CN113653263A - Pre-buried protective closed sleeve with hole reinforcing steel bars and construction method thereof - Google Patents
Pre-buried protective closed sleeve with hole reinforcing steel bars and construction method thereof Download PDFInfo
- Publication number
- CN113653263A CN113653263A CN202110766600.9A CN202110766600A CN113653263A CN 113653263 A CN113653263 A CN 113653263A CN 202110766600 A CN202110766600 A CN 202110766600A CN 113653263 A CN113653263 A CN 113653263A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- steel bar
- hole
- reinforcing steel
- reinforcing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 109
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 92
- 238000010276 construction Methods 0.000 title claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 89
- 239000010959 steel Substances 0.000 claims abstract description 89
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 72
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims description 51
- 238000003466 welding Methods 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 22
- 238000000465 moulding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000007789 sealing Methods 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000007123 defense Effects 0.000 description 6
- 210000003205 muscle Anatomy 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention provides a pre-buried protective closed sleeve with a hole reinforcing steel bar and a construction method thereof. The bushing includes: the pipeline protection sleeve comprises a pipeline protection sleeve and at least one fixed closed disc; the pipeline protection sleeves are sequentially arranged in the fixed closed disks in a penetrating manner along the arrangement direction of the fixed closed disks; the periphery of the pipeline protection sleeve is provided with a hole reinforcing steel bar for reinforcing the connection between the pipeline protection sleeve and the peripheral concrete. According to the invention, the hole reinforcing steel bars are arranged on the protective sleeve of the pipeline in advance, the construction period of adding the hole reinforcing steel bars at the later stage is advanced to the manufacturing stage of the embedded sleeve, the hole reinforcing steel bars can be manufactured and welded outside the field, the problem of difficulty in construction of adding the hole reinforcing steel bars is solved, the situation that the main body steel bars are cut off when the sealed disc sleeve is fixed by the installing belt is avoided, cracks are prevented from being generated on concrete around the hole and the hole of the shear wall, the stability of the hole of the shear wall is ensured, the engineering quality is effectively improved, and the construction period is shortened.
Description
Technical Field
The invention relates to the technical field of reinforcement of a hole of a steel bar engineering, in particular to a pre-buried protective closed sleeve with hole reinforcing steel bars and a construction method thereof.
Background
Shear walls, also known as structural walls, bear horizontal and vertical loads in a house or structure to prevent the structure from being damaged by shear. Particularly, the civil air defense shear wall has strict requirements on protection and tightness, all equipment pipelines penetrating through the civil air defense wall are embedded with protective sealed sleeves at pipeline positions, and in order to ensure that the shear wall meets the requirements on bearing capacity and explosion load, the sleeves with sealed ribs are embedded before concrete of the wall is cast. If the opening of the wall body exceeds a certain size, additional reinforcing steel bars (opening reinforcing steel bars) need to be additionally arranged on the edge of the opening, and the additional reinforcing steel bars are bound or welded after the protective closed casing is positioned.
At present, in the construction of the traditional embedded sleeve, the pipe and the fixed airtight disk need to be assembled and welded on site and then directly placed on the steel bars of the shear wall, so that the protective airtight sleeve is difficult to position and fix. Due to the restriction of multi-professional alternate construction factors on a construction site, the protective closed casing pipe is often installed only after the wall reinforcements are tied up, and the protective closed casing pipe can be placed only by cutting the vertical reinforcements and the transverse reinforcements of the civil air defense wall, so that cracks are easily generated on the shear wall opening and the concrete around the opening.
Disclosure of Invention
In view of the above, the invention provides an embedded protective closed sleeve with a hole reinforcing steel bar and a construction method thereof, and aims to solve the problem that concrete at the periphery of a shear wall hole and the hole is easy to crack due to the fact that the protective closed sleeve needs to be separated after the existing wall bar is installed and bound.
On one hand, the invention provides an embedded protective closed sleeve with a hole reinforcing steel bar, which comprises: the method comprises the following steps: the pipeline protection sleeve comprises a pipeline protection sleeve and at least one fixed closed disc; the pipeline protection sleeves are sequentially arranged in the fixed closed discs in a penetrating manner along the arrangement direction of the fixed closed discs; the periphery of the pipeline protection sleeve is provided with a hole reinforcing steel bar for reinforcing the connection between the pipeline protection sleeve and the peripheral concrete.
Furthermore, above-mentioned take pre-buried airtight sleeve of protection of entrance to a cave reinforcement reinforcing bar, the entrance to a cave reinforcement reinforcing bar is the multiunit, and each is organized the entrance to a cave reinforcement reinforcing bar is followed the circumference of pipeline protection sleeve sets up side by side.
