CN218479171U - High-steep strong-unloading overwater slope excavation slag collecting platform - Google Patents
High-steep strong-unloading overwater slope excavation slag collecting platform Download PDFInfo
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- CN218479171U CN218479171U CN202221865817.1U CN202221865817U CN218479171U CN 218479171 U CN218479171 U CN 218479171U CN 202221865817 U CN202221865817 U CN 202221865817U CN 218479171 U CN218479171 U CN 218479171U
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Abstract
The utility model provides a slag collecting platform for excavating a water side slope with high and steep and strong unloading, wherein a slag sliding channel in the excavating process is arranged on the existing gully of the water side slope, a slag collecting platform is formed by locally excavating and constructing a steel structure platform above the bottom water surface of the water side slope, the slag collecting platform is arranged at the bottom of the water side slope and covers a plurality of slag sliding channels along the longitudinal total length; the water steel structure platform depends on a local excavation platform of the water side slope through a support system and overhangs towards the outer side of the water side slope, and the bottom of a lower support system of the overhanging part of the water steel structure platform extends into the underwater side slope and is fixed; and a protective structure is arranged on the outer side of the water steel structure platform. The utility model provides a steep, the domatic construction road of strong off-load side slope construct the degree of difficulty big, the potential safety hazard is big and slope excavation in-process domatic string sediment drops the problem of the jam river course that arouses, pollution water.
Description
Technical Field
The utility model relates to a hydraulic engineering field, concretely relates to slope excavation sediment collection platform on water of high steep, strong off-load.
Background
The slag discharging road is required to be built for slope excavation, and a plurality of channels are planned to be led to an excavation working face according to the terrain and geological conditions of a natural slope and the excavation body type of a permanent slope under the general condition. However, the conventional construction scheme has the following problems: (1) the construction of a slag discharging channel on a natural side slope generally requires relatively good geological conditions, the stability of a temporary road meets the traffic safety requirement of heavy-duty vehicles, and the construction process of the temporary road does not cause the stability problem of the natural side slope in a large range, otherwise, not only is the construction safety risk present, but also the corresponding engineering management engineering quantity and investment are called as important factors for restricting the establishment of a construction scheme; (2) the construction scheme of building the slag discharging channel on the natural side slope causes the problem that certain slag and soil overflow occurs in the rock and soil body outside the side slope in the blasting process, and the side slope is hung with slag and loses water and soil. The blocking difficulty of the dregs outside the side slope is large. When the high-steep and strong-unloading water side slope is excavated, the contradiction is more prominent, and particularly when the excavated side slope is positioned on a river bank slope or a reservoir bank, the problem of slag adhering on the outer side slope can directly cause soil to invade into the river and the reservoir, so that the problem of environmental protection is caused.
The western region of China has common high and steep and strong unloading slopes, and for some slopes with rare vegetation and even bare bedrock, the natural gully in the excavated region is used as a slag chute, and the scheme of designing the platform slag collection above the water surface has positive and important significance for reducing the construction cost, reducing the construction safety and reducing the adverse effect on the environment in the region.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects existing in the prior art, the utility model aims to provide a high-steep and strong-unloading overwater slope excavation slag collecting platform. The utility model provides a steep, the domatic construction road of strong off-load side slope construct the degree of difficulty big, the potential safety hazard is big and slope excavation in-process domatic string sediment drops the problem of the jam river course that arouses, pollution water.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
high steep, strong off-load side slope excavation collection sediment platform on water, its characterized in that: arranging a slag sliding channel in the excavation process on the existing gully of the water side slope, forming a slag collecting platform by locally excavating and constructing a steel structure platform above the bottom water surface of the water side slope, wherein the slag collecting platform is arranged at the bottom of the water side slope and covers a plurality of slag sliding channels along the longitudinal total length; the water steel structure platform depends on a local excavation platform of the water side slope through a support system and overhangs towards the outer side of the water side slope, and the bottom of the lower support system of the overhanging part of the water steel structure platform penetrates into the underwater side slope and is fixed; and a protective structure is arranged on the outer side of the water steel structure platform.
