CN107513984B - Mounting structure and mounting method of unsupported steel die for gravity dam panel pouring - Google Patents
Mounting structure and mounting method of unsupported steel die for gravity dam panel pouring Download PDFInfo
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- CN107513984B CN107513984B CN201710833581.0A CN201710833581A CN107513984B CN 107513984 B CN107513984 B CN 107513984B CN 201710833581 A CN201710833581 A CN 201710833581A CN 107513984 B CN107513984 B CN 107513984B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/08—Wall dams
- E02B7/10—Gravity dams, i.e. those in which the weight of the structure prevents overturning
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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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Abstract
The mounting structure comprises a plurality of groups of steel films which are formed by steel mould panels, rib plates and two longitudinal supporting beams, wherein a plurality of reserved holes for steel mould connection are formed in the longitudinal rib plates on two sides, and reserved holes for steel mould reinforcement are formed in the steel mould panels; the lower end of the steel mould panel is supported on an upper layer external reinforcing steel bar connected to the side part of the gravity dam bottom plate, and the front surface of the steel mould panel is contacted with the side surface of the gravity dam bottom plate; the front surfaces of the two longitudinal supporting beams are externally provided with wood cushion blocks, and clamping pieces, gaskets and nuts are arranged at the positions of the upper and lower outer stretching reinforcing bars on the back surfaces of the two longitudinal supporting beams; reinforcing steel bars arranged in the reserved holes for reinforcing the steel mould are connected with exposed steel bars at the top of the gravity dam bottom plate through connecting steel bars, nuts are connected to the outside of the front side of the steel mould panel, and clamping pieces, gaskets and nuts for reinforcing are arranged at the positions of the reinforcing steel bars outside the back sides of the two longitudinal supporting beams; the two adjacent steel dies are connected through bolts. The mounting structure does not need external support, and can realize quick assembly disassembly and cyclic utilization of the steel mould.
Description
Technical Field
The invention belongs to the technical field of gravity dam panel pouring construction, and particularly relates to a supporting-free steel die mounting structure and a mounting method for gravity dam panel pouring.
Background
When the gravity dam is poured, the steel mould is construction equipment which is not less than necessary in construction. The traditional steel mould needs a large amount of supports during construction, and traditional steel mould braced system needs stable and easily erects outside support basis, adopts pole setting collocation big horizontal pole, little horizontal pole and bracing to strut, and the component is more and the supporting means is comparatively complicated, has increased the time of installation inspection adjustment, and leads to the steel mould to warp and damage and influence follow-up construction quality because of the local atress is inhomogeneous in the dismouting process easily, from this, it is apparent that traditional steel mould construction has the problem that the efficiency of construction is low, construction cost is high.
Disclosure of Invention
The invention provides a supporting-free steel die mounting structure for pouring a gravity dam panel and a mounting method thereof for solving the technical problems in the prior art, wherein the supporting-free steel die mounting structure does not need external support, and can realize rapid disassembly and recycling of a steel die, thereby improving the construction efficiency and reducing the construction difficulty and the construction cost; the installation construction method can ensure the stability and safety of the installation of the steel mould.