Further, above-mentioned take pre-buried protection seal pipe of entrance to a cave reinforcement reinforcing bar, each group the entrance to a cave reinforcement reinforcing bar all includes: reinforcing vertical bars at the hole; the hole reinforcing transverse rib is perpendicular to the hole reinforcing vertical rib; and the obliquely arranged hole reinforcing inclined ribs are respectively connected with the hole reinforcing vertical ribs and the hole reinforcing vertical ribs.
Furthermore, the pre-buried protective closed sleeve with the hole reinforcing steel bars is provided with the inclined bar fixing steel bars between the hole reinforcing inclined bars and the pipeline protective sleeve and used for supporting the hole reinforcing inclined bars.
Furthermore, according to the pre-buried protective closed sleeve with the hole reinforcing steel bar, two ends of the oblique steel bar fixing steel bar are respectively connected with the hole reinforcing oblique steel bar and the pipeline protective sleeve.
Further, the above-mentioned pre-buried protective sealed sleeve pipe of taking entrance to a cave reinforcement reinforcing bar, the pipeline protection cover pipe is circular sleeve pipe structure or square sleeve pipe structure.
Further, the fixed airtight plate is of an annular structure.
The pre-buried protective closed sleeve with the hole reinforcing steel bars, provided by the invention, has the advantages that the hole reinforcing steel bars are arranged on the pipeline protective sleeve in advance, the construction period for additionally arranging the reinforcing steel bars at the later stage is advanced to the manufacturing stage of the pre-buried sleeve, the hole reinforcing steel bars can be manufactured and welded outside the field, the problem that the hole reinforcing steel bars are difficult to weld when additionally arranged at the later stage in the prior art is solved, the situation that the main body reinforcing steel bars are cut off when the fixed closed disc sleeve is arranged can be avoided, further, the concrete at the hole of the shear wall and the periphery of the hole is prevented from cracking, the stability of the hole of the shear wall is ensured, the engineering quality can be effectively improved, and the construction period is shortened.
On the other hand, the invention also provides a construction method of the pre-buried protective closed sleeve with the reinforcing steel bar at the opening, which adopts the pre-buried protective closed sleeve with the reinforcing steel bar at the opening and comprises the following steps: a bottom reinforcing steel bar mounting step, namely binding the wall reinforcing steel bars to the elevation of the bottom of the opening to complete the mounting of the bottom wall reinforcing steel bars; a positioning steel bar mounting step, namely welding a pre-buried sleeve positioning steel bar on a bottom wall body steel bar according to the positioning position of the pre-buried protective closed sleeve so as to position the pre-buried protective closed sleeve; a sleeve installation step, namely installing the embedded protective closed sleeve to the bottom wall body steel bar and the embedded sleeve positioning steel bar according to the positioning position of the embedded sleeve positioning steel bar; a top reinforcing steel bar mounting step, namely binding the wall reinforcing steel bars above the elevation of the bottom of the opening to finish binding and mounting of all the wall reinforcing steel bars; and a concrete molding step, namely installing a template and pouring concrete, and removing the template after the concrete is molded.
Further, the pre-buried protective closed sleeve with the hole reinforcing steel bars further comprises the following steps between the sleeve installation step and the top steel bar installation step: and a positioning rechecking step, namely rechecking the position of the installed embedded protective closed sleeve, carrying out the top steel bar installation step if the embedded protective closed sleeve is qualified, and skipping to the positioning steel bar installation step if the embedded protective closed sleeve is unqualified.
Further, the above-mentioned pre-buried protective airtight sleeve pipe of taking entrance to a cave reinforcement reinforcing bar after the concrete shaping step, still include: and a rechecking step, namely rechecking the formed concrete hole and the embedded protective closed sleeve.
