CN110778110A - Post-pouring method for plugging plate at hollow-out structure of hyperboloid diagonal grid concrete member - Google Patents
Post-pouring method for plugging plate at hollow-out structure of hyperboloid diagonal grid concrete member Download PDFInfo
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- CN110778110A CN110778110A CN201911044393.5A CN201911044393A CN110778110A CN 110778110 A CN110778110 A CN 110778110A CN 201911044393 A CN201911044393 A CN 201911044393A CN 110778110 A CN110778110 A CN 110778110A
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- die
- concrete member
- lining
- hyperboloid
- plugging plate
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- 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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention relates to a post-pouring method of a plugging plate at a hollow-out structure of a hyperboloid diagonal grid concrete member, which comprises the following steps: erecting a bottom die matched with a concrete member to be formed, and fixedly installing a lining die matched with the hollow structure at the position of the bottom die where the hollow structure is to be formed; providing reserved ribs, paving the reserved ribs on the bottom die, partially inserting the reserved ribs into the lining die, and pouring concrete on the bottom die to form a concrete member; and removing the lining die to form the hollow structure, inserting the reserved ribs into the part of the lining die to expose to form an exposed section, providing reinforcing steel bars, binding the reinforcing steel bars at the hollow structure, connecting and fixing the reinforcing steel bars and the exposed section of the reserved ribs, and pouring concrete on the reinforcing steel bars to form a plugging plate for plugging the bottom of the hollow structure. The invention effectively solves the problem that the plugging plate is difficult to pour at the hollow structure of the concrete member, does not need to plant the steel bars at the later stage, avoids influencing the peripheral concrete structure and ensures the construction quality.
Description
Technical Field
The invention relates to the field of building construction, in particular to a post-pouring method of a plugging plate at a hollow-out structure of a hyperboloid diagonal grid concrete member.
Background
In the building construction field, adopt the concrete structure of heterotypic many curved surfaces fretwork molding more and more, this fretwork molding generally forms when the cast in situ concrete, and often need increase fire prevention closure plate in fretwork department in this kind of structure, because fire prevention closure plate is different with the concrete material of cast-in-place adoption, consequently need pour fire prevention closure plate after heterotypic fretwork structure forms, current pouring method often carries out the back bar planting at peripheral structure, accurate row spacing and the position of arranging of reinforcing bar are difficult to guarantee to this kind of mode, and produce the influence to peripheral major structure easily at the in-process of bar planting, consume manpower and materials, the cost is higher, and can not guarantee construction quality.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a post-pouring method of a plugging plate at the hollow structure of a hyperboloid diagonal grid concrete member, solves the problem that the plugging plate is difficult to pour at the hollow structure of the concrete member, does not need to plant bars at the later stage, avoids influencing the peripheral concrete structure, and ensures the construction quality.
The technical scheme for realizing the purpose is as follows:
the invention provides a post-pouring method of a plugging plate at a hollow-out structure of a hyperboloid diagonal grid concrete member, which comprises the following steps:
s11, erecting a bottom die matched with the concrete member to be formed, and fixedly installing a lining die matched with the hollow structure at the position of the bottom die where the hollow structure is to be formed;
s12, providing reserved ribs, paving the reserved ribs on a bottom die and partially inserting the reserved ribs into a lining die, and pouring concrete on the bottom die to form a concrete member;
s13, removing the lining die to form the hollow structure, exposing the part of the reserved rib inserted in the lining die to form an exposed section, providing a reinforcing steel bar, binding the reinforcing steel bar at the hollow structure, connecting and fixing the reinforcing steel bar and the exposed section of the reserved rib, and pouring concrete on the reinforcing steel bar to form a plugging plate for plugging the bottom of the hollow structure.
According to the post-pouring method for the plugging plate at the hollow structure of the concrete member with the hyperboloid diagonal grids, the lining die is arranged on the bottom die, the reserved ribs are inserted into the side portions of the lining die, when the concrete member is poured and formed, the parts, located on the outer sides of the lining die, of the reserved ribs are embedded in concrete, the lining die is detached after the hollow structure is formed, the parts, inserted into the lining die, of the reserved ribs are exposed to form the exposed sections, the reinforcing steel bars are bound to the exposed sections, then the concrete is poured to form the plugging plate for plugging the hollow structure, additional steel bars are not needed to be planted before the plugging plate is poured, the exposed sections of the reserved ribs can be directly used for binding and fixing, the problem that the plugging plate at the hollow structure of the concrete member is difficult to pour is solved, later-stage steel bar planting is not needed, influences on the peripheral concrete structure are avoided, and.
The post-pouring method of the plugging plate at the hollow structure of the hyperboloid diagonal grid concrete member is further improved in that the lining mold comprises a first lining mold part and a second lining mold part, wherein the thickness of the first lining mold part is matched with that of the plugging plate, and the second lining mold part is matched with the hollow structure;
and inserting the reserved rib part into the first lining mold part, and then fixedly installing the second lining mold part on the top of the first lining mold part.