The invention adopts the technical proposal for solving the technical problems in the prior art that:
gravity dam panel pours with no support steel mould mounting structure, its characterized in that:
the gravity dam comprises a plurality of groups of steel films which are sequentially arranged along the length direction of the dam, wherein the plurality of groups of steel dies are arranged outside the side surface of the gravity dam bottom plate; each group of steel forms comprises a steel form panel, rib plates welded on the back surface of the steel form panel to form criss-cross and two longitudinal support beams welded outside the rib plates in parallel, wherein the two longitudinal rib plates positioned on two sides are respectively aligned with the two side edges of the steel form panel, and the lower ends of the two longitudinal support beams extend to the lower part of the steel form panel; a plurality of reserved holes for steel mould connection are formed in two longitudinal rib plates positioned on two sides and are longitudinally arranged, and reserved holes for steel mould reinforcement are formed in positions, which are close to the top end and are positioned between the two longitudinal support beams, on the steel mould panel;
an upper layer of outward extending steel bars and a lower layer of outward extending steel bars are detachably connected to the side part of the gravity dam bottom plate at the position corresponding to each group of steel dies, and each outward extending steel bar consists of at least two outward extending steel bars which are distributed along the horizontal direction; the two outer extension steel bars are positioned between the two longitudinal support beams corresponding to the steel mould, wherein the extension steel bars positioned on the upper layer form supporting contact with the lower end of the corresponding steel mould panel; the front surface of the steel mould panel is contacted with the side surface of the bottom plate of the gravity dam, a wood cushion block is arranged between the front surfaces of the two longitudinal supporting beams and the side surface of the bottom plate of the gravity dam, an upper layer of clamping piece and a lower layer of clamping piece are arranged outside the back surfaces of the two longitudinal supporting beams, the upper layer of clamping piece and the lower layer of clamping piece are respectively in clamping contact with the upper layer of stretching steel bars and the lower layer of stretching steel bars, gaskets and nuts which are in locking connection with the end parts of the stretching steel bars through threads are arranged at positions of the two groups of clamping pieces corresponding to the stretching steel bars, so that the steel mould is fixed outside the side surface of the bottom plate of the gravity dam;
the method comprises the steps that exposed steel bars are pre-buried at positions, corresponding to each group of steel moulds, of the tops of the bottom plates of the gravity dam, reinforcing steel bars are penetrated in reserved holes for reinforcing the steel moulds, connecting steel bars are welded between the exposed steel bars and the corresponding reinforcing steel bars, nuts are connected to the outer sides of the front sides of the reinforcing steel bars, which are positioned on the steel mould panels, of the two longitudinal supporting beams, clamping pieces for clamping and contacting the reinforcing steel bars are arranged on the outer sides of the back sides of the two longitudinal supporting beams, gaskets and nuts which are in locking connection with the end parts of the reinforcing steel bars through threads are arranged at positions, corresponding to the reinforcing steel bars, of the outer sides of the clamping pieces for reinforcing, so that reinforcing connection is formed between the upper end parts of the steel mould panels and the tops of the bottom plates of the gravity dam;
the two adjacent steel dies are detachably connected through bolts penetrating through reserved holes for connecting the corresponding steel dies.
Preferably: the two steel mould reinforcing reserved holes are arranged in the horizontal direction, and are respectively arranged at positions close to the two longitudinal supporting beams; the number of the exposed steel bars which are pre-buried at the top of the gravity dam bottom plate and correspond to the positions of each group of steel moulds is two, and the two exposed steel bars are in one-to-one connection with reinforcing steel bars which are arranged in the preformed holes for reinforcing the two steel moulds in a penetrating manner.
Preferably: the longitudinal rib plates welded on the back of the steel mould panel are 3, the 3 longitudinal rib plates are arranged in a mode of one of two sides and one of the middle, and the two longitudinal support beams are arranged on two sides of the middle longitudinal rib plate in a mirror image mode.
