CN110761242B - Concrete wave wall composite structure and construction method thereof - Google Patents
Concrete wave wall composite structure and construction method thereof Download PDFInfo
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- CN110761242B CN110761242B CN201910963673.XA CN201910963673A CN110761242B CN 110761242 B CN110761242 B CN 110761242B CN 201910963673 A CN201910963673 A CN 201910963673A CN 110761242 B CN110761242 B CN 110761242B
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- 238000010276 construction Methods 0.000 title claims abstract description 59
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000009415 formwork Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 241000282461 Canis lupus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
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Abstract
A concrete wave wall composite structure and a construction method thereof comprise a foundation and a vertical wall arranged on the foundation, wherein the top of the vertical wall is provided with a turning section in the upstream direction, and one side of the turning section, which is close to the top of the upstream, is provided with a wave wall. The construction method of the concrete wave wall composite structure adopts sectional layered pouring. By adopting the structure and the construction method, the width of the dam crest can be effectively increased or the filling work amount of the dam body is further reduced, the economy of the earth-rock dam is improved, the structure smoothness and the attractiveness of the dam crest are improved, and the traffic efficiency of the dam crest is increased.
Description
Technical Field
The invention relates to the field of wave wall construction, in particular to a concrete wave wall composite structure and a construction method thereof.
Background
In the conventional arrangement mode of the wave wall and the dam crest structure at present, the width of the dam crest is occupied due to the arrangement requirements of sidewalks and cable ducts, so that the effective passing width of the dam crest is small, and the common efficiency is reduced; the cable trench is of a cover plate type, so that damage and dislocation are easy to occur; the sidewalk and the cable trench are poured in the wave wall structure to form the composite wave wall structure, so that the filling engineering quantity of the dam body can be further reduced under the condition of the same width of the dam crest, and the economical efficiency of the earth-rock dam is improved; or the dam crest road surface is widened on the basis of the original filling body, so that the dam crest passing efficiency and safety are improved; in addition, as the sidewalk and the cable trench are compounded in the dam top wave wall, the integrity is improved, the durability and the safety are further improved, and the arrangement of the dam top is neat and attractive.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a concrete wave wall composite structure and a construction method thereof, which can effectively increase the width of the dam crest or further reduce the filling work amount of a dam body, improve the economical efficiency of an earth-rock dam, improve the neatness and the attractiveness of the dam crest structure and increase the traffic efficiency of the dam crest.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a concrete wave wall composite structure comprises a foundation and a vertical wall arranged on the foundation, wherein a turning section in the upstream direction is arranged at the top of the vertical wall, and a wave wall is arranged on one side of the top surface, close to the upstream, of the turning section.
In a preferable scheme, the top surface of the turning section is higher than the road surface of the dam crest, the height difference is 15-20cm, the turning section is used as a sidewalk and has the width of 1.2-1.5m, and a cable trench is arranged in the turning section.
In a preferred scheme, one face, facing the upstream, of the foundation, the vertical wall and the turning section forms a groove-shaped upstream access passage.
In a preferred scheme, one surface of the turning section facing to the upstream is an inclined surface, and the inclined surface is arranged from the upstream to the downstream in an inclined manner.
A construction method of a concrete wave wall composite structure adopts segmented layered pouring to carry out wave wall pouring operation on the top of the whole dam body;
the method specifically comprises the following steps:
1) arranging a first movable steel die on the dam face at the upstream of the dam body, and arranging a foundation template, a Z-shaped template and a second movable steel die on the top of the dam body;
2) the first movable steel die, the second movable steel die and the Z-shaped template are connected through split bolts, and the vertical section on the Z-shaped template is tightly attached to the first movable steel die;
3) pouring construction of a foundation, a vertical wall and a turning section is carried out;
4) after the foundation, the vertical wall and the turning section are finally set, arranging an upper template of the cable trench template to complete the top plate pouring operation of the cable trench template;
5) after the cable trench top plate is finally set, chiseling at the position, close to the upstream, of the cable trench top plate and arranging a wave wall template;
6) pouring the wave wall;
7) and after the wave wall is finally set, moving the template to the next area to be constructed, and repeating the steps to finish the construction.
8) And after the integral pouring construction of the wave wall is completed, filling dam body filling materials at the top of the dam body, and performing dam top pavement pouring construction at the top of the dam body filling materials.
