CN111549828B - Construction method of detachable blocking steel plate of basement roof post-cast strip - Google Patents
Construction method of detachable blocking steel plate of basement roof post-cast strip Download PDFInfo
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- CN111549828B CN111549828B CN202010470317.7A CN202010470317A CN111549828B CN 111549828 B CN111549828 B CN 111549828B CN 202010470317 A CN202010470317 A CN 202010470317A CN 111549828 B CN111549828 B CN 111549828B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention relates to the technical field of post-cast strips, and discloses a construction method of a detachable blocking steel plate of a post-cast strip of a top plate of an underground chamber, which comprises the following steps: s10, performing waterproof construction at the top plate of the basement to form a waterproof layer; s20, arranging a concrete pouring reserved pipe at the post-pouring strip of the top plate; s30, installing guide rails on top plates on two sides of the post-cast strip; s40, paving steel plates on the guide rails on the two sides; s50, arranging a reserved dismantling groove at the post-cast strip of the top plate; s60, backfilling soil on the top plate to form a covering layer; s70, pouring post-cast strip concrete along the concrete pouring reserved pipe; and S80, after the construction is finished, drawing out the concrete pouring reserved pipe, then sliding the steel plate along the guide rail, and taking out the steel plate from the reserved dismantling groove. The construction method of the underground chamber roof post-cast strip detachable plugging steel plate provided by the technical scheme of the invention greatly reduces the construction cost.
Description
Technical Field
The invention relates to the technical field of post-cast strips, in particular to a construction method of a detachable blocking steel plate of a post-cast strip of a top plate of an underground chamber.
Background
The post-cast strip is a concrete strip reserved at the corresponding position of a foundation slab, a wall and a beam according to the design or construction specification requirement in order to prevent harmful cracks possibly generated by uneven self shrinkage or uneven settlement of a cast-in-place reinforced concrete structure in the building construction.
In order to realize the municipal administration of the basement roof area, the traditional post-cast strip treatment scheme is as follows: and after the covering layer is backfilled, concrete is poured in the post-cast strip through the pouring holes, and the structures are connected into an integral zone.
However, after the construction is completed, the prefabricated concrete cover plate covers under the covering layer, and cannot be recycled and reused, so that the construction cost is high and the construction cost is increased.
Disclosure of Invention
The invention aims to provide a construction method of a detachable blocking steel plate of a post-cast strip of a top plate of an underground chamber, and aims to solve the problem of high construction cost in the prior art.
The invention is realized in this way, a construction method of a detachable plugging steel plate of a post-cast strip of a roof of an underground chamber comprises the following steps:
s10, performing waterproof construction at the top plate of the basement to form a waterproof layer;
s20, arranging a concrete pouring reserved pipe at the post-pouring strip of the top plate;
s30, installing guide rails on top plates on two sides of the post-cast strip;
s40, paving steel plates on the guide rails on the two sides;
s50, arranging a reserved dismantling groove at the post-cast strip of the top plate;
s60, backfilling soil on the top plate to form a covering layer;
s70, pouring post-cast strip concrete along the concrete pouring reserved pipe;
and S80, after the construction is finished, drawing out the concrete pouring reserved pipe, then sliding the steel plate along the guide rail, and taking out the steel plate from the reserved dismantling groove.
Optionally, the step S10 includes:
laying a waterproof coiled material on the top plate of the basement;
when the waterproof roll above the post-cast strip is laid, two sides of the waterproof roll are tightened, and the waterproof roll forms the waterproof layer.
Optionally, the step S20 includes:
an opening is formed in the waterproof coiled material above the post-pouring belt, and a curling part is reserved at the position, facing upwards, of the opening of the waterproof coiled material;
inserting the concrete pouring reserved pipe into the opening, and enabling the concrete pouring reserved pipe to be communicated with the post-pouring belt;
and the root part of the concrete pouring reserved pipe is wrapped by a rubber ring, so that the curled part surrounds the periphery of the concrete pouring reserved pipe.
Optionally, before step S30:
and laying a primary soil layer above the waterproof layer at the top plate.
Optionally, the step S30 includes:
installing the guide rails on the primary soil layers on two sides of the post-cast strip, wherein the guide rails extend along the length direction of the post-cast strip;
the lower part of the guide rail is embedded in the primary soil layer.