The installation method of the unsupported steel mould for pouring the gravity dam panel is characterized by comprising the following steps of: the unsupported steel mould adopts the steel mould structure, and the installation steps are as follows:
the first step: when the gravity dam bottom plate is poured, two steel bars subjected to thread processing are respectively pre-embedded in an upper layer and a lower layer at the side part of the bottom plate according to the position where each group of steel dies is subsequently placed, and meanwhile, exposed steel bars are pre-embedded at the top part of the gravity dam according to the position where each group of steel dies is subsequently placed; after the bottom plate is poured, removing the steel bars at the side part of the gravity dam to form a preformed hole with threads;
and a second step of: installing steel moulds block by block, and fixing the steel moulds outside the side surface of the gravity dam bottom plate in a leaning way, wherein the installing steps are as follows:
a. firstly, screwing two ends of steel bars subjected to thread processing into preformed holes formed on the side part of a gravity dam bottom plate to form overhanging steel bars;
b. hanging the steel mould into a designated position by using a crane, so that the bottom of the steel mould panel is supported on two overhanging steel bars on the upper layer, and the two overhanging steel bars are arranged between two longitudinal supporting beams;
c. clamping two overhanging steel bars on the upper layer by two channel steels, placing a gasket, tightening and fixing by nuts, and well cushioning one side, close to the bottom plate of the gravity dam, of two longitudinal supporting beams by a wood cushion block with proper thickness in the tightening process; the two overhanging steel bars of the lower layer are reinforced and connected in the same way as the two overhanging steel bars of the upper layer;
d. reinforcing steel bars are inserted into reserved holes for reinforcing the steel mould on the steel mould panel, the reinforcing steel bars and exposed steel bars at corresponding positions on the top of the bottom plate are connected by welding through connecting steel bars, nuts are used for tightening and fixing the front reserved holes of the steel mould panel, and reinforcing connection is carried out on back reinforcing steel bars of the two longitudinal supporting beams in the same mode as the two overhanging steel bars of the upper layer.
e. And (3) installing another steel mould immediately according to the installation steps of b-d, connecting and fixing two adjacent steel moulds by bolts through reserved holes for steel mould connection on the side edges of the steel moulds, and the like until all the steel moulds are installed.
The invention has the advantages and positive effects that:
this no support steel mould mounting structure is fixed the steel mould in gravity dam bottom plate lateral part through installing two upper and lower layer outer stretching reinforcement and complex clamping piece, gasket and nut in gravity dam bottom plate lateral part, and the pre-buried exposed reinforcement in gravity dam bottom plate top is connected with the reinforcement bar, has guaranteed the stable connection of steel mould upper end and gravity dam bottom plate. The steel mould mounting structure does not need external support, and all the connecting parts are detachably connected, so that the steel mould is quickly disassembled and recycled, the construction efficiency is improved, and the construction difficulty and the construction cost are reduced; the installation construction method firmly fixes the steel mould outside the side part of the gravity dam bottom plate, and ensures the stability and safety of the installation of the steel mould.
Drawings
FIG. 1 is a schematic diagram of the structure of an unsupported steel form of the invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a front view of the mounting structure of the unsupported steel form for gravity dam panel casting of the invention;
fig. 4 is a left side view of fig. 3.
In the figure: 1. and (3) steel mould; 1-1, steel mould panels; 1-1-1, a preformed hole for reinforcing a steel mould; 1-2, rib plates; 1-2-1, a preformed hole for connecting a steel mould; 1-3, a longitudinal supporting beam; 2. extending steel bars; 3. a wood cushion block; 4. an upper layer clamping member; 5. a lower layer clamping member; 6. a gasket; 7. a nut; 8. exposing the reinforcing steel bars; 9. reinforcing bars for reinforcement; 10. connecting steel bars; 11. a nut; 12. a clamping member for reinforcement; 13. a gasket; 14. a nut; 15. a bolt; 1', gravity dam bottom plate.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:
the invention relates to a mounting structure of a supportless steel mould for pouring a gravity dam panel, referring to fig. 1-4, which comprises the following steps:
the gravity dam comprises a plurality of groups of steel films 1 which are sequentially arranged along the length direction of the dam, and a plurality of groups of steel dies are arranged outside the side surface of the gravity dam bottom plate. Each group of steel forms by steel form panel 1-1, weld and form crisscross floor 1-2 and weld two longitudinal support beams 1-3 that are parallel arrangement outside the floor at the back of steel form panel, longitudinal support beam adopts the I-steel structure, wherein two longitudinal rib on both sides align with the both sides limit of steel form panel respectively, the lower extreme of two longitudinal support beams extends to the below of steel form panel, for example, steel form panel adopts length 1.9m (L1), width 1.5m (W1), thickness 12mm (S) steel sheet, longitudinal support beam adopts I20 length to be 3.9m (L2) I steel, two longitudinal support beam interval is 0.75m (W2), the upper end of longitudinal support beam and the upper end of steel form panel are in alignment, like this, the length that longitudinal support beam stretches out from steel form panel lower extreme is 2m. The two longitudinal rib plates positioned on two sides are provided with a plurality of reserved holes 1-2-1 for connecting the steel mould which are longitudinally arranged, and the steel mould panel is provided with reserved holes 1-1-1-1 for reinforcing the steel mould which are close to the top end and positioned between the two longitudinal support beams.