The post-pouring method of the plugging plate at the hollow-out structure of the hyperboloid diagonal grid concrete member is further improved in that when the concrete member is formed by pouring, the method further comprises the following steps:
and manufacturing a top die matched with the concrete member to be formed, installing the top die on the top of the lining die, and pouring concrete between the top die and the bottom die to form the concrete member.
The post-pouring method of the plugging plate at the hollow-out structure of the hyperboloid diagonal grid concrete member is further improved in that the method also comprises the following steps before the concrete member is poured and formed:
and a fixed keel is arranged above the lining die, and the fixed keel is fixedly connected with the bottom die through a split bolt, so that the lining die is clamped between the fixed keel and the bottom die.
The post-pouring method of the plugging plate at the hollow-out structure of the hyperboloid diagonal grid concrete member is further improved in that the method also comprises the following steps before the concrete member is poured and formed:
binding a support rib on the bottom die, and correspondingly connecting the support rib with the reserved rib.
The post-pouring method of the plugging plate at the hollow-out structure of the hyperboloid diagonal grid concrete member is further improved in that when the plugging plate is formed by pouring, the method further comprises the following steps:
manufacturing a template matched with the plugging plate to be formed, placing the template above the steel bar and fixing the template on the bottom die through a split bolt;
and arranging a grouting hole at one end of the template, and pouring concrete between the template and the bottom die through the grouting hole to form the plugging plate.
The post-pouring method of the plugging plate at the hollow-out structure of the hyperboloid diagonal grid concrete member is further improved in that the plugging plate is formed by pouring light aggregate concrete.
The post-pouring method of the plugging plate at the hollow-out structure of the hyperboloid diagonal grid concrete member is further improved in that the lining mold and the bottom mold are manufactured by adopting a three-dimensional modeling, numerical control engraving or mold turning grouting method.
Drawings
FIG. 1 is a flow chart of a post-pouring method of a plugging plate at a hollow-out structure of a hyperboloid diagonal grid concrete member according to the present invention.
Fig. 2 is a schematic view of installation of a bottom die, a lining die and a reserved rib part in the post-pouring method of the plugging plate at the hollow-out structure of the hyperboloid diagonal grid concrete member.
Fig. 3 is an installation diagram of a lining mold in the post-pouring method of the plugging plate at the hollow-out structure of the hyperboloid diagonal grid concrete member, wherein the upper half part of the lining mold is omitted to show the position relationship of the lining mold, the reserved ribs and the lining mold.
Fig. 4 is a schematic view of the installation of the fixing keel in the post-pouring method of the plugging plate at the hollow structure of the hyperboloid diagonal grid concrete member of the present invention, wherein the fixing keel at the upper half part is omitted.
FIG. 5 is a schematic diagram of a concrete member formed by the post-pouring method of the plugging plate at the hollow-out structures of the hyperboloid diagonal grid concrete member according to the present invention, wherein the structure of the reinforcing steel bars and the template part is shown in one hollow-out structure.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a post-pouring method of a plugging plate at a hollow structure of a hyperboloid diagonal grid concrete member, wherein a lining mold is arranged on a bottom mold, a reserved rib is inserted into the lining mold, when the concrete member is poured and formed, the part of the reserved rib positioned at the outer side of the lining mold is embedded in concrete, the lining mold is removed after the hollow structure is formed, so that the part of the reserved rib inserted in the lining mold is exposed to form an exposed section, a reinforcing steel bar is bound to the exposed section, then the concrete is poured to form the plugging plate for plugging the hollow structure, no additional bar planting is needed before pouring the plugging plate, the exposed section of the reserved rib can be directly bound and fixed, the problem that the plugging plate at the hollow structure of the concrete member is difficult to pour is solved, no later bar planting is needed, the influence on the peripheral concrete structure is avoided, and the construction quality is ensured. The post-pouring method of the plugging plate at the hollow-out structure of the hyperboloid diagonal grid concrete member is described below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a flow chart of a post-pouring method of a plugging plate at a hollow-out structure of a hyperboloid diagonal grid concrete member according to the present invention. The post-pouring method of the plugging plate at the hollow-out structure of the hyperboloid diagonal grid concrete member according to the present invention is described with reference to fig. 1.