Optionally, the step S40 includes:
laying a lower layer foam board;
laying steel plates on the installation guide rails on the two sides of the post-cast strip;
and laying an upper layer foam board above the steel plate.
Optionally, the lower foam board is disposed between the mounting rails on both sides, and the width of the upper foam board is not less than the width of the steel plate.
Optionally, the number of the steel plates is multiple, the steel plates are connected by an iron chain, and the steel plates are arranged in the extending direction of the length of the post-cast strip.
Optionally, the reserved dismantling groove is located in a convergence area where the post-cast strips are arranged in a staggered manner.
Optionally, the reserved dismantling groove is built by sand-lime bricks.
Compared with the prior art, the construction method for the basement roof post-cast strip detachable blocking steel plate has the advantages that the structure of the basement roof is connected into a whole through the construction steps, the structure stability of the basement roof is guaranteed, the concrete pouring reserved pipe is drawn out after the construction is completed, then the steel plate can slide along the guide rail and is taken out from the reserved dismantling groove, and compared with the method that the precast concrete cover plate is arranged at the upper part of the post-cast strip, the construction method enables the steel plate to be detachable, the recycling is achieved, and the construction cost is greatly reduced. The problem of among the prior art, construction cost is high is solved.
Drawings
FIG. 1 is a schematic step diagram of a construction method of a removable blocking steel plate of a post-cast strip of a basement roof provided by the invention;
FIG. 2 is a schematic cross-sectional view of a concrete pouring reserved pipe in the construction method of the basement roof post-cast strip detachable blocking steel plate provided by the invention;
fig. 3 is a schematic top view of the construction method of the basement roof post-cast strip detachable blocking steel plate provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
The construction method of the detachable blocking steel plate of the post-cast strip of the basement roof greatly reduces the construction cost.
Referring to fig. 1, 2 and 3, a preferred embodiment of the present invention is shown.
In the embodiment of the invention, the construction method of the detachable blocking steel plate of the post-cast strip of the basement roof comprises the following steps:
s10, performing waterproof construction on the top plate 15 of the basement to form a waterproof layer 11; the formed waterproof layer 11 can avoid water leakage and protect the interior of the basement;
s20, arranging a concrete pouring reserved pipe 14 at the post-pouring belt 15a of the top plate 15; the concrete pouring reserved pipe 14 is used for subsequently pouring concrete into the post-pouring belt 15a through the concrete pouring reserved pipe 14 so as to integrally connect the top plate 15 structure;
s30, mounting guide rails 12 on the top plates 15 on two sides of the post-cast strip 15 a; in the embodiment, the guide rail 12 is an angle steel, the angle steel is arranged at the corner upwards for stable fixation, and the guide rail 12 can be used for placing the steel plate 13, so that on one hand, the stability of the steel plate 13 is ensured, the post-cast strip 15a concrete pouring is facilitated, and on the other hand, the steel plate 13 is convenient to move and dismantle along the guide rail 12;
s40, paving steel plates 13 on the guide rails 12 on the two sides; the two ends of the steel plate 13 are placed on the guide rails 12 on the two sides, and the steel plate 13 at the position of the concrete pouring reserved pipe 14 is provided with an opening so that the concrete pouring reserved pipe 14 can pass through the opening, and the steel plate 13 is arranged at the position of the post-cast strip 15a in a pressing mode through the laid steel plate 13, so that concrete in the post-cast strip 15a is prevented from seeping out, and the integral structure stability of the top plate 15 is guaranteed;
s50, arranging a reserved dismounting groove 15b at the post-cast strip 15a of the top plate 15; the reserved dismantling groove 15b is positioned at the post-cast strip 15a and is arranged on the top plate 15, and the steel plate 13 extends into the reserved dismantling groove 15 b;
s60, forming a covering layer 16 by backfilling the top plate 15; after backfilling, the top plate 15 of the basement is covered to ensure normal traffic on the ground;
s70, pouring the post-cast strip 15a concrete along the concrete pouring reserved pipe 14; after concrete is poured, the top of the basement is connected into a whole, so that the stable structure of the top plate 15 of the basement is ensured.
S80, after the construction is completed, the concrete pouring preformed tube 14 is drawn out, and then the steel plate 13 is slid along the guide rail 12 and taken out from the preformed removal groove 15 b.