According to the construction method of the pre-buried protective closed sleeve with the hole reinforcing steel bars, the hole reinforcing steel bars are arranged on the protective sleeve of the pipeline in advance, the construction period of additionally arranging the hole reinforcing steel bars at the later stage is advanced to the manufacturing stage of the pre-buried sleeve, the hole reinforcing steel bars can be manufactured and welded outside the field, the problem that the hole reinforcing steel bars are difficult to weld when additionally arranging the hole reinforcing steel bars in the prior art is solved, the situation that main body steel bars are cut off when the closed disc sleeve is fixed by the installing belt can be avoided, further, cracks are prevented from being generated on concrete at the hole of the shear wall and the periphery of the hole, the stability of the hole of the shear wall is ensured, meanwhile, the engineering quality can be effectively improved, and the construction period is shortened; the embedded protective closed sleeve is positioned and fixed efficiently by considering the position and elevation of the reserved sleeve in advance during the construction of the wall body steel bars, positioning the position of the sleeve by welding the embedded sleeve positioning steel bars, and welding and fixing the embedded protective closed sleeve through the intersection points of the hole reinforcing steel bars welded on the protective sleeve of the pipeline and the wall body steel bars, namely the main bars, so that the embedded protective closed sleeve with the hole reinforcing steel bars is positioned, and the problem that the embedded sleeve is difficult to position and fix in the prior art is effectively solved; the construction process of the embedded sleeve is optimized, the civil engineering reinforcing steel bar team and the electromechanical installation team are synchronously fed, and the wall construction process is simplified.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of an embedded protective closed casing with a reinforcing bar at a hole according to an embodiment of the present invention;
fig. 2 is a front view of an embedded protective closed casing with a reinforcing bar at a hole according to an embodiment of the present invention;
fig. 3 is a top view of the pre-buried protective closed casing with the reinforcing steel bar at the opening according to the embodiment of the present invention;
fig. 4 is a flow chart of a construction method of an embedded protective closed casing with a reinforcing steel bar at a hole according to an embodiment of the present invention;
fig. 5 is a flowchart of a construction method of an embedded protective closed sleeve with a reinforcing steel bar at a hole according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Cannula embodiment:
referring to fig. 1 to 3, preferred structures of the embedded protective airtight sleeve with the reinforcing steel bar with the opening provided by the embodiment of the invention are shown. As shown in the figure, this pre-buried protective sealed casing includes: the pipeline protection sleeve comprises a pipeline protection sleeve 1 and at least one fixed closed disc 2; wherein,
each fixed airtight dish 2 all sets up side by side and interval, and pipeline protection casing 1 wears to locate each fixed airtight dish 2 along fixed airtight dish 2 setting direction in proper order. Specifically, the pipe protection sleeve 1 may have a circular sleeve structure or a square sleeve structure, and in this embodiment, a square sleeve is taken as an example for description, that is, the pipe protection sleeve 1 is enclosed by four plate-shaped structures to form a square sleeve structure. The number of the fixed closed discs 2 can be one or more, in this embodiment, three fixed closed discs 2 are taken as an example for explanation, and the plurality of fixed closed discs 2 are arranged side by side and at intervals along the axial direction of the pipeline protection casing 1, each fixed closed disc 2 is an annular plate-shaped structure extending along the cross section of the pipeline protection casing 1, and the fixed closed discs 2 are used as protection closed ribs, one is fixed and anti-loosening, and are better combined with concrete; and secondly, the defense gas permeates into the protective area along the pipe wall or the sleeve wall in wartime. The fixed closed disc 2 is of an annular structure, and is internally provided with a mounting hole matched with the pipeline protection sleeve 1 so as to be sleeved on the periphery of the pipeline protection sleeve 1; in this embodiment, the pipeline protection casing 1 is a square casing, and the fixed sealing plate 2 is a square ring structure matched with the pipeline protection casing 1.
The periphery of the pipeline protection casing 1 is provided with a hole reinforcing steel bar 3 for reinforcing the connection between the pipeline protection casing 1 and the peripheral concrete. Specifically, entrance to a cave reinforcement reinforcing bar 3 can be connected on pipeline protection sleeve 1 and/or fixed airtight dish 2 to carry out the fixed connection of this pipeline protection sleeve 1, realize the location and the connection of pipeline protection sleeve 1, strengthen being connected of this pipeline protection sleeve 1 and peripheral concrete, ensure the steadiness of pipeline protection sleeve 1.
With continued reference to fig. 1 to 3, in this embodiment, taking the construction of the pre-embedded protective airtight sleeve of the rectangular air duct shear wall structure as an example, the long side D of the rectangular opening satisfies: d is more than or equal to 300mm and less than or equal to 800 mm. The pipe protective sleeve 1 is a square sleeve formed by welding four steel plates, and the length of the steel plates (the length in the horizontal direction and the length in the vertical direction as shown in fig. 2) can be determined according to the thickness of the civil air defense wall, for example, the wall thickness is increased by 100 mm.
With continued reference to fig. 1, the fixed sealing plate 2 is a square ring plate structure formed by welding four steel plates, wherein two steel plates with a width of 50mm and a length equal to the length of the pipe protection sleeve 1, and the other two steel plates with a width of 50mm and a length equal to the length of the pipe protection sleeve 1 plus 100mm are provided.
