Structure with combination of water diversion aqueduct and slag blocking wall

Abstract

The utility model provides a water diversion aqueduct and slag retaining wall combined arrangement structure, which is characterized in that a water diversion canal system is arranged under the topographic conditions of a high and steep slope and a developed deep trench in a high seismic intensity area, an aqueduct is arranged in a building of the water diversion canal system to cross the deep trench, and a concrete slag retaining wall is arranged in the deep trench in combination with the aqueduct to reduce the height of the aqueduct. Pier columns of the aqueduct take slag blocking walls as foundations, the bottoms of the pier columns adopt an expanded section form, and vertical steel bars are arranged to penetrate into the concrete slag blocking walls. The inner side of the slag blocking wall is filled with waste slag of channel system construction, and a water intercepting and draining ditch is arranged around a slag stacking body and penetrates through the aqueduct. According to the aqueduct structure, the anti-seismic safety degree of the aqueduct structure can be improved, the engineering investment of the aqueduct is saved, the slag field can be arranged on the inner side of the slag stopping wall, and nearby slag discarding of canal system engineering is facilitated so that the transportation cost can be saved.

Description

Technical Field

[0001] This utility model relates to the field of water conservancy and hydropower engineering, specifically to a structure that combines a water diversion aqueduct with a retaining wall, which is particularly suitable for small and medium-sized water supply and irrigation projects built in mountainous areas. Background Technology

[0002] Irrigation and water supply projects built in mountainous areas often involve complex terrain and geological conditions. These projects typically employ different structural types, such as canals, pipelines, and aqueducts, depending on the specific topography and geological conditions. Aqueducts are commonly used as gully-crossing structures in sloping terrain with alternating gullies. When gullies are deep, the aqueduct piers are very tall, requiring increased pier dimensions and reinforcement to ensure seismic safety. For some small to medium-sized projects, this cost is disproportionate to the project scale. Furthermore, the layout of spoil heaps is often challenging when constructing irrigation systems in sloping terrain with alternating gullies. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a structure and construction method for a water diversion aqueduct combined with a retaining wall, which aims to solve the problem of water diversion aqueduct layout across deep gullies under the terrain conditions of alternating gullies and steep slopes, thereby saving project investment and ensuring the safe operation of the project.

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0005] A structure combining an aqueduct and a retaining wall is characterized by: a water diversion channel being arranged in terrain conditions of steep slopes and deep gullies; an aqueduct being constructed to cross the deep gullies; a retaining wall being arranged in conjunction with the aqueduct; waste slag from the construction of the water diversion channel being piled up inside the retaining wall to form a slag heap; an internal intercepting drainage ditch being set around the slag heap; the piers of the aqueduct body utilizing the retaining wall as a foundation; the bottom of the pier adopting an enlarged cross-section and being provided with vertical reinforcing bars extending into the concrete retaining wall; and horizontal stirrups being provided outside the vertical reinforcing bars of the pier.

[0006] Based on the above technical solutions, this utility model may also employ the following further technical solutions simultaneously, or combine these further technical solutions:

[0007] The retaining wall is a concrete structure built on bedrock in an excavated deep trench. It is equipped with anchor bars and has large square drainage holes at the bottom and small circular drainage holes at the top. The large square drainage holes are filled with large stones, and the inner ends of both the large square drainage holes and the small circular drainage holes are equipped with geotextile-wrapped gravel filters.

[0008] The aqueduct is located at the upstream end near the deep gully. The aqueduct spans a relatively deep gully, and a retaining wall is arranged below the aqueduct. The retaining wall is used as the foundation for the aqueduct piers, which significantly reduces the height of the piers.

[0009] A slag yard is set up inside the slag retaining wall, and the slope of the slag yard above the top of the slag retaining wall is relatively gentle to meet the stability requirements.

[0010] The water diversion aqueduct consists of piers and a channel body, both of which are reinforced concrete structures.

[0011] Furthermore: a drainage ditch is set up around the slag yard, which passes under the aqueduct and discharges to the downstream of the retaining wall.

[0012] By adopting the technical solution of this utility model, the aqueduct and retaining wall are innovatively combined in a layout that solves the design problem of aqueduct layout across deep ditches in small and medium-sized projects under terrain conditions of alternating gullies and steep slopes. This utility model can significantly reduce the height of the piers, save on the engineering investment of the aqueduct, and improve the seismic safety of the aqueduct structure; and a slag yard is set up inside the retaining wall, which is conducive to the nearby disposal of slag in the canal system and saves transportation costs. Attached Figure Description

[0013] Figure 1 This is a plan view of the present invention;

[0014] Figure 2 This is a longitudinal sectional view of the aqueduct and slag retaining wall of this utility model. Figure 1 AA section view;

[0015] Figure 3 This is a schematic cross-sectional view of the aqueduct and slag retaining wall of this utility model. Figure 1 BB section view;

[0016] Figure 4 This is a cross-sectional view of the steel reinforcement arrangement connecting the aqueduct and the slag retaining wall of this utility model.