In the preferred scheme, the bending section, the lower vertical section and the upstream side of the basic template of the Z-shaped template are horizontally positioned by connecting a first transverse ejector rod and a first movable steel mould;
in a preferable scheme, in the step 8), after the wave wall at one side of the expansion joint of the dam body is poured and before the wave wall at the other side is poured, a water stop is preset between the two wave walls.
In the preferred scheme, the split bolt is built in, a PVC pipe is sleeved outside the split bolt, the split bolt is recovered after a mold is removed, and dry and hard mortar is filled in the PVC pipe for sealing and repairing.
In an optimized scheme, the traveling mechanisms are arranged at the bottoms of the first movable steel die and the foundation formwork, and after one-section pouring construction is completed, the formwork is moved to a two-section construction area to perform two-section construction operation.
In the preferred scheme, at least two sets of templates are arranged, and when the pouring construction of the top plate of the cable trench and the wave wall is carried out, the pouring construction operation of a two-section foundation, a vertical wall and a turning section can be simultaneously carried out.
The concrete wave wall composite structure and the construction method thereof provided by the invention have the following beneficial effects by adopting the structure:
(1) the sidewalk is arranged at the top of the wave wall, so that the width of the dam top can be effectively increased, the filling engineering quantity of the dam body is reduced, and the economy of the earth-rock dam is improved;
(2) the formed turning section can form a reverse guiding function on water waves on the upstream side of the wave wall, so that the wave reducing capability is achieved, the wave climbing height is reduced, the buffer purpose is achieved, and the safety of the wolf prevention is further improved;
(3) under the condition that the filling width of the dam crest is not changed, the width of the dam crest can be increased through the turning section, and the passing efficiency and safety of the dam crest are improved;
(4) the construction adopts the mode of segmentation layering construction, can effectively promote wave wall efficiency of construction.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic view of the structure of the wave wall of the present invention.
Fig. 2 is a schematic view of the arrangement of the wave wall of the present invention.
Fig. 3 is a schematic view of the vertical mold before casting construction according to the present invention.
Fig. 4 is a schematic view of the first layer of the present invention after the first layer pouring is completed.
Fig. 5 is a schematic diagram of the second layer of the present invention after the second layer pouring construction is completed.
Fig. 6 is a schematic structural view of the integrally cast wave wall of the present invention.
In the figure: the dam comprises a foundation 1, a vertical wall 2, a turning section 3, a wave wall 4, a sidewalk 5, a cable trench 6, an upstream maintenance channel 7, a dam body 8, a dam body filling material 9, a dam crest road surface 10, a water stop belt 11, a foundation template 12, a first movable steel mould 13, a 'Z' -shaped template 14, a first transverse ejector rod 15, a second movable steel mould 16, a cable trench template 17, a wave wall template 18 and a second transverse ejector rod 19.
Detailed Description
As shown in fig. 1-2, a concrete wave wall composite structure includes a foundation 1 and a vertical wall 2 disposed on the foundation 1, wherein a turning section 3 is disposed at the top of the vertical wall 2 in an upstream direction, and a wave wall 4 is disposed on a top side of the turning section 3 near the upstream.
In a preferable scheme, the top surface of the turning section 3 is higher than the dam top pavement 10, the height difference is 15-20cm, the turning section 3 is used as a sidewalk 5, the width is 1.2-1.5m, and a cable trench 6 is arranged in the turning section 3.
In a preferred scheme, a groove-shaped upstream access channel 7 is formed on one surface, facing the upstream, of the foundation 1, the vertical wall 2 and the turning section 3.
In a preferred scheme, one surface of the turning section 3 facing to the upstream is an inclined surface, and the inclined surface is arranged from the upstream to the downstream in an inclined manner.
Example 2:
as shown in fig. 3-6, the construction method of the concrete wave wall composite structure adopts sectional layered pouring to perform the wave wall pouring operation on the top of the whole dam body 8;
the method specifically comprises the following steps:
1) arranging a first movable steel die 13 on the upstream dam face of the dam body 1, and arranging a foundation template 12, a Z-shaped template 14 and a second movable steel die 16 on the top of the dam body 8;
2) the first movable steel die 13, the second movable steel die 16 and the Z-shaped template 14 are connected through split bolts, and the vertical section on the Z-shaped template is tightly attached to the first movable steel die 13;
3) pouring construction of the foundation 1, the vertical wall 2 and the turning section 3 is carried out;
4) after the foundation 1, the vertical wall 2 and the turning section 3 are finally set, an upper template of the cable trench template 17 is arranged, and the top plate pouring operation of the cable trench template 17 is completed;
5) after the top plate of the cable trench 6 is finally set, chiseling at the position, close to the upstream, of the top plate of the cable trench 6 and arranging a wave wall template 18;
6) pouring operation of the wave wall 4 is carried out;
7) and after the wave wall 4 is finally set, moving the template to the next area to be constructed, and repeating the steps to finish the construction.
