CN104005368B - The retaining of egg type cavity type concrete keeps off native facility - Google Patents
The retaining of egg type cavity type concrete keeps off native facility Download PDFInfo
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- CN104005368B CN104005368B CN201410142343.1A CN201410142343A CN104005368B CN 104005368 B CN104005368 B CN 104005368B CN 201410142343 A CN201410142343 A CN 201410142343A CN 104005368 B CN104005368 B CN 104005368B
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Abstract
The retaining of a kind of egg type cavity type concrete keeps off native facility 1, be applicable to slope plough transformation, soil erosion collapses in hilllock, gull regulation and water-saving irrigation Rainwater Collecting and Storing Projects and uses, internal chamber wall adopts the U-shaped shape concrete being interlockingly connected up and down to water and builds up egg type cavity type cistern 2, forms a complete egg type cavity type housing concrete soil-baffling structure that can keep off soil, retaining; Overall structure makes full use of the effect of concrete egg type cavity housing; The inner side of structure is provided with infiltrates district 3, makes the water infiltrating keep clean; The arranged outside of structure water intake facilities 4, retaining in cavity can be taken out and be watered for crops; Structural top can be made field road 5, and when engineering project has when the requiring of farm machinery road is set, its top width can be expanded and make farm machinery road to required width and use according to requirement of engineering.
Description
Technical field
This technological invention relates to a kind of water engineering facility, and affiliated technical field is hydraulic engineering technology. Plough on slope transformation, soil erosion builds the retaining of egg type cavity type concrete in collapsing the hydraulic engineerings such as hilllock, gull regulation and water-saving irrigation rainwater accumulating and keeps off native facility, in order to sand soil, hold rain flood.
Background technology
The retaining of slope both at home and abroad keeps off native measure, mostly by assembling the bank of stone or filling earth embankment standard of construction ladder soil (field), Gullied by building the engineering measures such as loose stone check dam, silt arrester, be aided with the biological control measures such as planting trees and grass and carry out prevention soil and water loss, its structure is clumsy, effect is simple, investment is larger. And the storing facilities of water of arid hillside field Rainwater Collecting and Storing Projects is generally that storing facilities of water (being commonly called as earth steps cistern, earth steps water tank) is built in the suitable place in slope, terraced fields earth steps, simple in structure but act on single. This technological invention is to keep off native facility by build the retaining of egg type cavity type concrete in hillside fields ridge and gully, as shown in Figure 1, and in order to sand soil, hold rain flood. The invention of this technology, can provide that a kind of construction is simple and direct, structure light and handy, novel, innovation, practical, there is multiduty water engineering facility. Can not only hold rain flood, sand soil, can also look actual needs, levee crown doubles as road occupation after widening, thereby has advantages of wide adaptability, saving engineering cost, the construction speed that improves, can solve to a certain extent water source, xerocline arable land, for crops provide pouring water.
Summary of the invention
As shown in Fig. 3, Fig. 4 and Fig. 5, this technological invention to the effect that: in slope, gully, build the retaining of egg type cavity type concrete and keep off native facility, in order to sand soil, hold rain flood, make road. Adopt the retaining of egg shape cavity type concrete to keep off native facility. The retaining of egg type cavity type concrete shown in this example (referring to Fig. 6) keeps off native facility structure, side therein, and impervious barrier that pouring C20 thickness is 120 millimeters, top radius infiltrate as filtering layer processings above, lay and filter sandstone layer and infiltrate aperture; The bottom of outside housing keeps certain thickness (this example is 120 millimeters) vertically to shell foundation base two U-shaped template snapping intersections, top, keeping certain thickness (this example is 120 millimeters) be extended down to top parallel with internal mold with top board intersection, is built into the retaining of egg type cavity type concrete and keeps off the structural shape of native facility. The concrete that the cast-in-place thickness in cavity top is 200 millimeters makes the low bank of earth between fields or field road uses.