The positions of the side parts of the gravity dam bottom plate 1' corresponding to each group of steel dies are detachably connected with an upper layer of outer extension steel bars and a lower layer of outer extension steel bars, and specifically, the outer extension steel bars are of a steel bar structure with threads at two ends, and the outer extension steel bars are detachably connected with threaded holes prefabricated on the side parts of the gravity dam bottom plate through threads at one end. Each of the outward extending reinforcements is composed of at least two outward extending reinforcements 2 arranged in the horizontal direction. The two outer extension steel bars are positioned between the two longitudinal support beams corresponding to the steel mould, wherein the outer extension steel bars positioned on the upper layer are in supporting contact with the lower end of the corresponding steel mould panel. The front of the steel mould panel contacts with the side surface of the bottom plate of the gravity dam, a wood cushion block 3 is arranged between the front of the two longitudinal supporting beams and the side surface of the bottom plate of the gravity dam, an upper layer of clamping piece and a lower layer of clamping piece are arranged outside the back surfaces of the two longitudinal supporting beams, the upper layer of clamping piece and the lower layer of clamping piece respectively form clamping contact with the upper layer of outer stretching steel bars and the lower layer of outer stretching steel bars, and the upper layer of clamping piece 4 and the lower layer of clamping piece 5 can both adopt two channel steels with proper lengths. The two groups of clamping plate parts are respectively provided with a gasket 6 and a nut 7 which is in locking connection with the end parts of the overhanging steel bars through threads at the positions corresponding to the overhanging steel bars, so that the steel mould is fixed outside the side surface of the gravity dam bottom plate.
Exposed steel bars 8 are pre-buried at the top of the gravity dam bottom plate corresponding to each group of steel dies, reinforcing steel bars 9 are penetrated in reserved holes for reinforcing the steel dies, connecting steel bars 10 are welded between the exposed steel bars and the corresponding reinforcing steel bars, nuts 11 are connected to the reinforcing steel bars outside the front side of the steel die panel, and the nuts are preferably conical nuts so as to be taken out when the steel dies are disassembled. The back of the two longitudinal supporting beams is externally provided with a clamping piece 12 for reinforcement, which is in clamping contact with reinforcing steel bars, the clamping piece for reinforcement can adopt two channel steel with proper length, the positions of the outer parts of the clamping piece for reinforcement corresponding to the reinforcing steel bars are respectively provided with a gasket 13 and a nut 14 which is in locking connection with the end parts of the reinforcing steel bars through threads, so that the upper end parts of the steel mould panels are in reinforcing connection with the tops of the gravity dam bottom plates.
The two adjacent steel dies are detachably connected through bolts 15 penetrating through reserved holes for connecting the corresponding steel dies.
In the above-mentioned no support steel mould mounting structure: the number of the steel mould reinforcing preformed holes arranged on each group of steel moulds is preferably two, the two steel mould reinforcing preformed holes are arranged along the horizontal direction, and the two steel mould reinforcing preformed holes are respectively arranged at positions close to the two longitudinal support beams. The two embedded bars arranged at the top of the gravity dam bottom plate and corresponding to the positions of each group of steel moulds are connected with reinforcing steel bars penetrating through the reserved holes for reinforcing the two steel moulds one by one.
In the above-mentioned no support steel mould mounting structure: the longitudinal rib plates welded on the back of the steel mould panel are preferably 3, the 3 longitudinal rib plates are arranged in a mode of one of two sides and one of the middle, and the two longitudinal support beams are arranged on two sides of the middle longitudinal rib plate in a mirror image mode.