As shown in fig. 1, fig. 2, fig. 3 and fig. 5, the post-pouring method of the plugging plate at the hollow-out structure of the hyperboloid diagonal grid concrete member of the present invention comprises the following steps:
step S11, erecting a bottom die 11 matched with the concrete member 21 to be formed, and fixedly installing a lining die 12 matched with the hollow structure 22 at the position of the bottom die 11 where the hollow structure 22 is to be formed; then, step S12 is executed
Step S12, providing reserved ribs 13, laying the reserved ribs 13 on the bottom die 11 and partially inserting the reserved ribs 13 into the lining die 12, pouring concrete on the bottom die 11 to form concrete members 21, and burying the reserved parts of the reserved ribs 13 in the concrete; then, step S13 is executed
And S13, removing the lining die 12 to form a hollow structure 22, exposing the part of the reserved rib 13 inserted in the lining die 12 to form an exposed section, providing a reinforcing steel bar 15, binding the reinforcing steel bar 15 at the hollow structure 22, connecting and fixing the reinforcing steel bar 15 and the exposed section of the reserved rib 13, pouring concrete on the reinforcing steel bar 15 to form a blocking plate for blocking the bottom of the hollow structure 22, and providing a foundation for binding and fixing the reinforcing steel bar 15 by the exposed section of the reserved rib 13 without embedding a rib.
Specifically, the lining mold 12 comprises a first lining mold part 121 with the thickness matched with that of the blocking plate and a second lining mold part 122 matched with the hollow structure 22, and the arrangement of the reserved ribs 13 is matched with the arrangement of the reinforcing steel bars 15 of the blocking plate because the reserved ribs 13 inserted into the first lining mold part 121 are bound and connected with the reinforcing steel bars 15 of the blocking plate at the later stage;
the reserved rib 13 is partially inserted into the first insert mold part 121, and then the second insert mold part 122 is fixedly mounted on the top of the first insert mold part 121.
Preferably, the lining mold 12 is a multi-curvature light hard template, the surface of the lining mold is made of glass fiber reinforced plastics with the thickness of 4mm, the foaming polyurethane filler is injected inside, the end part of the reserved rib 13 penetrates through the glass fiber reinforced plastics part on the surface of the lining mold and is inserted into the foaming polyurethane filler which is injected inside, so that the reserved rib 13 of the reserved part at the hollow structure is realized, and the reserved part of the reserved rib 13 can be exposed by removing the lining mold 12 subsequently.
In a preferred embodiment of the present invention, the method for forming the concrete member 21 by casting further includes:
a top mold matching the concrete member 21 to be formed is made, the top mold is installed on the top of the lining mold 12, and concrete is poured between the top mold and the bottom mold 11 to form the concrete member 21.
Further, as shown in fig. 4, before the concrete member is formed by casting, the method further includes:
a fixing keel 14 is arranged above the lining die 12, and the fixing keel 14 is fixedly connected with the bottom die 11 through a split bolt, so that the lining die 12 is clamped between the fixing keel 14 and the bottom die 11.
Specifically, before the concrete member 21 is formed by pouring, the method further includes:
binding a support rib on the bottom die 11, and correspondingly connecting the support rib with the reserved rib 13.
Further, as shown in fig. 5, when the plugging plate is formed by pouring, the method further includes:
manufacturing a template 16 matched with a plugging plate to be formed, placing the template 16 above the steel bars 15 and fixing the template to the bottom die 11 through split bolts;
one end of the formwork 16 is provided with a grouting hole, and concrete is poured between the formwork 16 and the bottom mold 11 through the grouting hole to form the plugging plate.
Specifically, the corresponding portions of the form 16 and the surrounding concrete member 21 may be stitched with polyurethane and smoothed to close the gap.
Preferably, the plugging plate is formed by pouring lightweight aggregate concrete so as to meet the fireproof plugging effect.
Preferably, the lining mold 12 and the bottom mold 11 are manufactured by three-dimensional modeling, numerical control engraving or mold-turning grouting to ensure the molding quality of the concrete member 21.