With continued reference to fig. 1, the plurality of groups of hole reinforcing steel bars 3 may be provided, and each group of hole reinforcing steel bars 3 is arranged side by side along the circumferential direction of the protective sleeve 1 for further ensuring the stability of the protective sleeve 1; in this embodiment, two groups are exemplified. Each group of opening reinforcing steel bars 3 comprises: the hole reinforcing vertical ribs 31, the hole reinforcing transverse ribs 32, the hole reinforcing inclined ribs 33 and the inclined rib fixing steel bars 34; wherein, entrance to a cave reinforcement stud 31 can be two, and it sets up on the roof and the diapire of pipeline protection casing 1 along the horizontal direction respectively at the both sides (upper and lower both sides shown in fig. 1) of pipeline protection casing 1, and two entrance to a cave reinforcement studs 31 accessible welding are fixed connection respectively at the roof and the diapire of pipeline protection casing 1 to ensure the steadiness of entrance to a cave reinforcement stud 31. The transverse ribs 32 for hole reinforcement can be two, and are respectively arranged on the left side wall and the right side wall of the pipeline protection casing 1 at two sides (the left side and the right side as shown in fig. 1) of the pipeline protection casing 1 along the water vertical direction, and the transverse ribs 32 for hole reinforcement can be respectively fixedly connected to the left side wall and the right side wall of the pipeline protection casing 1 through welding so as to ensure the stability of the left side wall and the right side wall. The hole reinforcing diagonal bar 33 can be four, and it sets up the four corners position at the pipeline protection casing 1 respectively, and hole reinforcing diagonal bar 33 can the slant set up, all is the contained angle setting between with hole reinforcing stud 31, the horizontal muscle 32 of hole reinforcing promptly to, hole reinforcing diagonal bar 33 is connected with hole reinforcing stud 31, the horizontal muscle 32 of hole reinforcing respectively, in order to support both, and then further ensures the steadiness with hole reinforcing stud 31, the horizontal muscle 32 of hole reinforcing. The diagonal reinforcement fixing steel bars 34 can be arranged between the hole reinforcing diagonal reinforcement 33 and the pipeline protection sleeve 1 and used for supporting the hole reinforcing diagonal reinforcement 33 so as to ensure the stability of the diagonal reinforcement fixing steel bars 34 and further reinforce the stability of the hole reinforcing vertical ribs 31 and the hole reinforcing transverse ribs 32; each hole reinforcing diagonal bar 33 is correspondingly provided with one or two diagonal bar fixing steel bars 34, in this embodiment, one is taken as an example and is arranged in parallel to the hole reinforcing vertical bar 31, of course, the diagonal bar fixing steel bars 34 may also be arranged in parallel to the hole reinforcing transverse bar 32, and the two diagonal bar fixing steel bars may be respectively arranged in parallel to the hole reinforcing vertical bar 31 and the hole reinforcing transverse bar 32. The two ends of the diagonal reinforcement fixing steel bar 34 are respectively connected with the hole reinforcement diagonal reinforcement 33 and the pipeline protection casing 1 so as to support the hole reinforcement diagonal reinforcement 33. In this embodiment, the hole reinforcing vertical bar 31, the hole reinforcing transverse bar 32, the hole reinforcing diagonal bar 33 and the diagonal bar fixing bar 34 are all secondary reinforcing bars with a diameter of 16 mm.
To sum up, the pre-buried airtight sleeve pipe of protection of area entrance to a cave reinforcement reinforcing bar that this embodiment provided, entrance to a cave reinforcement reinforcing bar 3 is installed on pipeline protection casing 1 in advance, the time limit for a project that the reinforcing bar was established to the later stage addding the entrance to a cave advances to pre-buried sleeve pipe preparation stage, the entrance to a cave reinforcement reinforcing bar can make the welding outside the field, add entrance to a cave reinforcement reinforcing bar welding difficulty problem after having solved prior art, can avoid the installation to take the condition of cutting off the main part reinforcing bar when fixed airtight dish sleeve pipe, and then avoid shear wall entrance to a cave and the peripheral concrete of entrance to a cave to produce the crack, ensure the steadiness of shear wall entrance to a cave, can effectively improve engineering quality and shorten the time limit for a project simultaneously.
The method comprises the following steps:
referring to fig. 4 to 5, a preferred flow of the construction method of the embedded protective closed casing with the portal reinforcing steel bar according to the embodiment of the present invention. As shown in the figure, the construction method comprises the following steps:
and a bottom steel bar mounting step S1, binding the wall steel bars to the elevation of the bottom of the opening, and finishing the mounting of the bottom wall steel bars.