And further: the overwater steel structure platform is longitudinally divided into a plurality of relatively independent units, each independent unit consists of a steel plate and an I-shaped steel, and the steel plate is located on the upper surface of the I-shaped steel.
Further: the supporting system comprises a connecting beam, the connecting beam is positioned below the water steel structure platform, a plurality of damping devices are arranged between the connecting beam and the water steel structure platform, a plurality of mounting grooves are formed in the top surface of the connecting beam at intervals, a plurality of pairs of damper mounting holes are formed in the mounting grooves, and limiting holes are formed in the bottoms of the damper mounting holes; the damping device is arranged in the mounting groove.
Further: the damping device comprises a support rigid body and a high-strength spring component, wherein the bottom of the support rigid body is provided with a high-strength spring component connecting part, the size of the high-strength spring component connecting part is matched with the aperture of the mounting hole, the bottom of the high-strength spring component connecting part is provided with a movable rod, and the size of the movable rod is matched with the size of the limiting hole; the high-strength spring component is arranged in the mounting hole and is positioned between the connecting part of the high-strength spring component and the bottom of the mounting hole.
Further: the bottom of the connecting beam below the overhanging part of the water steel structure platform is connected with a pile column, the bottom of the pile column extends into the underwater slope and is fixed, and the pile column is formed by pouring concrete after steel bars are arranged in steel pipes to form a steel pipe concrete column.
Further: the support rigid body is arranged in the mounting groove, and two ends of the support rigid body are connected with the side wall of the connecting beam through movable buckles.
Further: the protective structure comprises a retaining wall and a passive protective net which are arranged on the outer side edge of the steel structure platform on the water.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model discloses construct collection sediment platform above the surface of water of side slope, utilize the natural gully of excavation district nature side slope to carry out swift current sediment collection sediment, avoid constructing the temporary construction pavement in nature domatic, reduce the safety risk of construction road.
The utility model discloses a sediment platform that gathers of slope on water avoids the massif excavation in-process to hang sediment, swift current sediment to transferring the pollution of water, is favorable to the environmental protection, realizes engineering construction and environmental protection's coordination.
The utility model discloses a sediment platform that gathers of slope on water can solve the scene simultaneously because the temporary road of construction that other reasons (too steep, do not allow to destroy the vegetation and repair the road) lead to can't reach the working face and can't carry out the problem of side slope excavation and slagging tap, provides more technical support for engineering construction.
Drawings
FIG. 1 is a plan view of the slag collecting platform of the utility model.
Fig. 2 is a typical section view of the slag collecting platform of the utility model.
Fig. 3 is a plan view of the tie-beam of the present invention (without the shock absorber).
Fig. 4 isbase:Sub>A longitudinal sectional viewbase:Sub>A-base:Sub>A (includingbase:Sub>A damper) of the tie beam of the present invention.
Fig. 5 is a cross-sectional view B-B (including a shock absorber) of the tie beam of the present invention.
Fig. 6 is a cross-sectional view C-C of the tie beam of the present invention.
Reference numerals: 1. an overwater side slope; 2. underwater side slope; 3. supporting a side slope; 4. locally excavating a platform; 5. a pile mounting hole; 6. pile columns; 7. a tie-beam; 8. a damping device; 9. a steel structure platform; 10. a retaining wall and a passive protective net; 11. Excavating a side slope of the platform; 71. mounting grooves; 72. a limiting hole; 73. mounting holes; 81. supporting a rigid body; 82. a strong spring member; 83. a movable buckle nut; 84. a strong spring member connection portion; 85. a movable rod; 86. a movable buckle.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following preferred embodiments of the present invention are described with reference to specific examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the present invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
As shown in fig. 1 to 6, a slag collecting platform for excavating an overwater slope with high steepness and strong unloading is characterized in that a slag chute channel in the excavation process is arranged on an existing gully of the overwater slope 1, a steel structure platform 9 is locally excavated and built above the bottom water surface of the overwater slope 1 to form a slag collecting platform, the slag collecting platform is arranged at the bottom of the overwater slope 1, and the slag collecting platform covers a plurality of slag chute channels along the longitudinal total length; the water steel structure platform 9 depends on the local excavation platform 4 of the water slope 1 through a support system and overhangs towards the outer side of the water slope 1, and the bottom of the lower support system of the overhanging part of the water steel structure platform 9 extends into the underwater slope 2 and is fixed; and a protective structure is arranged on the outer side of the water steel structure platform 9.
