Permeable concrete filling structure for river bottom holes and its construction method

Abstract

The present invention relates to a river bottom hole permeable concrete filling structure and a construction method thereof, and the scheme includes: a permeable cement mortar rapid scraping and paving construction technology, a permeable concrete bottom sealing flexible reinforcement anchoring anti-floating technology, a permeable concrete prefabricated block and a micro-expansion post-cast concrete strip beam combined filling technology, and a cast-in-place permeable concrete rapid closed maintenance system. The present invention belongs to the field of water conservancy project construction, and can not only improve the permeable cement mortar scraping and paving quality and speed, hole filling effect and maintenance quality, but also ensure the construction quality, greatly improve the on-site construction efficiency, save manpower and cost, and can achieve good technical and economic benefits when applied to actual projects.

Description

Technical Field

[0001] The invention belongs to the field of water conservancy engineering and is suitable for the construction of river bottom pothole repair, especially the potholes constructed by using permeable concrete prefabricated blocks. Background Art

[0002] There are many small and medium-sized rivers in my country. Previous river management work mainly emphasized the basic functions of rivers in "flood discharge, drainage, water storage, water diversion, and navigation". For a long time, people's embankment management of surface water bodies such as rivers and lakes has only focused on unilateral functional needs such as flood control, navigation, and slope stability. However, the ecological restoration of riverbed potholes is often neglected, traditional construction methods have poor restoration effects, and the materials used are not ecologically friendly.

[0003] In view of this, in view of the shortcomings in previous riverbed pothole repair construction, a new riverbed pothole permeable concrete filling structure and its construction method are urgently needed to improve construction efficiency, improve construction quality, and ensure safe and reliable construction quality. Summary of the invention

[0004] The purpose of the present invention is to provide a riverbed pothole permeable concrete filling structure and a construction method thereof which can effectively improve the quality and speed of permeable cement mortar paving, the pothole filling effect and the maintenance quality, greatly improve on-site construction efficiency, save manpower and costs, and have the characteristics of environmental protection and energy saving, convenient construction and simple operation.

[0005] To achieve the above technology, the present invention adopts the following technical solutions:

[0006] The permeable concrete filling structure of the river bottom hole and the construction method thereof include the following steps:

[0007] Step 1: Construction preparation: Explain the construction technical plan and technical disclosure, and all kinds of machinery and equipment have been brought into the site and passed the acceptance inspection;

[0008] Step 2: Measurement and positioning: Use global positioning equipment to locate the pothole;

[0009] Step 3: Construction of water retaining dam and pumping out water: Set up temporary woven bag water retaining dams 3 meters away from the river edge on both sides of the river, pump out the accumulated water and clear the silt;

[0010] Step 4: Construction of permeable cement mortar: After laying permeable cement mortar on the bottom of the pit, scrape and spread it, assemble a permeable cement mortar rapid scraping and spreading device, and place the permeable cement mortar rapid scraping and spreading device on the ground beside the river;

[0011] Step 5: Permeable concrete bottom sealing construction: pour permeable concrete for bottom sealing, lay flexible anti-floating anchor rods on it, fix the anti-floating anchor rods on the flexible reinforcement net by iron wire and drive them into the soil;

[0012] The clamping plate base is fixed on both sides of the pit hole, the clamping plate groove is arranged on the clamping plate base, and the clamping plate is arranged in the clamping plate groove;

[0013] The bottom of the rectangular closed protective cover is arranged between the clamping plates and fixed by fixing screws;

[0014] The water pipe is fixed to the top of the rectangular closed protective cover through the water pipe fixing piece, and the sprinkler head is arranged on the water pipe so as to carry out water sprinkling maintenance after water seepage;

[0015] Step 6: Filling construction with permeable concrete prefabricated blocks: constructing permeable concrete prefabricated blocks and strip beams on the permeable concrete and performing combined filling;

[0016] Strip beams are arranged between the prefabricated blocks, the strip beam templates are arranged on both sides of the strip beams, the micro-expansion concrete is arranged in the strip beams, and the baffles are arranged at both ends of the strip beams and fixed to the permeable concrete prefabricated blocks through fixing bolts;

[0017] Wherein, the bolt hole is arranged on the baffle bar;

[0018] Step 7. Removal of the retaining dam: After filling is completed, backfill in time and remove the retaining dam after acceptance.