The specific embodiment of the invention is as follows:
building a bottom die 11 according to a concrete member 21 to be formed, installing a first lining die part 121 on the bottom die 11 along a position where a hollow structure 22 is to be formed, inserting a reserved rib 13 at an interval from the side part of the first lining die part 121, partially exposing the reserved rib 13 to the outer side of a lining die 12, and fixedly installing a second lining die part 122 on the top of the first lining die part 121, thereby forming the lining die 12;
mounting a support rib on the bottom die 11, and fixedly connecting the support rib with the exposed part of the reserved rib 13;
polyurethane seam-closing and polishing can be utilized at the contact position of the lining die 12 and the bottom die 11;
fixing the fixed keel 14 with the bottom die 11 through a split bolt, clamping the lining die 12 by the fixed keel 14 and the bottom die 11, installing a top die on the top of the lining die 12, pouring concrete between the top die and the bottom die 11 to form a concrete member 21 with a hollow structure 22, and embedding the exposed part of the reserved rib 13 and the support rib in the concrete;
removing the fixed keel 14, the top die and the lining die 12 to expose the part of the reserved rib 13 inserted in the lining die 12 to form an exposed section, binding a reinforcing steel bar 15 on the exposed section, manufacturing a template 16 matched with a to-be-formed plugging plate, and placing the template 16 above the reinforcing steel bar 15 and fixedly connecting the template 16 with the bottom die 11 through split bolts;
concrete is poured between the template 16 and the bottom die 11 through a grouting hole formed in the template 16 to form the plugging plate, and at the moment, the exposed section of the reserved rib 13 and the reinforcing steel bar 15 are both embedded in the concrete of the plugging plate, so that the plugging plate is formed by post-pouring in the hollow structure 22 of the concrete member 21.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (8)
1. A post-pouring method of a plugging plate at a hollow-out structure of a hyperboloid diagonal grid concrete member is characterized by comprising the following steps:
s11, erecting a bottom die matched with the concrete member to be formed, and fixedly installing a lining die matched with the hollow structure at the position of the bottom die where the hollow structure is to be formed;
s12, providing reserved ribs, laying the reserved ribs on the bottom die and partially inserting the reserved ribs into the lining die, and pouring concrete on the bottom die to form the concrete member;
s13, removing the lining die to form the hollow structure, exposing the part of the reserved rib inserted in the lining die to form an exposed section, providing a reinforcing steel bar, binding the reinforcing steel bar at the hollow structure, connecting and fixing the reinforcing steel bar and the exposed section of the reserved rib, and pouring concrete on the reinforcing steel bar to form a plugging plate for plugging the bottom of the hollow structure.
2. The post-casting method for the plugging plate at the hollowed-out structure of the hyperboloid diagonal grid concrete member according to claim 1, wherein the lining mold comprises a first lining mold part with the thickness matched with that of the plugging plate and a second lining mold part matched with the hollowed-out structure;
and inserting the reserved rib part into the first lining mold part, and then fixedly installing the second lining mold part on the top of the first lining mold part.
3. The post-casting method for the plugging plate at the hollow structure of the hyperboloid diagonal grid concrete member according to claim 1, wherein when the concrete member is formed by casting, the method further comprises the following steps:
and manufacturing a top die matched with the concrete member to be formed, installing the top die on the top of the lining die, and pouring concrete between the top die and the bottom die to form the concrete member.
4. The post-casting method for the closure plate at the hollow structure of the hyperboloid diagonal grid concrete member according to claim 1, wherein before the concrete member is cast, the method further comprises the following steps:
set up fixed fossil fragments above the lining mould, and will fixed fossil fragments through split bolt with die block fixed connection makes the lining mould clamp is located fixed fossil fragments with between the die block.
5. The post-casting method for the closure plate at the hollow structure of the hyperboloid diagonal grid concrete member according to claim 1, wherein before the concrete member is cast, the method further comprises the following steps:
binding support ribs on the bottom die, and correspondingly connecting the support ribs with the reserved ribs.
6. The post-casting method for the closure plate at the hollow-out structure of the hyperboloid diagonal grid concrete member according to claim 1, wherein when the closure plate is formed by casting, the method further comprises the following steps:
manufacturing a template matched with the plugging plate to be formed, placing the template above the steel bars and fixing the template on the bottom die through split bolts;
and arranging a grouting hole at one end of the template, and pouring concrete between the template and the bottom die through the grouting hole to form the plugging plate.
7. The post-casting method of the closure plate at the hollowed-out structure of the hyperboloid diagonal grid concrete member as claimed in claim 6, wherein the closure plate is cast by lightweight aggregate concrete.
8. The post-casting method for the plugging plate at the hollowed-out structure of the hyperboloid diagonal grid concrete member according to claim 1, wherein the lining mold and the bottom mold are manufactured by a three-dimensional modeling, numerical control engraving or mold-turning grouting method.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911044393.5A CN110778110B (en) | 2019-10-30 | 2019-10-30 | Post-pouring method for plugging plate at hollow-out structure of hyperboloid diagonal grid concrete member |
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| CN201911044393.5A CN110778110B (en) | 2019-10-30 | 2019-10-30 | Post-pouring method for plugging plate at hollow-out structure of hyperboloid diagonal grid concrete member |
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| CN110778110B CN110778110B (en) | 2021-11-09 |
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| CN208668732U (en) * | 2017-12-22 | 2019-03-29 | 贵州大学 | A kind of large-span concrete prismatic surface arch grid shell roof structure |
| KR20190098599A (en) * | 2018-02-14 | 2019-08-22 | 한국토지주택공사 | Rigidity reinforcement apparatus for beam with web openings |
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| WO2013005433A1 (en) * | 2011-07-04 | 2013-01-10 | 積水化学工業株式会社 | Fire-resistant reinforcement structure and method for constructing fire-resistant reinforcement structure |
| CN203361971U (en) * | 2013-06-24 | 2013-12-25 | 刘鸿扬 | Compound functional division type fireproof door plate and fireproof wallboard |
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