The principal character of the utility model technology is: the retaining of egg type cavity type concrete keeps off native facility, and internal chamber wall adopts the concrete of the U-shaped shape being interlockingly connected up and down to water and builds up egg type cavity type retaining wall, forms the complete egg type cavity type housing concrete structure that can keep off soil, retaining;
The retaining of egg type cavity type concrete keeps off native facility the latter half and is one and faces upward inclined soil-baffling structure, can play the effect that reduces soil pressure, alleviates construction weight, saves construction investment;
The weight of egg type concrete cavity type structure that cavity has been filled with water postemphasis, is more conducive to integrally-built stable;
Overall structure makes full use of the effect of concrete egg type cavity housing, and its structure is stable and safety;
The inner side of structure is provided with infiltrates district, infiltrates the aperture of infiltrating that district establishes 50 millimeters of two row's diameters, and lateral aperture, apart from 500 millimeters, keep off silt outside water storage structure, makes the water infiltrating keep cleaning;
The arranged outside of structure water intake facilities, retaining in cavity can be taken out and be watered for crops;
When engineering project has when the requiring of road is set, its top width can be expanded to required width and make road occupation according to requirement of engineering;
The cavity type housing concrete soil-baffling structure that adopts U-shaped inner casing to be built into, have cost saving effect grand, construct that simple and direct, rational in infrastructure, member is light and handy, the feature of one-object-many-purposes.
The retaining of egg type cavity type concrete keeps off native facility and is not limited only to realize by cast-in-place as shown in Figure 1 method, its cavity shape is the docking that interlock of two U-shapeds, be conducive to like this formation of housing cavity, and the space that it forms is higher, retaining is more, also there is inner stress condition good, the feature that structural stability is high, also can use as shown in Figure 2, realize by splicing prefabricated components method, chamber, the chamber wall thickness that only uses prefabricated components is than cast-in-place thick 25%, but due to internal mold need not be installed, can accelerate the speed of building, cast-in-place construction needs to install internal mold, the time of building is longer.
As shown in Figure 2, in the time adopting cast-in-place method build process, in order to be easier to cast-in-place method construction, the parallels that the U-shaped concrete prefabricated parts that employing Ministry of Water Resources promotes uses while casting is made form cage, make the internal mold of housing upstream and downstream side at the thick 3 millimeters of iron sheets of 1/2U shape skeleton outside welding, and the straight line that the external mold of upstream side can be 14 degree by that gradient is extended down to bottom in its underpart always, top is extended down to U-lag radius place height (this example is 1190 millimeters), keeps certain thickness (this example is 120 millimeters) to be extended down to housing top on it; The bottom of the outer die housing in downstream keeps certain thickness (this example is 120 millimeters) vertically to shell foundation base two U-lag snapping intersections, top keeps certain thickness (this example is 120 millimeters) be extended down to top parallel with internal mold two U-lag intersections, be built into the retaining of egg type cavity type concrete and keep off the structural shape of native facility.
In the time using the assembled method build process of 1/2U shape prefabricated concrete element, its cavity wall thickness should be than thick 25% of cast-in-place method technique, this example (referring to Fig. 7) is 150 millimeters, because of thick 45 millimeters of prefabricated components, all the other cast-in-place reinforcements are 105 millimeters, consistent during with the construction of cast-in-place method of chamber wall shape, the outer side mold when pouring of chamber wall is the same while construction with the cast-in-place method of employing.
The retaining of egg type cavity type concrete keeps off native facility and is applied to plough transformation and when Rainwater Collecting and Storing Projects project of slope, the foundation excavation of its inner side is pressed the gradient excavation of structure chart, the reserved chamber wall thickness of building, when casting concrete, its underpart can be without installation form, cost saving and man-hour, its drainage infiltrates district is located at the first half, infiltrates the aperture of infiltrating that district establishes 50 millimeters of two row's diameters, and lateral aperture is apart from 500 millimeters.
When the retaining of egg type cavity type concrete keeps off native facility and is applied to Shui Baobeng hilllock, gull regulation engineering project, the foundation excavation of its base is pressed structure chart excavation, when casting concrete, need installation form, its drainage infiltrates district is located at the latter half, utilize the spoir of foundation excavation to fill an earth embankment at upstream side, 600 millimeters of earth embankment distance from bottom pedestals, lay sandstone drainage facility during this time, the aperture of infiltrating of 50 millimeters of two row's diameters is set, and lateral aperture is apart from 500 millimeters; When future, mud silt deposited to levee crown water infiltrate needs, half part also will be reserved the aperture of infiltrating of 50 millimeters of two row's diameters thereon, lateral aperture is apart from 500 millimeters.