[0019] Furthermore, the assembly steps of the permeable cement mortar rapid paving device include:

[0020] The excavator is placed on the ground beside the river channel, the bucket is arranged at one end of the excavator facing the river channel, the scraper board is arranged at the lower part of the bucket opening, one end of the scraper board arm is fixed to the scraper board, and the other end is fixed to the bucket through a welding fixture;

[0021] The casting notch is arranged on the scraping plate, the casting trough is arranged at the casting notch at the lower part of the bucket, and the baffles are arranged on both sides of the bucket mouth to facilitate the scraping construction.

[0022] This arrangement improves the construction efficiency of the water-permeable cement mortar, reduces the waste of the water-permeable cement mortar, improves the construction quality of the water-permeable cement mortar, and reduces the backfill amount of the water-permeable cement mortar.

[0023] The permeable concrete filling structure for river bottom holes is used for the construction of the above-mentioned permeable concrete filling construction method for river bottom holes, including a permeable cement mortar rapid scraping device, a permeable concrete bottom sealing flexible reinforcement anchor anti-floating structure, a permeable concrete prefabricated block and a micro-expansion post-cast concrete strip beam combined filling structure, and a cast-in-place permeable concrete rapid sealing and curing system;

[0024] The permeable cement mortar rapid scraping device is used for scraping and paving construction after the permeable cement mortar is laid on the bottom of the pit;

[0025] The permeable concrete bottom seal flexible reinforced anchor anti-floating structure is used for pouring permeable concrete for bottom seal construction;

[0026] The combined filling structure of permeable concrete prefabricated blocks and micro-expansion post-cast concrete beams is used for filling construction of permeable concrete;

[0027] The cast-in-place permeable concrete rapid closed curing system is used for watering and curing after permeability.

[0028] Furthermore, the permeable cement mortar rapid scraping and paving device includes an excavator placed on the ground beside a river channel, a bucket arranged at one end of the excavator, a casting trough arranged at the bottom of the bucket, a scraping plate at the bottom of the bucket mouth, a scraping plate arm fixed to one end of the scraping plate, a welded fixture fixed to the other end of the scraping plate arm, baffles arranged on both sides of the bucket mouth, and a casting groove arranged on the scraping plate.

[0029] Furthermore, the permeable concrete bottom flexible reinforced anchor anti-floating structure includes permeable concrete arranged in the pit, a flexible reinforcement net arranged on the permeable concrete, anti-floating anchor rods and iron wires, and the anti-floating anchor rods are fixed to the flexible reinforcement net by iron wires and driven into the soil.

[0030] Furthermore, the combined filling structure of the permeable concrete precast block and the micro-expansive post-cast concrete strip beam includes a permeable concrete precast block, a strip beam arranged in the middle of the permeable concrete precast block, micro-expansive concrete arranged in the strip beam, strip beam formwork arranged on both sides of the strip beam, baffles arranged at both ends of the strip beam, fixing bolts for fixing the baffles, and bolt holes arranged on the baffles.

[0031] Furthermore, the cast-in-place permeable concrete rapid closed maintenance system includes a plywood base fixed on both sides of the pit, a plywood groove arranged on the plywood base, a plywood arranged in the plywood groove, a fixing screw for fixing a rectangular closed protective cover, a rectangular closed protective cover with the bottom arranged between the plywoods, a water pipe fixed on the top of the rectangular closed protective cover, a water pipe fixing part for fixing the rectangular closed protective cover, and a nozzle arranged on the water pipe.

[0032] Compared with the prior art, the present invention has the following characteristics and beneficial effects:

[0033] 1) The present invention adopts a permeable cement mortar rapid scraping and paving device for construction, which has a simple structure, can be assembled on site, has a good scraping and paving effect, a fast construction speed, and saves construction time.

[0034] 2) The present invention adopts the permeable concrete bottom sealing flexible reinforcement anchoring anti-floating technology and the cast-in-place permeable concrete rapid closed curing system for construction, which is simple to operate, has good anti-floating and curing effects, saves costs, and ensures the quality of permeable concrete construction.

[0035] 3) The present invention adopts the combined filling technology of permeable concrete prefabricated blocks and micro-expansion post-cast concrete beams, which improves the integrity and stability of the structure, is environmentally friendly, and has safe and reliable quality.