In order to prevent the concrete poured along the precast concrete pipes 14 from leaking into the basement, a bottom support formwork 151 is provided below the basement ceiling 15, and the bottom support formwork 151 covers the post-cast strip 15 a.
Like this, through above-mentioned construction steps, link the structure of basement roof 15 into a whole, guarantee the stable in structure of basement roof 15, after the construction is accomplished, take concrete placement reservation pipe 14 out, then can slide steel sheet 13 along guide rail 12 to demolish groove 15b from reserving and take out, compare in watering area 15a upper portion after and set up precast concrete apron, this construction method makes steel sheet 13 realize dismantling, has realized cyclic utilization, greatly reduced construction cost.
Referring to fig. 2, in an embodiment of the present invention, step S10 includes:
laying waterproof coiled materials on the top plate 15 of the basement;
when the waterproofing membrane above the post-cast strip 15a is laid, both sides of the waterproofing membrane are tightened, and the waterproofing membrane forms the waterproofing layer 11.
Waterproofing membrane is paved to the roof 15 of basement, and adjacent waterproofing membrane's edge coincide each other, in order to guarantee whole roof 15's waterproof nature, and, the waterproofing membrane both sides of post-cast strip 15a top are tight state, and like this, the waterproofing membrane's of post-cast strip 15a top straight state has been guaranteed, and simultaneously, when pouring concrete in follow-up post-cast strip 15a, also can avoid the concrete in the post-cast strip 15a to cross waterproofing membrane, guarantees to pave the concrete in whole post-cast strip 15 a.
In this embodiment, the waterproof roll may be, but is not limited to, a polyethylene polypropylene composite waterproof roll, and is bonded by a setting adhesive, and after the setting adhesive is dried, the waterproof roll is riveted and bonded with the nonwoven fabric on the surface of the roll.
Referring to fig. 2, in an embodiment of the present invention, step S20 includes:
an opening is formed in the waterproof coiled material above the post-pouring belt 15a, and a curling part is reserved at the upward opening of the waterproof coiled material;
inserting the concrete pouring reserved pipe 14 into the opening, and enabling the concrete pouring reserved pipe 14 to be communicated with the post-cast strip 15 a;
the root of the concrete pouring reserved pipe 14 is wrapped by a rubber ring to form a curled part, and the curled part is arranged on the periphery of the concrete pouring reserved pipe 14 in a surrounding mode.
After the post-cast strip 15a is poured, when the concrete pouring reserved pipe 14 is taken out, the curled portion bound by the rubber ring can be naturally tightened, so that the post-cast strip 15a is sealed, and the internal concrete is prevented from seeping.
Therefore, after the concrete pouring reserved pipe 14 is taken out, the left pipe hole is backfilled and tamped, the flatness of the ground is guaranteed, normal walking and use are facilitated, and the backfilled soil body cannot enter the post-pouring belt 15a due to natural tightening of the curled portion, so that the integral structural strength of the top plate 15 cannot be influenced.
In addition, in order to guarantee that the opening that waterproofing membrane formed is sealed when the curling portion tightens up naturally, above-mentioned rubber circle is established to the downside cover of curling portion, and the upper portion of curling portion reserves the part that can close the opening, and the rubber circle that this embodiment provided is two to guarantee the tightening up of curling portion, of course, as required, the quantity of rubber circle still can be for more, no longer gives details.
Referring to fig. 2, in an embodiment of the present invention, before step S30:
a primary layer of soil 161 is laid over the waterproofing layer 11 at the top panel 15.
The soil layer is only laid above the top plate 15, and is not laid above the post-cast strip 15a, and the laid primary soil layer 161 is used for compacting and fixing the waterproof layer 11 below, so that the subsequent construction is facilitated. In addition, the laid primary soil layer 161 is a soil body which is a part of the subsequent backfill soil, so that other structures do not need to be additionally manufactured, and the cost is reduced.
Further, step S30 includes:
installing guide rails 12 on the primary soil layers 161 on two sides of the post-cast strip 15a, wherein the guide rails 12 extend along the length direction of the post-cast strip 15 a;
the lower part of the guide rail 12 is embedded in the primary soil layer 161.