8) And after the integral pouring construction of the wave wall is completed, filling a dam body filling material 9 at the top of the dam body 8, and performing pouring construction on a dam top pavement 10 at the top of the dam body filling material 9.
In the preferred scheme, the bending section, the lower vertical section and the upstream side of the basic template 12 of the Z-shaped template 14 are horizontally positioned by connecting a first transverse ejector rod 15 and a first movable steel die 13;
in the preferred scheme, in the step 8, after the wave wall at one side of the expansion joint of the dam body 8 is poured and before the wave wall at the other side is poured, a water stop 11 is preset between the two wave walls.
In the preferred scheme, the split bolt is built in, a PVC pipe is sleeved outside the split bolt, the split bolt is recovered after a mold is removed, and dry and hard mortar is filled in the PVC pipe for sealing and repairing.
In the preferred scheme, the traveling mechanisms are arranged at the bottoms of the first movable steel die 13 and the foundation formwork 12, and after one-section pouring construction is completed, the formwork is moved to a two-section construction area for two-section construction operation.
In the preferred scheme, at least two sets of templates are arranged, and when the top plate of the cable trench 6 and the wave wall 4 are cast, the casting construction operation of the two sections of foundations 1, the vertical wall 2 and the turning section 3 can be simultaneously carried out.
In the preferred scheme, a reinforcement cage needs to be arranged before the formwork is installed, and the reinforcement cage is arranged in two sections and comprises the reinforcement cage after the foundation formwork 12 is installed and the reinforcement cage after the subsequent formwork is installed.
Example 3:
on the basis of example 2:
the concrete for pouring can be bare concrete, one layer of concrete is poured and directly put into the warehouse by a concrete mixer, and the concrete at the upper part is put into the warehouse by a pumping mode.
The concrete pouring adopts a flat bin pouring method, the thickness of the flat bin auxiliary material is controlled to be 30-40cm, and the vibration is timely carried out after the bin surface is flattened.
And after the form is removed, the concrete needs to be cured immediately, the curing days are not less than 28 days, and the concrete is covered and cured by using a clean plastic film.
By adopting the structure and the construction method, the construction efficiency is effectively improved, the dam crest safety is improved, the dam body filling amount is reduced, certain economic benefit is brought, meanwhile, the whole dam crest structure is more attractive, the mutual interference of pavement construction, cable trench construction and dam crest pavement construction is reduced, and good effect is obtained in actual construction.
Claims (9)
1. A construction method of a concrete wave wall composite structure comprises a foundation (1) and a vertical wall (2) arranged on the foundation (1), and is characterized in that: the top of the vertical wall (2) is provided with a turning section (3) in the upstream direction, and one side of the top surface of the turning section (3) close to the upstream is provided with a wave wall (4);
a cable trench (6) is arranged in the turning section (3);
the construction of the concrete wave wall composite structure at the top of the whole dam body (8) is carried out by adopting segmented layered pouring, and the construction method specifically comprises the following steps:
1) arranging a first movable steel die (13) on the upstream dam face of the dam body (8), and arranging a foundation template (12), a Z-shaped template (14) and a second movable steel die (16) on the top of the dam body (8);
2) the first movable steel die (13), the second movable steel die (16) and the Z-shaped template (14) are connected through split bolts, and the vertical section of the Z-shaped template (14) is tightly attached to the first movable steel die (13);
3) pouring construction of the foundation (1), the vertical wall (2) and the turning section (3) is carried out;
4) after the foundation (1), the vertical wall (2) and the turning section (3) are finally set, an upper template of the cable trench template (17) is arranged, and the top plate pouring operation of the cable trench template (17) is completed;
5) after the top plate of the cable trench (6) is finally set, chiseling at the position, close to the upstream, of the top plate of the cable trench (6) and arranging a wave wall template (18);
6) pouring operation of the wave wall (4) is carried out;
7) after the wave wall (4) is finally set, moving the template to the next area to be constructed, and repeating the steps to finish construction;
8) and after the integral pouring construction of the wave wall is completed, filling dam body filling materials (9) at the top of the dam body (8), and performing the pouring construction of a dam top pavement (10) at the top of the dam body filling materials (9).