The installation method of the unsupported steel mould for pouring the gravity dam panel adopts the steel mould structure, and the installation steps are as follows:
the first step: when the gravity dam bottom plate is poured, two steel bars subjected to thread processing are respectively pre-embedded in an upper layer and a lower layer at the side part of the bottom plate according to the position where each group of steel dies is subsequently placed, and meanwhile, exposed steel bars are pre-embedded at the top part of the gravity dam according to the position where each group of steel dies is subsequently placed; and after the bottom plate is poured, removing the steel bars at the side part of the gravity dam to form a preformed hole with threads.
And a second step of: installing steel moulds block by block, and fixing the steel moulds outside the side surface of the gravity dam bottom plate in a leaning way, wherein the installing steps are as follows:
a. the reinforcing steel bars with both ends processed by thread processing are screwed into preformed holes formed on the side parts of the gravity dam bottom plate to form overhanging reinforcing steel bars.
b. The steel mould is hung into a designated position by a crane, so that the bottom of the steel mould panel is supported on two overhanging steel bars on the upper layer, and the two overhanging steel bars are arranged between two longitudinal supporting beams.
c. Two channel steels are used for clamping two overhanging steel bars on the upper layer, the two channel steels form an upper layer clamping piece, a gasket is placed on the upper layer clamping piece, the upper layer clamping piece is screwed and fixed by nuts, and in the screwing process, two longitudinal supporting beams are well padded on one side, close to the bottom plate of the gravity dam, by a wood cushion block with proper thickness; the two overhanging steel bars of the lower layer are fixedly connected in the same mode as the two overhanging steel bars of the upper layer, namely, the lower layer clamping piece, the gasket, the nut and the matched wood cushion block are fixedly connected.
d. Reinforcing steel bars are inserted into reserved holes for reinforcing the steel mould on the steel mould panel, the reinforcing steel bars and exposed steel bars at corresponding positions on the top of the bottom plate are connected by welding through connecting steel bars, nuts are used for tightening and fixing the front reserved holes of the steel mould panel, and reinforcing connection is carried out on back reinforcing steel bars of the two longitudinal supporting beams in the same mode as the two overhanging steel bars of the upper layer.
e. And (3) installing another steel mould immediately according to the installation steps of b-d, connecting and fixing two adjacent steel moulds by bolts through reserved holes for steel mould connection on the side edges of the steel moulds, and the like until all the steel moulds are installed.
The technical scheme of the invention is that the steel mould is finally obtained after repeated test optimization in the field construction process by researchers, so that the construction process can be simplified to a great extent, the construction difficulty is reduced, the material recycling is realized, the construction cost is reduced, and the steel mould has great popularization and application values on the premise of ensuring the stability and the safety of the steel mould.
Claims (4)
1. Gravity dam panel pours with no support steel mould mounting structure, its characterized in that:
the gravity dam comprises a plurality of groups of steel films which are sequentially arranged along the length direction of the dam, wherein the plurality of groups of steel dies are arranged outside the side surface of the gravity dam bottom plate; each group of steel forms comprises a steel form panel, rib plates welded on the back surface of the steel form panel to form criss-cross and two longitudinal support beams welded outside the rib plates in parallel, wherein the two longitudinal rib plates positioned on two sides are respectively aligned with the two side edges of the steel form panel, and the lower ends of the two longitudinal support beams extend to the lower part of the steel form panel; a plurality of reserved holes for steel mould connection are formed in two longitudinal rib plates positioned on two sides and are longitudinally arranged, and reserved holes for steel mould reinforcement are formed in positions, which are close to the top end and are positioned between the two longitudinal support beams, on the steel mould panel;
an upper layer of outward extending steel bars and a lower layer of outward extending steel bars are detachably connected to the side part of the gravity dam bottom plate at the position corresponding to each group of steel dies, and each outward extending steel bar consists of at least two outward extending steel bars which are distributed along the horizontal direction; the two outer extension steel bars are positioned between the two longitudinal support beams corresponding to the steel mould, wherein the extension steel bars positioned on the upper layer form supporting contact with the lower end of the corresponding steel mould panel; the front surface of the steel mould panel is contacted with the side surface of the bottom plate of the gravity dam, a wood cushion block is arranged between the front surfaces of the two longitudinal supporting beams and the side surface of the bottom plate of the gravity dam, an upper layer of clamping piece and a lower layer of clamping piece are arranged outside the back surfaces of the two longitudinal supporting beams, the upper layer of clamping piece and the lower layer of clamping piece are respectively in clamping contact with the upper layer of stretching steel bars and the lower layer of stretching steel bars, gaskets and nuts which are in locking connection with the end parts of the stretching steel bars through threads are arranged at the positions of the two groups of clamping pieces corresponding to the stretching steel bars, so that the steel mould is fixed outside the side surface of the bottom plate of the gravity dam;