[0036] 4) The present invention can improve the water permeability of the riverbed and improve the water quality of the river; prevent the collapse of riverbed holes and ensure the safety of the river; beautify the riverbank landscape and improve the ecological environment quality of the river. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is a front view of the structure of a permeable cement mortar rapid scraping and paving device;

[0038] Figure 2 This is the left view of the structure of the permeable cement mortar rapid scraping device;

[0039] Figure 3 This is a schematic diagram of a flexible reinforced anchor anti-floating structure of a permeable concrete bottom seal;

[0040] Figure 4 It is a top view of the filling structure composed of permeable concrete prefabricated blocks and slightly expanded post-cast concrete beams;

[0041] Figure 5 It is a side view of the filling structure composed of permeable concrete prefabricated blocks and slightly expanded post-cast concrete beams;

[0042] Figure 6 It is a structural diagram of the rapid closed curing system of cast-in-place permeable concrete;

[0043] Figure 7 yes Figure 6 AA structural section view.

[0044] In the figure, 1, ground; 2, excavator; 3, bucket; 4, casting trough; 5, scraper board; 6, scraper board arm; 7, welding fixture; 8, baffle; 9, casting notch; 10, pit; 11, permeable concrete; 12, flexible reinforcement mesh; 13, anti-floating anchor rod; 14, wire; 15, permeable concrete prefabricated block; 16, micro-expansive concrete; 17, strip beam formwork; 18, baffle; 19, fixing bolt; 20, bolt hole; 21, strip beam; 22, splint base; 23, splint groove; 24, splint; 25, fixing screw; 26, rectangular closed protective cover; 27, water pipe; 28, water pipe fixing; 29, sprinkler. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0046] Those skilled in the art should understand that, in the disclosure of the present application, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be understood as limiting the present application.

[0047] Example 1

[0048] like Figures 1 to 7 As shown, the permeable concrete filling structure of the riverbed pit includes a permeable cement mortar rapid scraping device, a permeable concrete bottom flexible reinforcement anchor anti-floating structure, a filling structure composed of permeable concrete prefabricated blocks and micro-expansion post-cast concrete beams, and a cast-in-place permeable concrete rapid closing and maintenance system.

[0049] Among them, the permeable cement mortar rapid scraping device is used for scraping and paving construction after the permeable cement mortar is laid on the bottom of the pit; the permeable concrete bottom flexible reinforced anchor anti-floating structure is used for pouring permeable concrete for bottom construction; the permeable concrete prefabricated block and micro-expansion post-cast concrete beam combined filling structure is used for filling construction of permeable concrete; the cast-in-place permeable concrete rapid closed maintenance system is used for watering maintenance after water permeability.

[0050] The permeable cement mortar rapid scraping device comprises an excavator 2, a bucket 3, a casting trough 4, a scraping plate 5, a scraping plate arm 6, a welding fixture 7, a baffle 8, and a casting notch 9. The excavator 2 is placed on the ground 1 beside the river channel, the bucket 3 is on the excavator 2, the scraping plate 5 is arranged at the lower part of the bucket mouth, one end of the scraping plate arm 6 is fixed on the scraping plate 5, and the other end is fixed to the bucket 3 through a welding fixture 7, the casting notch 9 is arranged on the scraping plate 5, the casting trough 4 is arranged at the casting notch 9 at the lower part of the bucket 3, and the baffle 8 is arranged on both sides of the bucket mouth.

[0051] As an improved specific implementation method, the permeable concrete bottom flexible reinforced anchor anti-floating structure includes permeable concrete 11, a flexible reinforced mesh 12, anti-floating anchor rods 13, and fixed iron wires 14. The permeable concrete 11 is arranged in the pit 10, the flexible reinforced mesh 12 is arranged on the permeable concrete 11, and the anti-floating anchor rods 13 are fixed to the flexible reinforced mesh 12 by iron wires 14 and driven into the soil.

[0052] As an improved specific implementation method, the combined filling structure of permeable concrete precast blocks and micro-expansive post-cast concrete strip beams includes a permeable concrete precast block 15, micro-expansive concrete 16, a strip beam template 17, a baffle 18, a fixing bolt 19, a bolt hole 20, and a strip beam 21. The strip beam 21 is arranged in the middle of the permeable concrete precast block 15, the strip beam template 17 is arranged on both sides of the strip beam 21, the micro-expansive concrete 16 is arranged in the strip beam 21, the baffle 18 is arranged at both ends of the strip beam 21, and is fixed to the permeable concrete precast block 15 by fixing bolts 19, and the bolt holes 20 are arranged on the baffle 18.