Specifically, firstly, drawing of an electromechanical reserved embedded comprehensive construction drawing, drawing of a civil structure opening positioning drawing, deepening design of embedded sleeve opening wall-repairing reinforcing steel bars, namely opening reinforcing steel bars 3, according to a civil opening reinforcing structural drawing and by combining the size of a wall opening, and deepening design of the wall reinforcing steel bars can be carried out; and then binding the wall body steel bars to the elevation of the bottom of the opening to finish the installation of the bottom wall body steel bars.
And a positioning steel bar mounting step S2, welding the embedded sleeve positioning steel bars on the bottom wall steel bars according to the positioning position of the embedded protective closed sleeve so as to position the embedded protective closed sleeve.
Specifically, when bottom wall body reinforcement or after bottom wall body reinforcement, according to pre-buried protective sealing sleeve's locating position, two with the same kind of reinforcing bar of wall body reinforcing bar of position welding of entrance to a cave bottom elevation, the vertical welding is on the wall body founds the muscle to as pre-buried sleeve positioning bar, fix a position pre-buried protective sealing sleeve, be used for the pre-buried protective sealing sleeve of location, fixed band entrance to a cave reinforcement reinforcing bar. And after the embedded sleeve positioning steel bars are welded and installed, the embedded sleeve positioning steel bars are further rechecked, namely the elevation and the coordinates of the embedded protective closed sleeve are rechecked.
And a sleeve mounting step S3, mounting the embedded protective closed sleeve to the bottom wall steel bars and the embedded sleeve positioning steel bars according to the positioning position of the embedded sleeve positioning steel bars.
Specifically, firstly, according to the deepening design of the hole reinforcing steel bar 3 in the bottom steel bar installation step S1, manufacturing of a pre-buried protective closed sleeve with the hole reinforcing steel bar is performed, manufacturing of a pipeline protective sleeve 1 and a fixed closed disc 2 can be performed in sequence, the fixed closed disc 2 is welded to the pipeline protective sleeve 1, the hole reinforcing steel bar 3 is welded to the pipeline protective sleeve 1, so that manufacturing of the pre-buried protective closed sleeve with the hole reinforcing steel bar is completed, and the manufacturing of the pre-buried protective closed sleeve with the hole reinforcing steel bar, binding of the bottom wall steel bar and installation of the pre-buried sleeve positioning steel bar do not have a sequence and can be performed simultaneously; and then, welding the pre-buried protective closed sleeve with the hole reinforcing steel bars on the bottom wall body steel bars and the pre-buried sleeve positioning steel bars, namely, the hole reinforcing steel bars 3 and the wall body steel bars, namely the main bars, at the cross points, and ensuring that the pre-buried protective closed sleeve is welded firmly.
And a positioning rechecking step S4, carrying out position rechecking on the installed embedded protective closed sleeve, carrying out the top steel bar installation step if the embedded protective closed sleeve is qualified, and skipping to the positioning steel bar installation step if the embedded protective closed sleeve is unqualified.
Specifically, the position of the installed embedded protective closed casing is rechecked, if the embedded protective closed casing is qualified, the step S5 of installing the top steel bar is carried out, and the subsequent steps are continued; and if the rechecking is not qualified, jumping to the positioning steel bar installation step S2 to install the positioning steel bars and the embedded protective closed sleeves again until the positioning steel bars and the embedded protective closed sleeves are qualified. And if the position deviation is less than or equal to 10mm, the product is qualified, otherwise, the product is unqualified.
And a top steel bar mounting step S5, binding the wall steel bars above the elevation of the bottom of the opening to finish binding and mounting of all the wall steel bars.
Specifically, the follow-up civil engineering steel bar team continues to upwards bind the wall steel bars.
And a concrete molding step S6, installing a template, pouring concrete, and removing the template after the concrete is molded.
Specifically, the installation of the template and the pouring of the concrete are sequentially carried out, and the template is removed after the concrete is formed.
And a rechecking step S7, rechecking the formed concrete hole and the embedded protective closed sleeve.
Specifically, the formed concrete opening and the embedded protective closed sleeve are rechecked to complete the construction of the embedded protective closed sleeve with the reinforcing steel bars.