The high steep water side slope has natural gully (current gully), the utility model discloses be located high steep water side slope, can have sufficient depth of water as the water transportation pier after the collection sediment platform encorbelments to the platform can combine the long-range planning to further reform transform in the future, as tourism service facility, and can not be abandoned to hinder the sight.
The range and the width of the local excavation platform 4 are determined after being contrastively analyzed with the construction difficulty degree of the water platform according to the geological conditions in the platform construction area, and the rest part is formed by the water steel structure platform 9. And corresponding anchoring measures including anchor cables, anchor rods, sprayed concrete, slope-attached concrete and the like are taken by the side slope 11 of the excavation platform formed by the local excavation platform 4 according to the excavation height and the slope of the side slope and the topographic conditions of the side slope, so that the safety and the stability of the excavation platform area during the whole construction period are ensured.
The slag blocking on the slag collecting platform can be transported to remove slag by adopting a water surface slag removing or tunnel slag removing mode.
The overwater steel structure platform 9 is longitudinally divided into a plurality of relatively independent units, each independent unit is composed of a steel plate and an I-shaped steel, and the steel plates are located on the upper surfaces of the I-shaped steels to form a whole with corresponding supporting strength and rigidity. In the slag sliding process, the plurality of units are relatively independent, so that the maintenance is convenient in the use process. Meanwhile, planning of peripheral slag body outward transportation channels can be combined, each independent unit corresponds to one of the slag sliding channels respectively, the slag discharging channels can be directly communicated, and mutual influence cannot occur (namely when one of the independent units is damaged, other units can also normally operate).
The supporting system comprises a connecting beam 7, the connecting beam 7 of the overhanging part is prefabricated, the connecting beam 7 of the local excavation platform 4 can be cast in place and prefabricated, the connecting beam 7 is positioned below the water steel structure platform 9, a plurality of damping devices 8 are arranged between the connecting beam 7 and the water steel structure platform 9, the damping devices 8 and I-steel at the bottom of the steel structure platform 9 can be connected through bolts, welding and the like, a plurality of mounting grooves 71 are arranged at intervals on the top surface of the connecting beam 7, a plurality of pairs of shock absorber mounting holes 73 are arranged in the mounting grooves 71, and limiting holes 72 are formed in the bottoms of the shock absorber mounting holes 73; the damping device 8 is arranged in the mounting groove 71.
The damping device 8 comprises a supporting rigid body 81 and a high-strength spring part 82, wherein a high-strength spring part connecting part 84 is arranged at the bottom of the supporting rigid body 81, the supporting rigid body 81 and the high-strength spring part connecting part 84 are integrally arranged, the size of the high-strength spring part connecting part 84 is matched with the aperture of the mounting hole 73, a movable rod 85 is arranged at the bottom of the high-strength spring part connecting part 84, and the size of the movable rod 85 is matched with the size of the limiting hole 72; the high-strength spring member 82 is disposed in the mounting hole 73 between the high-strength spring member connecting portion 84 and the bottom of the mounting hole 73.
The bottom of the connecting beam 7 below the overhanging part of the water steel structure platform 9 is connected with the pile 6, the bottom of the pile 6 extends into the underwater slope 2 and is fixed, and the pile 6 is formed by pouring concrete after steel bars are arranged in steel pipes to form a steel pipe concrete column.