[0017] Attached diagram labels: 1-slope; 2-deep ditch; 3-water diversion channel; 4-aqueduct body; 5-slag retaining wall; 6-slag heap; 7-interception drainage ditch; 8-anchor bar; 9-large square drainage hole; 10-small round drainage hole; 11-aqueduct pier; 12-aqueduct railing; 13-vertical connecting reinforcement; 14-horizontal stirrup reinforcement. Detailed Implementation

[0018] like Figures 1-4As shown, this embodiment is a structure and construction method for a water diversion aqueduct combined with a retaining wall. This not only improves the seismic safety of the aqueduct structure and saves on the engineering investment of the aqueduct, but also allows for the setting up of a slag yard inside the retaining wall, facilitating the disposal of slag in the canal system and saving transportation costs. The main features of this embodiment are: a water diversion channel 3 is arranged in the terrain conditions of steep slopes 1 and deep ditches 2 in high seismic intensity areas. The water diversion canal system is equipped with an aqueduct to cross the deep ditches 2. A retaining wall 5 is arranged in conjunction with the aqueduct. The slag from the construction of the water diversion channel 3 is piled up inside the retaining wall to form a slag pile 6. An internal intercepting drainage ditch 7 is set around the slag pile 6. The piers 11 of the aqueduct body 4 use the retaining wall 5 as a foundation. The bottom of the pier 11 adopts an enlarged cross-section, which can be adopted in a step-by-step enlargement form from top to bottom. Vertical steel bars 13 are set and penetrated into the concrete retaining wall 5. Horizontal stirrups 14 are set outside the vertical steel bars 13 of the pier 11.

[0019] The retaining wall 5 is a concrete structure built on the bedrock inside the excavated deep trench 2. It is equipped with anchor bars 8, and square large drainage holes 9 are arranged at the bottom. Small circular drainage holes 10 are arranged at the top. The square large drainage holes 9 are filled with large stones 15. Geotextile wrapped gravel reverse filter structure 16 is provided at the inner end of both the square large drainage holes 9 and the small circular drainage holes 10.

[0020] The drainage ditch 7 passes under the aqueduct and drains downstream of the retaining wall.

[0021] The construction method for the water diversion aqueduct combined with the slag retaining wall includes the following steps:

[0022] a. Implement intercepting drainage ditch 7 on sloping terrain 1;

[0023] b. Clean the deep trench 2 within the foundation area of ​​the retaining wall 5, and construct the foundation anchor bars 8;

[0024] c. Pour the slag retaining wall 5, and simultaneously arrange the large square drainage holes 9 and the small round drainage holes 10. Pre-set the vertical steel bars 13 of the pier 6 at the top of the slag retaining wall.

[0025] d. Construction channel 3, the excavated waste is piled up inside the retaining wall 5 to form a waste pile 6, which does not need to be transported out, thus saving costs;

[0026] e. Finally, construct the piers 6 and the aqueduct body 4 of the aqueduct, and install railings 12 on the top of the aqueduct body.

[0027] The above embodiments are merely preferred technical solutions of this utility model. Those skilled in the art should understand that modifications or substitutions to the technical solutions or parameters in the embodiments can be made without departing from the principles and essence of this utility model, and all such modifications or substitutions should be covered within the protection scope of this utility model.

Claims

1. A structure of a diversion aqueduct combined with a slag dam wall arrangement, characterized by: Under the condition of high steep slope (1) and deep ditch (2), the water diversion channel (3) is arranged, and the water diversion channel system building is provided with a aqueduct (4) to cross the deep ditch (2), the aqueduct is combined with a slag retaining wall (5), the slag retaining wall (5) is filled with the slag of the water diversion channel (3) construction to form a slag body (6), the inner drainage ditch (7) is arranged around the slag body, the pier (11) of the aqueduct body uses the slag retaining wall (5) as a foundation, the bottom of the pier (11) is in the form of an expanded section and is provided with vertical steel bars (13) extending into the concrete slag retaining wall (5), and the vertical steel bars (13) of the pier (11) are externally provided with horizontal hoop steel bars (14).

2. A structure of diversion flume combined with slag retaining wall arrangement as claimed in claim 1, wherein: The slag retaining wall (5) is a concrete structure and is built on the bedrock in the excavated deep ditch (2) and is provided with anchor bars (8), the lower part of the slag retaining wall (5) is provided with square large drainage holes (9), the upper part of the slag retaining wall (5) is provided with circular small drainage holes (10), the square large drainage holes (9) are filled with large stones, and the inner ends of the square large drainage holes (9) and the circular small drainage holes (10) are provided with geotextile sand gravel counter-filtration.

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