The manufacturing of the pre-buried protective closed sleeve with the reinforcing steel bars sequentially comprises the manufacturing of a pipeline protective sleeve 1, the manufacturing of a fixed closed disc 2, the welding of the fixed closed disc 2 to the pipeline protective sleeve 1 and the welding of a hole reinforcing steel bar 3 to the pipeline protective sleeve 1; wherein, the preparation of pipeline protection sleeve 1 specifically is: the pipe protective sleeve is made of a Q235-A steel plate and is 5mm thick; the method comprises the following steps of (1) calibrating the thickness of a civil air defense wall according to a construction drawing to determine the length of a protective closed sleeve, namely the side length of a square of a cross section, wherein the length is equal to the sum of the wall thickness and 100 mm; measuring the size of a steel plate by using a measuring tape, marking scale lines, cutting four steel plates by using a cutting machine, removing turned edges, burs and burrs of a cut after cutting, rechecking the flatness of the cut, and polishing if the conditions of a horseshoe opening, an oblique opening and the like occur; e4315 welding rods are adopted between the steel plates, and arc welding is carried out, so that full welding is required. The fixed closed disc 2 is specifically manufactured as follows: the fixed closed disc is made of a Q235-A steel plate, and the thickness of the fixed closed disc is 5 mm; each side of the rectangular pipeline protective sleeve is cut into four steel plates by a cutting machine, the four steel plates are respectively 50mm in width, the length of each steel plate is the length of the sleeve, the other two steel plates are 50mm in width, the length of each steel plate is 100mm added to the length of the sleeve, the turned edges, the burs and the burrs of the cut are removed after cutting, the flatness of the cut is rechecked, and if the conditions of a horseshoe opening, an oblique opening and the like occur, polishing treatment needs to be carried out. Welding the fixed closed disc 2 to the pipeline protection casing 1 specifically comprises: marking fixed sealing disc installation lines at the positions of the middle point and two sides of the pipeline protective sleeve, which are respectively reduced by 47.5mm, and welding the long steel plate of the fixed sealing disc 2 and then welding the short steel plate of the fixed sealing disc 2 along the fixed sealing disc installation lines; the welding rod adopts E4315, and the arc welding requires double-sided full welding. Weld opening reinforcement reinforcing bar 3 on pipeline protection casing 1 specifically does: the type of the reinforcing steel bar 3 at the opening is consistent with that of the main reinforcing steel bar of the wall body; the vertical reinforcement rib and the transverse reinforcement rib of the opening reinforcement are the length of the side of the opening plus 1100mm, the diagonal reinforcement rib is 1.5 times the length of the long side of the opening, the length of the fixed reinforcement rib of the diagonal reinforcement is 150mm, and the vertical reinforcement rib 31, the transverse reinforcement rib 32 of the opening reinforcement, the fixed reinforcement rib 34 of the diagonal reinforcement and the diagonal reinforcement rib 33 of the opening reinforcement are sequentially welded on the protective sleeve 1 of the pipeline, and the E4315 welding rod is adopted, the arc welding is carried out, the full welding is required, and the manufacturing of the pre-buried protective airtight sleeve with the reinforcing reinforcement ribs is completed.
In summary, according to the construction method of the pre-buried protective closed sleeve with the hole reinforcing steel bars provided by the embodiment, the hole reinforcing steel bars are installed on the protective sleeve of the pipeline in advance, the construction period for additionally installing the hole reinforcing steel bars at the later stage is advanced to the manufacturing stage of the pre-buried sleeve, the hole reinforcing steel bars can be manufactured and welded outside the field, the problem that the hole reinforcing steel bars are difficult to weld when additionally arranged at the later stage in the prior art is solved, the situation that the main body steel bars are cut off when the closed disc sleeve is installed with the fixed closed disc sleeve can be avoided, further, cracks are prevented from being generated on concrete at the hole of the shear wall and the periphery of the hole, the stability of the hole of the shear wall is ensured, and meanwhile, the engineering quality can be effectively improved and the construction period is shortened; the embedded sleeve is efficiently positioned and fixed, the position and the elevation of the reserved sleeve are considered in advance during the construction of the wall steel bars, the position of the sleeve is positioned by welding the embedded sleeve positioning steel bars, the embedded protective sealed sleeve is efficiently positioned and fixed, and the embedded protective sealed sleeve with the hole reinforcing steel bars is positioned and fixed by welding the hole reinforcing steel bars 3 welded on the protective sleeve 1 of the pipeline and the intersection points of the wall steel bars, namely the main bars, so that the embedded protective sealed sleeve with the hole reinforcing steel bars is positioned, and the problem that the embedded sleeve is difficult to position and fix in the prior art is effectively solved; the construction process of the embedded sleeve is optimized, the civil engineering reinforcing steel bar team and the electromechanical installation team are synchronously fed, and the wall construction process is simplified.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a take pre-buried airtight sleeve pipe of protection of entrance to a cave reinforcement reinforcing bar which characterized in that includes: the pipeline protection sleeve comprises a pipeline protection sleeve and at least one fixed closed disc; wherein,
the pipeline protection sleeves are sequentially arranged in the fixed closed discs in a penetrating manner along the arrangement direction of the fixed closed discs;
the periphery of the pipeline protection sleeve is provided with a hole reinforcing steel bar for reinforcing the connection between the pipeline protection sleeve and the peripheral concrete.