2. The construction method of the concrete wave wall composite structure according to claim 1, characterized in that: the top surface of the turning section (3) is higher than the dam top pavement (10) and has a height difference of 15-20cm, and the turning section (3) is used as a sidewalk (5) and has a width of 1.2-1.5 m.
3. The construction method of the concrete wave wall composite structure according to claim 1, characterized in that: one face, facing the upstream, of the foundation (1), the vertical wall (2) and the turning section (3) forms a groove-shaped upstream overhaul channel (7).
4. The construction method of the concrete wave wall composite structure according to claim 3, characterized in that: one surface of the turning section (3) facing to the upstream is an inclined surface and is arranged from the upstream to the downstream in an inclined and downward manner.
5. The construction method of the concrete wave wall composite structure according to claim 1, characterized in that: the bending section, the lower vertical section and the surface of the basic template (12) facing the upstream of the Z-shaped template (14) are connected with a first movable steel die (13) through a first transverse ejector rod (15) to realize horizontal positioning.
6. The construction method of the concrete wave wall composite structure according to claim 1, characterized in that: in the step 8), after the wave wall at one side of the expansion joint of the dam body (8) is poured and before the wave wall at the other side is poured, a water stop (11) is preset between the two wave walls.
7. The construction method of the concrete wave wall composite structure according to claim 1, characterized in that: the split bolt is built in, a PVC pipe is sleeved outside the split bolt, the split bolt is recovered after a mold is removed, and dry and hard mortar is filled in the PVC pipe for sealing and repairing.
8. The construction method of the concrete wave wall composite structure according to claim 1, characterized in that: and traveling mechanisms are arranged at the bottoms of the first movable steel die (13) and the foundation template (12), and after one-section pouring construction is completed, the template is moved to a two-section construction area for two-section construction operation.
9. The construction method of the concrete wave wall composite structure according to claim 1, characterized in that: the formwork is provided with at least two sets, and when the pouring construction of the top plate of the cable trench (6) and the wave wall (4) is carried out, the pouring construction operation of the two sections of foundations (1), the vertical wall (2) and the turning section (3) can be simultaneously carried out.
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| CN201910963673.XA CN110761242B (en) | 2019-10-11 | 2019-10-11 | Concrete wave wall composite structure and construction method thereof |
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| CN110761242B true CN110761242B (en) | 2021-03-30 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050025007A (en) * | 2003-09-05 | 2005-03-11 | 두우균 | construction method of prestress box breast wall for prevention of coastal corrosion |
| KR20150048278A (en) * | 2013-10-25 | 2015-05-07 | 현대산업개발 주식회사 | Supperstructure having Double Slope and Protrusion |
| CN204626330U (en) * | 2015-04-03 | 2015-09-09 | 上海勘测设计研究院有限公司 | A kind of combined type frontier defense bank structure |
| CN204780767U (en) * | 2015-07-08 | 2015-11-18 | 国家电网公司 | Novel wave wall |
| CN205822128U (en) * | 2016-09-30 | 2016-12-21 | 国家电网公司 | A kind of sunk type wave wall structure |
| CN208136827U (en) * | 2018-03-13 | 2018-11-23 | 中国电建集团中南勘测设计研究院有限公司 | A kind of bulwark |
-
2019
- 2019-10-11 CN CN201910963673.XA patent/CN110761242B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050025007A (en) * | 2003-09-05 | 2005-03-11 | 두우균 | construction method of prestress box breast wall for prevention of coastal corrosion |
| KR20150048278A (en) * | 2013-10-25 | 2015-05-07 | 현대산업개발 주식회사 | Supperstructure having Double Slope and Protrusion |
| CN204626330U (en) * | 2015-04-03 | 2015-09-09 | 上海勘测设计研究院有限公司 | A kind of combined type frontier defense bank structure |
| CN204780767U (en) * | 2015-07-08 | 2015-11-18 | 国家电网公司 | Novel wave wall |
| CN205822128U (en) * | 2016-09-30 | 2016-12-21 | 国家电网公司 | A kind of sunk type wave wall structure |
| CN208136827U (en) * | 2018-03-13 | 2018-11-23 | 中国电建集团中南勘测设计研究院有限公司 | A kind of bulwark |
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