the method comprises the steps that exposed steel bars are pre-buried at positions, corresponding to each group of steel moulds, of the tops of the bottom plates of the gravity dam, reinforcing steel bars are penetrated in reserved holes for reinforcing the steel moulds, connecting steel bars are welded between the exposed steel bars and the corresponding reinforcing steel bars, nuts are connected to the outer sides of the front sides of the reinforcing steel bars, which are positioned on the steel mould panels, of the two longitudinal supporting beams, clamping pieces for clamping and contacting the reinforcing steel bars are arranged on the outer sides of the back sides of the two longitudinal supporting beams, gaskets and nuts which are in locking connection with the end parts of the reinforcing steel bars through threads are arranged at positions, corresponding to the reinforcing steel bars, of the outer sides of the clamping pieces for reinforcing, so that reinforcing connection is formed between the upper end parts of the steel mould panels and the tops of the bottom plates of the gravity dam;
the two adjacent steel dies are detachably connected through bolts penetrating through reserved holes for connecting the corresponding steel dies.
2. The gravity dam panel casting support-free steel mold mounting structure according to claim 1, wherein: the two steel mould reinforcing reserved holes are arranged in the horizontal direction, and are respectively arranged at positions close to the two longitudinal supporting beams; the number of the exposed steel bars which are pre-buried at the top of the gravity dam bottom plate and correspond to the positions of each group of steel moulds is two, and the two exposed steel bars are in one-to-one connection with reinforcing steel bars which are arranged in the preformed holes for reinforcing the two steel moulds in a penetrating manner.
3. The gravity dam panel casting support-free steel mold mounting structure according to claim 1, wherein: the longitudinal rib plates welded on the back of the steel mould panel are 3, the 3 longitudinal rib plates are arranged in a mode of one of two sides and one of the middle, and the two longitudinal support beams are arranged on two sides of the middle longitudinal rib plate in a mirror image mode.
4. The installation method of the unsupported steel mould for pouring the gravity dam panel is characterized by comprising the following steps of: the unsupported steel mould adopts the steel mould structure as claimed in claim 1, and the installation steps are as follows:
the first step: when the gravity dam bottom plate is poured, two steel bars subjected to thread processing are respectively pre-embedded in an upper layer and a lower layer at the side part of the bottom plate according to the position where each group of steel dies is subsequently placed, and meanwhile, exposed steel bars are pre-embedded at the top part of the gravity dam according to the position where each group of steel dies is subsequently placed; after the bottom plate is poured, removing the steel bars at the side part of the gravity dam to form a preformed hole with threads;
and a second step of: installing steel moulds block by block, and fixing the steel moulds outside the side surface of the gravity dam bottom plate in a leaning way, wherein the installing steps are as follows:
a. firstly, screwing two ends of steel bars subjected to thread processing into preformed holes formed on the side part of a gravity dam bottom plate to form overhanging steel bars;
b. hanging the steel mould into a designated position by using a crane, so that the bottom of the steel mould panel is supported on two overhanging steel bars on the upper layer, and the two overhanging steel bars are arranged between two longitudinal supporting beams;
c. clamping two overhanging steel bars on the upper layer by two channel steels, placing a gasket, tightening and fixing by nuts, and well cushioning one side, close to the bottom plate of the gravity dam, of two longitudinal supporting beams by a wood cushion block with proper thickness in the tightening process; the two overhanging steel bars of the lower layer are reinforced and connected in the same way as the two overhanging steel bars of the upper layer;
d. reinforcing steel bars are inserted into reserved holes for reinforcing the steel mould on the steel mould panel, the reinforcing steel bars and exposed steel bars at corresponding positions on the top of the bottom plate are connected by welding through connecting steel bars, nuts are used for tightening and fixing the front reserved holes of the steel mould panel, and reinforcing connection is carried out on back reinforcing steel bars of the two longitudinal supporting beams in the same mode as the two overhanging steel bars of the upper layer.