The retaining of egg type cavity type concrete keeps off native facility levee crown can serve as crop ped location Route for pedestrians use, in the time farm machinery road is set needs, levee crown plate is corresponding is extended down to required width, for ensureing that concrete plate can bear agricultural machine wheel pressure, it filters sandstone material should correspondingly be extended down to required width range, and other is constant.
Brief description of the drawings
Fig. 1 is that the retaining of egg type cavity type concrete keeps off the master profile that native facility adopts cast in place process method to construct;
Fig. 2 is that the retaining of egg type cavity type concrete keeps off the master profile that native facility adopts splicing prefabricated components Process to construct;
Fig. 3 is that the retaining of egg type cavity type concrete keeps off native facility and protects engineering gully, collapses hilllock and administer the horizontal layout schematic diagram of engineering for water;
Fig. 4 is that the retaining of egg type cavity type concrete keeps off native facility and protects engineering gully, collapses hilllock and administer the schematic diagram of engineering for water;
Fig. 5 is that the retaining of egg type cavity type concrete keeps off the layout schematic diagram of native facility for arable land, slope improvement engineering;
Fig. 6 is that the retaining of egg type cavity type concrete keeps off native facility and ploughs and administer engineering and adopt the structural representation of cast-in-place method construction embodiment for slope;
Fig. 7 is that the retaining of egg type cavity type concrete keeps off native facility and ploughs and administer engineering and adopt the structural representation of splicing prefabricated components Process construction embodiment for slope;
Fig. 8 is that the retaining of egg type cavity type concrete keeps off native facility and protects engineering gully, collapses hilllock and administer engineering and adopt the structural representation of cast-in-place method construction embodiment for water;
Fig. 9 is that the retaining of egg type cavity type concrete keeps off native facility and protects engineering gully, collapses hilllock and administer engineering and adopt the structural representation of splicing prefabricated components Process construction embodiment for water;
Figure 10 is that the retaining of egg type cavity type concrete keeps off the horizontal layout schematic diagram of native facility for an example of arable land, slope improvement engineering employing construction;
Figure 11 is that the retaining of egg type cavity type concrete keeps off the vertical section layout schematic diagram of native facility for an example of arable land, slope improvement engineering employing construction;
Figure 12 is that the retaining of egg type cavity type concrete keeps off the positive facade layout schematic diagram of native facility for an example of arable land, slope improvement engineering employing construction.
Detailed description of the invention
This technological invention is mainly used in the hydraulic engineerings such as the rainwater accumulating that transform in arable land, slope, hilllock, gull regulation and water-saving irrigation are collapsed in water and soil conservation. Select suitable place to build the retaining of egg type cavity type concrete and keep off native facility, in order to sand soil, hold rain flood. Now use an example figure (referring to Fig. 6) that its mechanism of action and detailed description of the invention are described. This example adopts parallels and the angle bar of the U-shaped prefabricated components of Ministry of Water Resources's popularization to make form cage, adopt cast-in-place method casting cavity type concrete housing, at housing upstream side, 120 millimeters of pouring C20 concrete thickness, more than member the first half radial height place (this example is 1.19 meters), infiltrate processing as filtering layer; Outside, downstream, adopt cast-in-place thick 120 millimeters of above C20 concrete antiseepages, the bottom of its outer die housing keeps certain thickness (this example is 120 millimeters) vertically to shell foundation base two U-lag snapping intersections, top keeps certain thickness (this example is 120 millimeters) be extended down to top parallel with internal mold two U-lag intersections, be built into the retaining of egg type cavity type concrete and keep off the structural shape of native facility. 200 millimeters of concretes of the cast-in-place thickness in cavity top, the hollow shell body structure of formation is that the retaining of egg type cavity type concrete keeps off native facility. It not only can be used as retaining wall, check dam, arable land, the slope terraced fields low bank of earth between fields that resistance to overturning is good, can also utilize the egg type cavity retaining of its hollow, if needed, its top also can be used as field road and uses after widening, thereby realize one-object-many-purposes, can sediment trapping soil, hold rain flood, make road.
