixing the housing 38 and the second anchor bar 36 through a limit bolt 381, inserting a grouting pipe into the grouting port 131 and arranging an exhaust port, injecting concrete grout from the grouting pipe in a pumping mode, enabling the concrete grout to enter the annular groove 32 from the second through hole 33 and be combined with the inner wall of the wall opening 11, enabling the concrete grout to flow into an area between the two housings 38 and fill the limit hole 46 and the pull groove 461 when the concrete grout rises to the position of the flow dividing pipe 37, stopping grouting after the grout overflows, and blocking the grouting port 131 by using a grout stop plug; after the concrete slurry is solidified, the rib net 2, the steel sleeve 3 and the tie bar 5 inside the wall opening 11 are solidified with the concrete to form a reinforced concrete structure, so that the strength of the concrete is increased, the concrete in the housing 38 forms two concrete columns located outside the wall body 1, the load born inside the wall opening 11 is shared, and the two concrete columns are combined to improve the bearing performance of the position of the wall opening 11. In addition, the bending part 451 of the limiting rib 45 is matched with the pull groove 461, so that the pulling resistance of the drill rod 41 is increased, and the bearing effect of reinforcing the whole structure of the drill rod 41, the second anchor rib 36, the first anchor rib 35 and the rib plate 34 is achieved.
If the cover 38 needs to be removed, an operator can brush a release agent in the cover 38, a PVC pipe is sleeved on the screw rod of the limit bolt 381, and after the concrete slurry is solidified, the limit bolt 381 can be directly removed by the operator due to the obstruction of the PVC pipe.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a construction structures in division hole behind basement civil air defense wall, includes wall hole (11) and pre-buried reinforcing bar (12) in wall body (1) of seting up on wall body (1), its characterized in that: the wall body (1) is characterized in that steel plates (13) are arranged at two ends of a wall opening (11), the steel plates (13) are fixedly welded with reinforcing steel bars (12), grouting openings (131) are formed in the steel plates (13), and concrete is poured between the two steel plates (13);
a rib net (2) is arranged between the two steel plates (13), the rib net (2) comprises a plurality of reinforcing ribs which are distributed vertically and horizontally, and counter bores (24) for inserting the end parts of the reinforcing ribs are formed in the inner wall of the wall hole (11);
a steel sleeve (3) is arranged in the wall opening (11), a first through hole (31) for a rib body (21) to pass through is formed in the steel sleeve (3), an annular groove (32) is formed in the outer peripheral wall of the steel sleeve (3), the annular groove (32) is opposite to each counter bore (24), a second through hole (33) communicated with the annular groove (32) is formed in the inner wall of the steel sleeve (3), two rib plates (34) which are parallel to each other are arranged in the steel sleeve (3), first anchor bars (35) are vertically connected to the two rib plates (34), the two first anchor bars (35) penetrate through the steel plate (13) along opposite directions, a second anchor bar (36) which is vertically connected to the steel plate (13) and distributed downwards is arranged at the penetrating end, a split tube (37) for the first anchor bar (35) to penetrate through is fixed on one side of the steel plate (13) which is far away from the rib plates (34), housings (38) for the first anchor bar (35) and the second anchor bar (381) to penetrate through are fixed through bolts (381), and the second anchor bar (381);
the wall body is characterized in that a guide sleeve (4) is fixed to one end, far away from the first anchor bar (35), of the second anchor bar (36), a drill rod (41) penetrates through the guide sleeve (4), a limiting ring (42) is connected to one end of the drill rod (41) in a threaded manner, a plurality of circumferentially distributed convex blocks (43) are fixed to the limiting ring (42), first clamping grooves (431) are formed in the convex blocks (43), a drill bit (44) is fixed to the other end of the drill rod (41), the diameter of the drill bit (44) is larger than that of the drill rod (41), second clamping grooves (441) corresponding to the first clamping grooves (431) one by one are formed in the drill bit (44), limiting ribs (45) are connected between the first clamping grooves (431) and the second clamping grooves (441) in an inserting manner, limiting screws (432) abutted to the limiting ribs (45) are connected to side walls of the convex blocks (43) in a threaded manner, a bending portion (451) is formed in one end, close to the drill bit (44), a limiting hole (46) is formed in the wall body (1), and a bending portion (461) is formed in a position close to the limiting groove (451).
2. The construction structure of opening a hole behind basement civil air defense wall of claim 1, characterized in that: the two steel plates (13) are connected through a bolt assembly (14).
3. The construction structure of opening a hole behind basement civil air defense wall of claim 1, characterized in that: flaring (15) are arranged on the two sides of the wall body (1), the steel plate (13) is located in the flaring (15), and cement mortar is filled in the flaring (15).
4. The construction structure of opening a hole behind basement civil air defense wall of claim 1, characterized in that: the steel plate (13) is a hot-dip galvanized steel plate (13), the thickness of the steel plate (13) is 6mm, and the concrete is micro-expansion fine stone concrete.
5. The construction structure of opening a hole behind basement civil air defense wall of claim 1, characterized in that: the strengthening rib includes muscle body (21) and sleeve (22), sleeve (22) correspond there are two muscle bodies (21), and the one end of two muscle bodies (21) all pegs graft at sleeve (22), sleeve (22) threaded connection have with two muscle bodies (21) one-to-one locking screw (23).
6. The construction structure of opening a hole behind basement civil air defense wall of claim 5, characterized in that: an input hole (25) is formed in the sleeve (22).
7. The construction structure of opening a hole behind basement civil air defense wall of claim 1, characterized in that: the steel bushing (3) is provided with a plurality of tie bars (5) which are arranged in the circumferential direction in a penetrating mode, the tie bars (5) penetrate through the annular grooves (32), and two ends of the tie bars (5) penetrate through one end of the threaded connection fixing nut (51) which is arranged outside the steel plate (13) and penetrates out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111580811.XA CN114197912B (en) | 2021-12-22 | 2021-12-22 | Construction structure for opening hole behind basement civil air defense wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111580811.XA CN114197912B (en) | 2021-12-22 | 2021-12-22 | Construction structure for opening hole behind basement civil air defense wall |
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| Publication Number | Publication Date |
|---|---|
| CN114197912A CN114197912A (en) | 2022-03-18 |
| CN114197912B true CN114197912B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111580811.XA Active CN114197912B (en) | 2021-12-22 | 2021-12-22 | Construction structure for opening hole behind basement civil air defense wall |
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| CN114809136B (en) * | 2022-04-11 | 2024-01-02 | 江苏现代建筑设计有限公司 | Reinforcing and repairing structure for rear opening of basement wall of civil air defense engineering |
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| CN111851789A (en) * | 2020-08-25 | 2020-10-30 | 浙江力维钢结构技术有限公司 | Novel assembled stiffened wall and construction process |
| CN215168312U (en) * | 2020-11-30 | 2021-12-14 | 江苏美城建筑规划设计院有限公司 | Civil air defense engineering roof hole-opening repairing structure |
| CN113550451A (en) * | 2021-07-24 | 2021-10-26 | 南京坤佳防水防腐保温工程有限公司 | Waterproof construction method for building outer wall |
| CN113622702B (en) * | 2021-08-09 | 2022-05-10 | 北京市第三建筑工程有限公司 | Plugging structure and plugging method for small-section deep hole in civil air defense faced hollow wall |
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2021
- 2021-12-22 CN CN202111580811.XA patent/CN114197912B/en active Active
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