e. And (3) installing another steel mould immediately according to the installation steps of b-d, connecting and fixing two adjacent steel moulds by bolts through reserved holes for steel mould connection on the side edges of the steel moulds, and the like until all the steel moulds are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710833581.0A CN107513984B (en) | 2017-09-15 | 2017-09-15 | Mounting structure and mounting method of unsupported steel die for gravity dam panel pouring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710833581.0A CN107513984B (en) | 2017-09-15 | 2017-09-15 | Mounting structure and mounting method of unsupported steel die for gravity dam panel pouring |
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| CN107513984A CN107513984A (en) | 2017-12-26 |
| CN107513984B true CN107513984B (en) | 2023-09-29 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037184A (en) * | 1988-04-29 | 1989-11-15 | 吕琼茹 | Whole installed or removed steel shutter |
| ES2281212A1 (en) * | 2002-11-18 | 2007-09-16 | Sistemas Industrializados Barcons, S.L. | Refinement to the construction systems for structures in reinforced concrete or some other material of high-precision intergral modular forms |
| CN201162344Y (en) * | 2008-03-11 | 2008-12-10 | 成都市将军碑建筑模板有限公司 | Wide surface combination steel form plate |
| CN101457587A (en) * | 2008-12-01 | 2009-06-17 | 江苏江都建设工程有限公司 | Template mutually lifting climbing apparatus and method |
| CN201437639U (en) * | 2009-06-10 | 2010-04-14 | 中建三局建设工程股份有限公司 | Integral type deformation joint steel moulding plate |
| CN202990410U (en) * | 2012-12-13 | 2013-06-12 | 中铁二局股份有限公司 | Steel template |
| CN207211086U (en) * | 2017-09-15 | 2018-04-10 | 中国水利水电第十三工程局有限公司 | Gravity dam panel is poured with without support punching block mounting structure |
-
2017
- 2017-09-15 CN CN201710833581.0A patent/CN107513984B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037184A (en) * | 1988-04-29 | 1989-11-15 | 吕琼茹 | Whole installed or removed steel shutter |
| ES2281212A1 (en) * | 2002-11-18 | 2007-09-16 | Sistemas Industrializados Barcons, S.L. | Refinement to the construction systems for structures in reinforced concrete or some other material of high-precision intergral modular forms |
| CN201162344Y (en) * | 2008-03-11 | 2008-12-10 | 成都市将军碑建筑模板有限公司 | Wide surface combination steel form plate |
| CN101457587A (en) * | 2008-12-01 | 2009-06-17 | 江苏江都建设工程有限公司 | Template mutually lifting climbing apparatus and method |
| CN201437639U (en) * | 2009-06-10 | 2010-04-14 | 中建三局建设工程股份有限公司 | Integral type deformation joint steel moulding plate |
| CN202990410U (en) * | 2012-12-13 | 2013-06-12 | 中铁二局股份有限公司 | Steel template |
| CN207211086U (en) * | 2017-09-15 | 2018-04-10 | 中国水利水电第十三工程局有限公司 | Gravity dam panel is poured with without support punching block mounting structure |
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| Publication number | Publication date |
|---|---|
| CN107513984A (en) | 2017-12-26 |
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