In this way, the primary soil layer 161 laid above can also be used for fixing the guide rail 12, and in general, if the guide rail 12 is directly installed on the waterproof roll, it is very easy to slide, so that the installation position of the subsequent steel plate 13 is not determined, which is not beneficial to the subsequent construction.
Of course, in other embodiments, in order to stably fix the guide rail 12, the guide rail 12 may be fixed to the top plate 15 by a fixing connection method such as a screw. In addition, in another embodiment, the section of the above-mentioned guide rail 12 may also be L-shaped, and one side of the guide rail 12 is fixed to the primary soil layer 161 or the top plate 15, and the other side of the guide rail 12 is arranged vertically, and the vertical side is located far away from the other guide rail 12, so that the steel plate 13 can be placed between the guide rails 12 on both sides, and the position of the steel plate 13 is fixed due to the position of the vertical side, and is not easy to move.
Referring to fig. 2, in an embodiment of the present invention, step S40 includes:
laying a lower layer foam board 132;
laying steel plates 13 on the mounting guide rails 12 on two sides of the post-cast strip 15 a;
an upper foam sheet 131 is laid over the steel sheet 13.
That is, the steel plate 13 is disposed between the upper foam board 131 and the lower foam board 132, so that the steel plate 13 slides along between the upper foam board 131 and the lower foam board 132 when the steel plate 13 is subsequently taken out, and the steel plate can be taken out more easily.
In this embodiment, the upper foam board 131 and the lower foam board 132 are both polystyrene boards, which can further prevent water from leaking, and in addition, at the position of the concrete pouring reserved pipe 14, the upper foam board 131 and the lower foam board 132 are both provided with openings for the penetration and removal of the concrete pouring reserved pipe 14.
In addition, the lower foam sheet 132 is interposed between the mounting rails 12 on both sides, and the width of the upper foam sheet 131 is not less than the width of the steel sheet 13.
Therefore, the subsequent backfill soil body cannot be directly pressed on the steel plate 13, and the steel plate 13 is convenient to recover.
Moreover, the lower foam board 132 serves as a support for the steel plate 13, and after the steel plate 13 is taken out, the upper foam board 131 abuts against the lower foam board 132, and the upper foam board 131 and the lower foam board 132 are stably butted, so that the backfill body above is tamped.
Further, in other embodiments, a gap is left between the lower foam board 132 and the steel plate 13, so that the steel plate 13 is prevented from being directly pressed on the lower foam board 132 to prevent collapse, on the other hand, when soil is subsequently backfilled, the steel plate 13 and the guide rail 12 are pressed downwards, and the reserved gap ensures the distance that the steel plate 13 can move when pressed downwards.
Referring to fig. 3, in an embodiment of the present invention, the number of the steel plates 13 is multiple, the steel plates 13 are connected by an iron chain 134, and the steel plates 13 are arranged along the extending direction of the post-cast strip 15 a.
Like this, when dismantling steel sheet 13 and take out, a plurality of steel sheets 13 are demolishd groove 15b from reserving and are taken out in proper order, and because be connected with iron chain 134 between steel sheet 13 and the steel sheet 13, like this, can not block in reserving and demolishs the groove 15b because the steel sheet 13 is whole longer, and the steel sheet 13 that breaks away from above-mentioned guide rail 12 can the upswing to make things convenient for subsequent steel sheet 13 to take out in proper order.
Specifically, the iron chains 134 are fixed to the bolts 133 on each steel plate 13, and at least two iron chains 134 are provided on each side of the steel plate 13, and the two iron chains 134 are respectively provided on both sides of the steel plate 13 and connected to the other steel plate 13.
Further, in order to realize the connection between the steel plates 13, a groove is formed on the side edge of each steel plate 13, the grooves between the two steel plates 13 are arranged oppositely, the bolt 133 penetrates through the groove of each steel plate 13, the end part of the iron chain 134 is sleeved on the bolt 133, the iron chain 134 is not easy to fall off due to the fact that the bolt 133 penetrates through the upper part and the lower part, in the process of actually installing the steel plates 13, the steel plates 13 are in butt joint with each other, the grooves of the steel plates 13 on the two sides are in butt joint to form a concave cavity, and the iron chain 134 is arranged in the concave cavity. Meanwhile, the iron chain 134 is placed in the cavity in a non-straightened state, so that the steel plate 13 can be detached from the reserved detaching groove 15b in the following process.