[0053] As an improved specific implementation method, the cast-in-place permeable concrete rapid closed maintenance system includes a plywood base 22, a plywood groove 23, a plywood 24, a fixing screw 25, a rectangular closed protective cover 26, a water pipe 27, a water pipe fixing 28, and a nozzle 29. The plywood base 22 is fixed on both sides of the pit 10, the plywood groove 23 is arranged on the plywood base 22, the plywood 24 is arranged in the plywood groove 23, the bottom of the rectangular closed protective cover 26 is arranged between the plywood 24 and is fixed by the fixing screw 25, the water pipe 27 is fixed to the top of the rectangular closed protective cover 26 by the water pipe fixing 28, and the nozzle 29 is arranged on the water pipe 27.

[0054] Example 2

[0055] The construction method of filling the river bottom hole with permeable concrete includes the following steps:

[0056] Step 1: Construction preparation: Explain the construction technical plan and technical briefing, and all kinds of machinery and equipment have been brought into the site and passed the acceptance inspection.

[0057] Step 2: Measurement and positioning: Use a GPS instrument to locate the position of the pothole 10.

[0058] Step three: construct a dam and pump water: set up temporary woven bag dams on both sides of the river 3 meters away from the edge of the river to pump out the accumulated water and clear the silt.

[0059] Step 4, permeable cement mortar construction: after permeable cement mortar is laid at the bottom of the pit 10, scraping and paving are carried out, and a permeable cement mortar rapid scraping and paving device is assembled, the excavator 2 is placed on the ground 1 beside the river channel, the bucket 3 is on the excavator 2, the scraping plate 5 is arranged at the lower part of the bucket mouth, one end of the scraping plate arm 6 is fixed on the scraping plate 5, and the other end is fixed to the bucket 3 by a welding fixture 7, a casting notch 9 is arranged on the scraping plate 5, a casting trough 4 is arranged at the casting notch 9 at the lower part of the bucket 3, and baffles 8 are arranged on both sides of the bucket mouth to carry out scraping and paving construction;

[0060] Step five, construction of permeable concrete bottom sealing: pour permeable concrete 11 for bottom sealing, lay flexible anti-floating anchor rods 13 on it, fix them on the flexible reinforced mesh 12 through iron wire 14 and drive them into the soil, fix the plywood base 22 on both sides of the pit 10, the plywood groove 23 is arranged on the plywood base 22, the plywood 24 is arranged in the plywood groove 23, the bottom of the rectangular closed protective cover 26 is arranged between the plywood 24 and fixed by the fixing screw 25, the water pipe 27 is fixed to the top of the rectangular closed protective cover 26 by the water pipe fixing piece 28, the sprinkler 29 is arranged on the water pipe 27, and watering maintenance is carried out after water permeation.

[0061] Step six, filling construction of permeable concrete prefabricated blocks: construct permeable concrete prefabricated blocks 15 and strip beams 21 on the permeable concrete 11 for combined filling, arrange strip beams 21 between the prefabricated blocks, strip beam templates 17 are arranged on both sides of the strip beams 21, micro-expansive concrete 16 is arranged in the strip beams 21, and retaining strips 18 are arranged at both ends of the strip beams 21, which are fixed to the permeable concrete prefabricated blocks 15 by fixing bolts 19, and bolt holes 20 are arranged on the retaining strips 18.

[0062] Step seven, dismantling of the retaining dam: after filling is completed, backfill in time and dismantle the retaining dam after passing the acceptance.

[0063] The parts not described in detail in this application are prior art, so this application does not describe them in detail.

[0064] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0065] Although this article uses more professional terms, it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of this application; interpreting them as any additional restrictions is contrary to the spirit of this application.

[0066] The present application is not limited to the above-mentioned optimal implementation mode. Anyone can derive other forms of products under the inspiration of the present application. However, no matter what changes are made in the shape or structure, any technical solution that is the same or similar to that of the present application falls within the protection scope of the present application.