The supporting rigid body 81 is arranged in the mounting groove 71, and two ends of the supporting rigid body 81 are connected with the side wall of the connecting beam 7 through movable buckles 86. Vertical elongated holes are reserved on two sides of the support rigid body 81, and the width of each hole is smaller than the head of the movable buckle nut 83. After the supporting rigid body 81 is placed in the mounting groove 71, the movable buckles 86 at both sides are mounted.
The transverse total width of the slag collecting platform considers necessary space required by tumbling and stagnation of large stones possibly existing in the slag sliding process, and the longitudinal total length of the slag collecting platform is recommended to be more than 15m and extend to two sides of a plurality of slag sliding channels to intercept the slag formed by unplanned slag sliding channels in the processes of excavation blasting and slag body reverse transportation.
The protective structure comprises a retaining wall and a passive protective net 10 which are arranged on the outer side edge of the overwater steel structure platform 9.
The construction method for excavating the slag collecting platform on the high and steep and strong unloading water side slope adopts the high and steep and strong unloading water side slope to excavate the slag collecting platform, and comprises the following steps:
s1, according to topographic and geological conditions and side slope excavation body types, a slag chute is arranged by utilizing a natural gully, and the arrangement range of a slag collecting platform is planned below the slag chute and above the water surface;
s2, excavating a designed excavation area and supporting a side slope 3;
s3, arranging point positions on the pile 6, drilling consolidation grouting holes in advance, wherein the depth of each hole is not less than 0.5m below the bottom surface of the designed pile 6, and performing consolidation grouting to improve the integrity of a rock mass and reduce the problems of hole collapse damage and the like in the drilling process of the large-aperture pile mounting hole 5;
s4, drilling a pile mounting hole 5 by using a large-aperture drilling machine, wherein the aperture is larger than the diameter of a pile 6;
s5, arranging a reinforcing mesh in the steel pipe of the pile column 6, fixing the reinforcing mesh with the pipe wall, lowering the steel pipe, and temporarily fixing the pipe bottom to a depth of 0.5-1 m below the orifice;
s6, placing the concrete pouring guide pipe from the interior of the steel pipe to the bottom of the hole, and pouring concrete to the hole opening of the drilled hole by adopting an underwater concrete pouring process;
s7, putting the steel pipe down to the bottom of the hole, extruding the concrete in the hole by utilizing the self weight of the steel pipe, and if necessary, arranging a vibration exciter at the top of the steel pipe to assist the steel pipe to sink;
s8, continuing pouring underwater concrete until the opening of the steel pipe is formed, and forming a pile 6; and adopting an attached vibrator to vibrate the concrete in the pipe in the pouring process.
S9, mounting a prefabricated connecting beam 7 at the top of the pile 6, and pouring the connecting beam 7 in an excavation area;
s10, sequentially installing a damping device 8, laying upper I-shaped steel and a steel plate, and welding or bolting corresponding components;
s11, arranging a retaining wall and a passive protective net 10 on the outer side edge of the slag collecting platform.
According to the description and the attached drawings of the utility model, the technical personnel in the field can easily manufacture or use the high steep and strong unloading water slope excavation slag collecting platform, and can produce the positive effect recorded by the utility model.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the technical matters of the present invention are all within the protection scope of the present invention for any simple modification and equivalent change of the above embodiments.
Claims (7)
1. High steep, strong off-load side slope excavation collection sediment platform on water, its characterized in that: arranging a slag sliding channel in the excavation process on the existing gully of the water side slope (1), forming a slag collecting platform above the bottom water surface of the water side slope (1) through local excavation and building of a steel structure platform (9), wherein the slag collecting platform is arranged at the bottom of the water side slope (1) and covers a plurality of slag sliding channels in the longitudinal total length; the overwater steel structure platform (9) depends on the local excavation platform (4) of the overwater side slope (1) through a support system and overhangs towards the outer side of the overwater side slope (1), and the bottom of the lower support system of the overhanging part of the overwater steel structure platform (9) penetrates into the underwater side slope (2) and is fixed; and a protective structure is arranged on the outer side of the water steel structure platform (9).