2. The pre-buried protective closed sleeve with the hole reinforcing steel bar according to claim 1,
the entrance to a cave reinforcement reinforcing bar is the multiunit, each group entrance to a cave reinforcement reinforcing bar is followed the circumference of pipeline protection sleeve sets up side by side.
3. The pre-buried protective closed sleeve with the opening reinforcing steel bar according to claim 2, wherein each group of the opening reinforcing steel bar comprises:
reinforcing vertical bars at the hole;
the hole reinforcing transverse rib is perpendicular to the hole reinforcing vertical rib;
and the obliquely arranged hole reinforcing inclined ribs are respectively connected with the hole reinforcing vertical ribs and the hole reinforcing vertical ribs.
4. The pre-buried protective closed sleeve with the hole reinforcing steel bar according to claim 3,
and an inclined rib fixing steel bar is arranged between the hole reinforcing inclined rib and the pipeline protection sleeve and is used for supporting the hole reinforcing inclined rib.
5. The pre-buried protective closed sleeve with the hole reinforcing steel bar according to claim 4,
the two ends of the oblique rib fixing steel bar are respectively connected with the hole reinforcing oblique rib and the pipeline protection casing.
6. The pre-buried protective closed sleeve with the hole reinforcing steel bar according to any one of claims 1 to 5, wherein the pipeline protective sleeve is of a circular sleeve structure or a square sleeve structure.
7. The pre-buried protective closed sleeve with the entrance reinforcing steel bar according to any one of claims 1 to 5, wherein the fixed closed disk is of an annular structure.
8. A construction method of an embedded protective closed sleeve with an entrance to a cave reinforcing steel bar, which is characterized in that the embedded protective closed sleeve with the entrance to a cave reinforcing steel bar of any one of claims 1 to 7 is adopted, and the construction method comprises the following steps:
a bottom reinforcing steel bar mounting step, namely binding the wall reinforcing steel bars to the elevation of the bottom of the opening to complete the mounting of the bottom wall reinforcing steel bars;
a positioning steel bar mounting step, namely welding a pre-buried sleeve positioning steel bar on a bottom wall body steel bar according to the positioning position of the pre-buried protective closed sleeve so as to position the pre-buried protective closed sleeve;
a sleeve installation step, namely installing the embedded protective closed sleeve to the bottom wall body steel bar and the embedded sleeve positioning steel bar according to the positioning position of the embedded sleeve positioning steel bar;
a top reinforcing steel bar mounting step, namely binding the wall reinforcing steel bars above the elevation of the bottom of the opening to finish binding and mounting of all the wall reinforcing steel bars;
and a concrete molding step, namely installing a template and pouring concrete, and removing the template after the concrete is molded.
9. The construction method of the pre-buried protective closed sleeve with the hole reinforcing steel bar according to claim 8, wherein between the sleeve installation step and the top steel bar installation step, the construction method further comprises the following steps:
and a positioning rechecking step, namely rechecking the position of the installed embedded protective closed sleeve, carrying out the top steel bar installation step if the embedded protective closed sleeve is qualified, and skipping to the positioning steel bar installation step if the embedded protective closed sleeve is unqualified.