In addition, in order to more stably connect the plurality of steel plates 13 in sequence, an annular notch is formed at the outer circumference of one side of each steel plate 13, and thus, the adjacent steel plates 13 are stably butted by butting the annular notch against the groove of the other steel plate 13.
Referring to fig. 3, in an embodiment of the present invention, the reserved demolition slots 15b are located in the convergence area of the post-cast strip 15a in a staggered arrangement.
Namely, a plurality of post-cast strips 15a are converged at the reserved dismantling groove 15b, so that the steel plates 13 on the post-cast strips 15a can be recycled and dismantled by the same reserved dismantling groove 15b, the construction steps are fewer, and the implementation is facilitated.
In this embodiment, the reserved dismantling groove 15b is constructed by sand-lime bricks.
The sand-lime is piled up in a rectangular shape before backfilling the soil, and the sand-lime is piled up to the height of the ground, and then the soil is backfilled to obtain the reserved demolition groove 15b, and a portion of the steel plate 13 is placed in the reserved demolition groove 15b in order to facilitate the recovery of the steel plate 13.
After the steel plate 13 is completely recovered, the reserved removal groove 15b is backfilled and compacted.
When the reserved dismantling groove 15b constructed by lime-sand bricks is formed, the lime-sand is in rotary lap joint with the upper foam board 131 and then is sequentially enclosed and piled, so that the sealing of the reserved dismantling groove 15b is ensured, the sand and soil of backfill are prevented from entering, and the subsequent dismantling and recycling of the steel plate 13 are facilitated.
Of course, in other embodiments, the reserved removal groove 15b may also be a prefabricated sleeve structure, the bottom of the sleeve structure has a gap for exposing a portion of the steel plate 13, and the sleeve structure is directly erected on the top plate 15 to achieve fixing, so that the method is efficient.
Referring to fig. 3, in an embodiment of the present invention, a plurality of concrete pouring reserved pipes 14 may be arranged as needed, and specifically, in this embodiment, one concrete pouring reserved pipe 14 is arranged in the middle of each post-cast strip 15a corresponding to each connected steel plate 13, so that each post-cast strip 15a is poured uniformly in the subsequent concrete pouring process, and the integral stable structure of the top plate 15 is ensured.
In the pouring process, concrete is slowly poured along the concrete pouring reserved pipe 14 until the concrete leaks out of the top of the concrete pouring reserved pipe 14, pouring is stopped, and the concrete pouring reserved pipe 14 is detached after the concrete at the top is cleaned.
In addition, after the steel plate 13 is removed, since the upper and lower foam boards 131 and 132 lack the steel plate 13, a gap is generated, the upper foam board sinks, and in order to ensure the ground to be flat, backfill soil is further supplemented and tamped to ensure the soil layer stability of the backfill soil.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A construction method of a detachable blocking steel plate of a post-cast strip of a top plate of an underground chamber is characterized by comprising the following steps:
s10, performing waterproof construction at the top plate of the basement to form a waterproof layer;
s20, arranging a concrete pouring reserved pipe at the post-pouring strip of the top plate;
s30, installing guide rails on top plates on two sides of the post-cast strip;
s40, paving steel plates on the guide rails on the two sides;
s50, arranging a reserved dismantling groove at the post-cast strip of the top plate;
s60, backfilling soil on the top plate to form a covering layer;
s70, pouring post-cast strip concrete along the concrete pouring reserved pipe;
s80, after the construction is finished, drawing out the concrete pouring reserved pipe, then sliding the steel plate along the guide rail, and taking out the steel plate from the reserved dismantling groove;
the step S10 includes:
laying a waterproof coiled material on the top plate of the basement;
when the waterproof roll above the post-cast strip is laid, two sides of the waterproof roll are tightened, and the waterproof roll forms the waterproof layer;
the step S20 includes:
an opening is formed in the waterproof coiled material above the post-pouring belt, and a curling part is reserved at the position, facing upwards, of the opening of the waterproof coiled material;
inserting the concrete pouring reserved pipe into the opening, and enabling the concrete pouring reserved pipe to be communicated with the post-pouring belt;
wrapping the curled part at the root of the concrete pouring reserved pipe by using a rubber ring, so that the curled part surrounds the periphery of the concrete pouring reserved pipe;
and after the post-cast strip is poured, when the concrete pouring reserved pipe is taken out, the curled part bound by the rubber ring is naturally tightened, and then the post-cast strip is closed.