2. The high-gradient and strong-unloading overwater slope excavation slag collecting platform according to claim 1, which is characterized in that: the water steel structure platform (9) is longitudinally divided into a plurality of relatively independent units, each independent unit is composed of a steel plate and an I-shaped steel, and the steel plate is located on the upper surface of the I-shaped steel.
3. The high-gradient and strong-unloading overwater slope excavation slag collecting platform according to claim 1, which is characterized in that: the supporting system comprises a connecting beam (7), the connecting beam (7) is positioned below the water steel structure platform (9), a plurality of damping devices (8) are arranged between the connecting beam (7) and the water steel structure platform (9), a plurality of mounting grooves (71) are arranged on the top surface of the connecting beam (7) at intervals, a plurality of pairs of shock absorber mounting holes (73) are arranged in the mounting grooves (71), and limiting holes (72) are formed in the bottoms of the shock absorber mounting holes (73); the damping device (8) is arranged in the mounting groove (71).
4. The high-gradient and strong-unloading overwater slope excavation slag collecting platform according to claim 3, which is characterized in that: the damping device (8) comprises a supporting rigid body (81) and a high-strength spring component (82), wherein a high-strength spring component connecting part (84) is arranged at the bottom of the supporting rigid body (81), the size of the high-strength spring component connecting part (84) is matched with the aperture of the mounting hole (73), a movable rod (85) is arranged at the bottom of the high-strength spring component connecting part (84), and the size of the movable rod (85) is matched with the size of the limiting hole (72); the high-strength spring component (82) is arranged in the mounting hole (73) and is positioned between the high-strength spring component connecting part (84) and the bottom of the mounting hole (73).
5. The high-gradient and strong-unloading overwater slope excavation slag collecting platform according to claim 3, which is characterized in that: the bottom of a connecting beam (7) below the overhanging part of the water steel structure platform (9) is connected with a pile column (6), the bottom of the pile column (6) extends into the underwater side slope (2) and is fixed, and the pile column (6) is formed by pouring concrete after steel bars are arranged in steel pipes to form a steel pipe concrete column.
6. The high-gradient and strong-unloading overwater slope excavation slag collecting platform as claimed in claim 4, which is characterized in that: the supporting rigid body (81) is arranged in the mounting groove (71), and two ends of the supporting rigid body (81) are connected with the side wall of the connecting beam (7) through movable buckles (86).
7. The high-gradient and strong-unloading overwater slope excavation slag collecting platform according to claim 1, which is characterized in that: the protective structure comprises a retaining wall and a passive protective net (10), wherein the retaining wall and the passive protective net are arranged on the outer side edge of the overwater steel structure platform (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221865817.1U CN218479171U (en) | 2022-07-19 | 2022-07-19 | High-steep strong-unloading overwater slope excavation slag collecting platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221865817.1U CN218479171U (en) | 2022-07-19 | 2022-07-19 | High-steep strong-unloading overwater slope excavation slag collecting platform |
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| CN218479171U true CN218479171U (en) | 2023-02-14 |
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| CN202221865817.1U Active CN218479171U (en) | 2022-07-19 | 2022-07-19 | High-steep strong-unloading overwater slope excavation slag collecting platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262566A (en) * | 2022-07-19 | 2022-11-01 | 中国电建集团华东勘测设计研究院有限公司 | High-steep and strong-unloading overwater slope excavation slag collecting platform and construction method thereof |
| CN115262566B (en) * | 2022-07-19 | 2024-04-26 | 中国电建集团华东勘测设计研究院有限公司 | High-steep and strong-unloading water side slope excavation slag collection platform and construction method thereof |
-
2022
- 2022-07-19 CN CN202221865817.1U patent/CN218479171U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262566A (en) * | 2022-07-19 | 2022-11-01 | 中国电建集团华东勘测设计研究院有限公司 | High-steep and strong-unloading overwater slope excavation slag collecting platform and construction method thereof |
| CN115262566B (en) * | 2022-07-19 | 2024-04-26 | 中国电建集团华东勘测设计研究院有限公司 | High-steep and strong-unloading water side slope excavation slag collection platform and construction method thereof |
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