As shown in Figure 6, in the time adopting cast-in-place method build process, in order to be easier to cast-in-place method construction, adopt parallels and the angle bar of the U-shaped prefabricated components of Ministry of Water Resources's popularization to make form cage, make the internal mold of housing upstream and downstream side at the thick 3 millimeters of iron sheets of 1/2U shape skeleton outside welding, and the straight line that the external mold of upstream side can be 14 degree by that gradient is extended down to bottom in its underpart always, top is extended down to U-lag radius place height (this example is 1.19 meters), keeps certain thickness (this example is 120 millimeters) to be extended down to housing top on it; The bottom of the outer die housing in downstream keeps certain thickness (this example is 120 millimeters) vertically to shell foundation base two U-lag snapping intersections, top keeps certain thickness (this example is 120 millimeters) be extended down to top parallel with internal mold two U-lag intersections, be built into the retaining of egg type cavity type concrete and keep off the structural shape of native facility.
Building with this technological invention the technological process that the retaining of egg type cavity type concrete keeps off native facility is: carry out basic earthwork excavation by design drawing, and---pouring base C20 concrete---U-shaped internal mold and preformed hole position (horizontal range 500 millimeters stay 50 millimeters of apertures of two rows) are installed, and---(thick 120 millimeters---casting top concretes---outside C20 concrete antiseepage housing in casting is filled out and is filtered sandstone material by inside top.
Except using cast-in-place method to build this structure, also can be according to the actual conditions of engineering project and needs, utilize the prefabricated U-shaped part of all size model, build the various egg type cavity type concrete retainings that are adapted to engineering project and keep off native facility. As shown in table 2.
In the time using the assembled method build process of 1/2U shape prefabricated concrete element, its cavity wall thickness should be than thick 25% of cast-in-place method technique, this example (referring to Fig. 7) is 150 millimeters, because of thick 45 millimeters of prefabricated components, all the other cast-in-place reinforcements are 105 millimeters, consistent during with the construction of cast-in-place method of chamber wall shape, the outer side mold when pouring of chamber wall is the same while construction with the cast-in-place method of employing.
In the time of Engineering Project Implementation, its building length is longer, exceedes 20 meters, and expansion joint should be set, to adapt to the flexible of concrete. Expansion joint parting plastic foamboard, 10 meters of level intervals between seam, the longlyest should not exceed 15 meters.
Beneficial effect
The water conservation soil conservation measure of slope both at home and abroad, mostly by assembling the bank of stone or filling earth embankment standard of construction ladder soil (field), Gullied by building the engineering measures such as loose stone check dam, silt arrester, be aided with the biological control measures such as planting trees and grass and carry out prevention soil and water loss, its structure is clumsy, investment is large, effect is simple. And the storing facilities of water of arid hillside field Rainwater Collecting and Storing Projects is generally that storing facilities of water (being commonly called as earth steps cistern, earth steps water tank) is built in the suitable place in slope, terraced fields earth steps, simple in structure but effect is simple. This technological invention is to build the retaining of egg type cavity type concrete by the suitable place in slope, the low bank of earth between fields and gully to keep off native facility, in order to sediment trapping soil, hold rain flood, make road. The invention of this technology, can provide that a kind of construction is simple and direct, structure light and handy, novel, innovation, practical, there is multiduty water engineering facility. This facility can not only hold rain flood, flood retention sand, make road, also has advantages of wide adaptability, saves engineering cost, accelerating construction progress, solves to a certain extent water source, arable land, slope, for Dry crop provides sweet spring water. Contrast by analysis, the measure of this engineering can be saved investment more than 40% than routine techniques measure; Build the cavity type concrete retaining wall of 20 cubic meter capacity for every mu, its investment can be controlled in 5000 yuan, can provide in year and water irrigation quantity 200 cubic meters above (year multi-time of storage is by 10 times), can solve to a certain extent Dry crop pouring water water source. Can save the area in addition and construction material, liberation labour.