2. The construction method of the removable blocking steel plate of the post-cast strip of the roof of the underground chamber as claimed in claim 1, wherein the step S30 is preceded by:
and laying a primary soil layer above the waterproof layer at the top plate.
3. The construction method of the removable blocking steel plate of the post-cast strip of the roof of the underground chamber as claimed in claim 2, wherein the step S30 includes:
installing the guide rails on the primary soil layers on two sides of the post-cast strip, wherein the guide rails extend along the length direction of the post-cast strip;
the lower part of the guide rail is embedded in the primary soil layer.
4. The construction method of the removable blocking steel plate of the post-cast strip of the roof of the underground chamber as claimed in claim 1, wherein the step S40 includes:
laying a lower layer foam board;
laying steel plates on the installation guide rails on the two sides of the post-cast strip;
and laying an upper layer foam board above the steel plate.
5. The construction method of the underground chamber roof post-cast strip detachable blocking steel plate according to claim 4, characterized in that the lower layer foam plate is arranged between the installation rails on both sides, and the width of the upper layer foam plate is not less than the width of the steel plate.
6. The construction method of the detachable blocking steel plate of the post-cast strip of the underground chamber roof as claimed in claim 1, wherein the number of the steel plates is plural, the plural steel plates are connected with each other by iron chains, and the plural steel plates are arranged along the extending direction of the length of the post-cast strip.
7. The construction method of the detachable blocking steel plate of the post-cast strip of the underground chamber roof as claimed in claim 1, wherein the reserved dismantling grooves are located in the convergence area where the post-cast strips are arranged in a staggered manner.
8. The construction method of the detachable blocking steel plate of the post-cast strip of the underground chamber roof as claimed in claim 1, wherein the reserved dismantling groove is built by sand-lime bricks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010470317.7A CN111549828B (en) | 2020-05-28 | 2020-05-28 | Construction method of detachable blocking steel plate of basement roof post-cast strip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010470317.7A CN111549828B (en) | 2020-05-28 | 2020-05-28 | Construction method of detachable blocking steel plate of basement roof post-cast strip |
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| CN111549828B true CN111549828B (en) | 2021-11-23 |
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| CN101200918A (en) * | 2007-12-24 | 2008-06-18 | 中国建筑二局第三建筑公司 | Pre-seal structure of post-subsidence pouring belt and construction method thereof |
| CN104805870A (en) * | 2015-04-16 | 2015-07-29 | 中国二十二冶集团有限公司 | Construction method for first soil filling and then casting at settlement post-cast strip of top plate of basement |
| CN205654108U (en) * | 2016-03-18 | 2016-10-19 | 中国建筑第八工程局有限公司 | Detachable post -cast strip protection device |
| CN207485003U (en) * | 2017-11-28 | 2018-06-12 | 上海宝冶集团南京建筑有限公司 | Protection steel lid board member can be recycled in a kind of post-cast strip |
| CN209040318U (en) * | 2018-10-19 | 2019-06-28 | 江西龙建建设工程有限公司 | Portable horizontal post-cast strip latch closure cover plate |
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2020
- 2020-05-28 CN CN202010470317.7A patent/CN111549828B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101200918A (en) * | 2007-12-24 | 2008-06-18 | 中国建筑二局第三建筑公司 | Pre-seal structure of post-subsidence pouring belt and construction method thereof |
| CN104805870A (en) * | 2015-04-16 | 2015-07-29 | 中国二十二冶集团有限公司 | Construction method for first soil filling and then casting at settlement post-cast strip of top plate of basement |
| CN205654108U (en) * | 2016-03-18 | 2016-10-19 | 中国建筑第八工程局有限公司 | Detachable post -cast strip protection device |
| CN207485003U (en) * | 2017-11-28 | 2018-06-12 | 上海宝冶集团南京建筑有限公司 | Protection steel lid board member can be recycled in a kind of post-cast strip |
| CN209040318U (en) * | 2018-10-19 | 2019-06-28 | 江西龙建建设工程有限公司 | Portable horizontal post-cast strip latch closure cover plate |
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| CN111549828A (en) | 2020-08-18 |
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