10. The construction method of the pre-buried protective closed sleeve with the entrance reinforcing steel bar according to claim 8 or 9, characterized by further comprising, after the concrete forming step:
and a rechecking step, namely rechecking the formed concrete hole and the embedded protective closed sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110766600.9A CN113653263A (en) | 2021-07-07 | 2021-07-07 | Pre-buried protective closed sleeve with hole reinforcing steel bars and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110766600.9A CN113653263A (en) | 2021-07-07 | 2021-07-07 | Pre-buried protective closed sleeve with hole reinforcing steel bars and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113653263A true CN113653263A (en) | 2021-11-16 |
Family
ID=78490002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110766600.9A Pending CN113653263A (en) | 2021-07-07 | 2021-07-07 | Pre-buried protective closed sleeve with hole reinforcing steel bars and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113653263A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592788A (en) * | 2016-12-22 | 2017-04-26 | 中国核工业二四建设有限公司 | Blocking device for high pressure hole, construction method and application thereof |
| CN206360449U (en) * | 2017-01-03 | 2017-07-28 | 无锡市天宇民防建筑设计研究院有限公司 | Boring device after people's air defense wall |
| CN107558636A (en) * | 2017-09-10 | 2018-01-09 | 中国二十二冶集团有限公司 | Cast-in-place shear wall prefabricated doors and windows entrance construction method |
| CN207378306U (en) * | 2017-09-29 | 2018-05-18 | 南京市第八建筑安装工程有限公司 | Air hose wears Guardwall structures |
| CN208803736U (en) * | 2018-08-25 | 2019-04-30 | 广州天衣防水补强新技术开发有限公司 | Shear wall punching internal ruggedized construction |
| CN211037820U (en) * | 2019-09-06 | 2020-07-17 | 景森设计股份有限公司 | Reinforced structure of reinforced concrete beam equipment entrance to a cave |
| CN111503382A (en) * | 2020-06-02 | 2020-08-07 | 山东省人民防空建筑设计院 | Airtight structure and civil air defense engineering building |
| CN113027129A (en) * | 2021-03-24 | 2021-06-25 | 甘肃建投建设有限公司 | Embedded integrated distribution box and construction method |
-
2021
- 2021-07-07 CN CN202110766600.9A patent/CN113653263A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592788A (en) * | 2016-12-22 | 2017-04-26 | 中国核工业二四建设有限公司 | Blocking device for high pressure hole, construction method and application thereof |
| CN206360449U (en) * | 2017-01-03 | 2017-07-28 | 无锡市天宇民防建筑设计研究院有限公司 | Boring device after people's air defense wall |
| CN107558636A (en) * | 2017-09-10 | 2018-01-09 | 中国二十二冶集团有限公司 | Cast-in-place shear wall prefabricated doors and windows entrance construction method |
| CN207378306U (en) * | 2017-09-29 | 2018-05-18 | 南京市第八建筑安装工程有限公司 | Air hose wears Guardwall structures |
| CN208803736U (en) * | 2018-08-25 | 2019-04-30 | 广州天衣防水补强新技术开发有限公司 | Shear wall punching internal ruggedized construction |
| CN211037820U (en) * | 2019-09-06 | 2020-07-17 | 景森设计股份有限公司 | Reinforced structure of reinforced concrete beam equipment entrance to a cave |
| CN111503382A (en) * | 2020-06-02 | 2020-08-07 | 山东省人民防空建筑设计院 | Airtight structure and civil air defense engineering building |
| CN113027129A (en) * | 2021-03-24 | 2021-06-25 | 甘肃建投建设有限公司 | Embedded integrated distribution box and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206220089U (en) | A kind of bridge reinforcement cage makes positioner | |
| KR101553345B1 (en) | Method for constructing junction between the double wall Precast Concrete panels and the junction structure | |
| CN104018514B (en) | Large Towers kind equipment basis pre-embedded anchoring bolts inversion construction method | |
| US11060287B2 (en) | Prefabricated structural reinforcements | |
| CN110630009A (en) | Arc concrete structure formwork reinforcing construction method | |
| JP6581536B2 (en) | Method for producing rebar rod for tunnel lining and tunnel lining method | |
| CN113653263A (en) | Pre-buried protective closed sleeve with hole reinforcing steel bars and construction method thereof | |
| CN103696437A (en) | Construction method for cutting latticed column | |
| CN117386121A (en) | Aluminum alloy template of containment sphere-segment dome, design method and construction method thereof | |
| CN108179839B (en) | Four-round steel pipe combined column and manufacturing method thereof | |
| JPS5840627B2 (en) | Reinforcement sleeve structure for through holes in concrete structures | |
| CN214301761U (en) | Staple bolt-bolt hybrid node and foundation pit inner support structure | |
| CN212771978U (en) | Internal mold of box girder | |
| CN110319707B (en) | Installation method of large-scale environment-friendly sintering flue gas mixer | |
| CN205502575U (en) | A piping shaft structure for buried sleeve one shot forming construction | |
| JP2020197071A (en) | Pile holding jig, pile holding jig assembly, and construction method for holding pile position | |
| CN218374945U (en) | Pre-buried formula exhaust passage unloading device | |
| CN215631068U (en) | A piece together formula reinforcing bar ring beam scattered that is used for space narrow and small and difficult installation | |
| CN206289750U (en) | A kind of crab-bolt fixed mount | |
| CN216552716U (en) | Concrete floor embeds thin wall pipe protection location split heads | |
| JP2006125176A (en) | Method of forming hole of concrete structure and device for forming hole | |
| CN110924508B (en) | Composite lining water pipe structure and construction method | |
| CN217998153U (en) | Positioning device for tensioning buried pipe in mixed tower fan foundation | |
| CN215804601U (en) | Tunnel primary support system | |
| CN110630820B (en) | Waterproof sleeve for group penetrating through floor and manufacturing, positioning and mounting method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211116 |
|
| RJ01 | Rejection of invention patent application after publication |