Subordinate list:
The egg type cavity type retaining wall geometric parameter lookup table unit that the cast-in-place U-shaped chamber of table 1 wall is corresponding: centimetre
| Geometric parameter | R | B1 | B | H0 | H | T0 | T1 | T2 | T3 | T4 |
| 1/2UD120 | 65 | 77 | 154 | 105 | 210 | 0 | 16 | 20 | 20 | 20 |
| 1/2UD100 | 54.5 | 65 | 130 | 87 | 174 | 0 | 12 | 15 | 20 | 20 |
| 1/2UD80 | 44 | 53 | 106 | 74 | 148 | 0 | 12 | 15 | 15 | 20 |
| 1/2UD60 | 34 | 39 | 78 | 64 | 128 | 0 | 10 | 10 | 15 | 20 |
| 1/2UD50 | 28.5 | 33.5 | 67 | 53.5 | 107 | 0 | 10 | 10 | 15 | 20 |
The egg type cavity type retaining wall geometric parameter lookup table unit that table 2 prefabricated U-shaped part is corresponding: centimetre
| Geometric parameter | R | B1 | B | H0 | H | T0 | T1 | T2 | T3 | T4 |
| 1/2UD120 | 60 | 72 | 144 | 100 | 200 | 5 | 15 | 20 | 15 | 20 |
| 1/2UD100 | 50 | 60 | 120 | 82 | 164 | 4.5 | 10.5 | 15 | 15.5 | 20 |
| 1/2UD80 | 40 | 49 | 98 | 70 | 140 | 4 | 11 | 15 | 11 | 20 |
| 1/2UD60 | 30 | 35 | 70 | 60 | 120 | 4 | 8 | 10 | 11 | 20 |
| 1/2UD50 | 25 | 32 | 64 | 50 | 100 | 3.5 | 8.5 | 10 | 11.5 | 20 |
Claims (3)
1. the retaining of egg type cavity type concrete keeps off a native facility, is applicable to the transformation of arable land, slope, water and soil streamIn Shi Beng hilllock, gull regulation and water-saving irrigation Rainwater Collecting and Storing Projects project, use, it is characterized in that,It comprises:
The retaining of egg type cavity type concrete keeps off native facility, and internal chamber wall adopts the U-shaped shape being interlockingly connected up and downThe concrete of shape waters and builds up egg type cavity type cistern, forms a complete egg that can keep off soil, retainingShape cavity type housing concrete structure;
The retaining of egg type cavity type concrete keeps off native facility the latter half and is one and faces upward inclined soil-baffling structure;
The weight of egg type concrete cavity type structure that cavity has been filled with water postemphasis;
Overall structure makes full use of the effect of concrete egg type cavity housing;
The inner side of structure is provided with infiltrates district, infiltrates district to establish infiltrating of 50 millimeters of two row's diametersAperture, lateral aperture, apart from 500 millimeters, keeps off silt outside water storage structure, and the water infiltrating is keptClean;
The arranged outside of structure water intake facilities, retaining in cavity can be taken out for cropsPouring is used;
Structure top is as field road, when engineering project has the requirement that farm machinery road is setTime, its top width is expanded extremely required width according to requirement of engineering and is done farm machinery road use.
2. egg type cavity type concrete as claimed in claim 1 retaining keeps off native facility, its cavity shapeBy two U-shaped docking that interlock, be conducive to like this formation of housing cavity, it is not limited only toRealize by cast-in-place method, also can realize by splicing prefabricated components method, onlyThe chamber wall thickness that uses prefabricated components is thicker 25% than cast-in-place, but due to internal mold need not be installed,Can accelerate the speed of building.
3. egg type cavity type concrete as claimed in claim 1 retaining keeps off native facility, when it is applied toWhen transformation and Rainwater Collecting and Storing Projects project are ploughed in slope, the slope that the foundation excavation of its inner side is pressed structure chartDegree excavation, the reserved chamber wall thickness of building, when casting concrete, district, without installation form, is infiltrated in its underpartBe located at the first half.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104563060B (en) * | 2014-12-31 | 2016-09-14 | 广州市市政工程设计研究总院 | Take into account dam, regulate and store, the embankment of function of draining flooded fields and the method for improving water environment |
| CN105064274B (en) * | 2015-08-26 | 2017-06-13 | 上海市城市建设设计研究总院（集团）有限公司 | Store the integrated box revetment of row |
| CN111021403A (en) * | 2019-12-26 | 2020-04-17 | 河北建太工程设计有限公司 | Road barricade bank protection |
| CN113512993B (en) * | 2021-04-25 | 2023-01-17 | 黄河水利委员会黄河水利科学研究院 | Water-storable hollow check dam based on sediment self-detection system and control system thereof |
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