Claims

1. A construction method for filling river bottom holes with permeable concrete, characterized in that: The following steps are involved: Step 1: Construction preparation: Explain the construction technical plan and technical disclosure, and all kinds of machinery and equipment have been brought into the site and passed the acceptance inspection; Step 2: Measurement and positioning: Use a global positioning device to locate the position of the pothole (10); Step 3: Construction of water retaining dam and pumping out water: Temporary woven bag water retaining dams are set up at a set distance from the edge of the river on both sides of the river to pump out the accumulated water and clear the silt; Step 4: Construction of permeable cement mortar: After laying permeable cement mortar on the bottom of the pit, scrape and spread it, assemble a permeable cement mortar rapid scraping and spreading device, and place the permeable cement mortar rapid scraping and spreading device on the ground (1) beside the river; Step 5: Construction of permeable concrete bottom sealing: pouring permeable concrete (11) for bottom sealing, laying flexible anti-floating anchor rods (13) thereon, fixing the anti-floating anchor rods (13) on the flexible reinforcement net (12) by iron wires (14) and driving them into the soil; The clamping plate base (22) is fixed on both sides of the pit (10), the clamping plate groove (23) is arranged on the clamping plate base (22), and the clamping plate (24) is arranged in the clamping plate groove (23); The bottom of the rectangular closed protective cover (26) is arranged between the clamping plates (24) and is fixed by a fixing screw (25); The water pipe (27) is fixed to the top of the rectangular closed protective cover (26) through a water pipe fixing member (28), and a sprinkler head (29) is arranged on the water pipe (27) so as to perform water sprinkling maintenance after water permeation; Step 6: Filling with prefabricated permeable concrete blocks: constructing prefabricated permeable concrete blocks (15) and strip beams (21) on the permeable concrete and performing combined filling; A strip beam (21) is arranged between the prefabricated blocks (15), a strip beam template (17) is arranged on both sides of the strip beam (21), a micro-expansion concrete (16) is arranged in the strip beam (21), and a retaining strip (18) is arranged at both ends of the strip beam (21) and fixed to the permeable concrete prefabricated block (15) through fixing bolts (19); Wherein, the bolt hole (20) is provided on the blocking bar (18); Step 7. Removal of the retaining dam: After filling is completed, backfill in time and remove the retaining dam after acceptance.

2. The method for filling river bottom holes with permeable concrete as claimed in claim 1, characterized in that: The assembly steps of the permeable cement mortar rapid scraping device include: The excavator (2) is placed on the ground (1) beside the river channel, the bucket (3) is arranged at one end of the excavator (2) facing the river channel, the scraper plate (5) is arranged at the lower part of the bucket opening, one end of the scraper plate arm (6) is fixed to the scraper plate (5), and the other end is fixed to the bucket (3) through a welding fixture (7); A casting notch (9) is arranged on the scraping plate (5), a casting trough (4) is arranged at the casting notch (9) at the bottom of the bucket (3), and baffles (8) are arranged on both sides of the bucket opening to facilitate scraping construction.

3. A permeable concrete filling structure for river bottom holes, used for the construction of the permeable concrete filling construction method for river bottom holes according to claim 2, characterized in that: It includes a permeable cement mortar rapid scraping device, a permeable concrete bottom sealing flexible reinforcement anchor anti-floating structure, a permeable concrete prefabricated block and a micro-expansion post-cast concrete beam combined filling structure, and a cast-in-place permeable concrete rapid sealing and curing system; The permeable cement mortar rapid scraping and paving device is used for scraping and paving construction after the permeable cement mortar is laid on the bottom of the pit; The permeable concrete bottom-sealing flexible reinforced anchor anti-floating structure is used for pouring permeable concrete for bottom-sealing construction; The combined filling structure of the permeable concrete prefabricated block and the micro-expansion post-cast concrete beam is used for filling the permeable concrete; The cast-in-place permeable concrete rapid closed curing system is used for water sprinkling curing after permeation.

4. The permeable concrete filling structure for river bottom holes according to claim 3 is characterized in that: The permeable cement mortar rapid scraping device comprises an excavator (2) placed on the ground (1) beside a river channel, a bucket (3) arranged at one end of the excavator (2), a casting groove (4) arranged at the bottom of the bucket (3), a scraping plate (5) at the bottom of the bucket mouth, a scraping plate arm (6) fixed to one end of the scraping plate (5), a welding fixture (7) fixed to the other end of the scraping plate arm (6), baffles (8) arranged at both sides of the bucket mouth, and a casting groove (9) arranged on the scraping plate (5).

5. The permeable concrete filling structure for river bottom holes according to claim 3 is characterized in that: The permeable concrete bottom-sealed flexible reinforced anchor anti-floating structure comprises a permeable concrete (11) arranged in a pit (10), a flexible reinforced mesh (12) arranged on the permeable concrete (11), an anti-floating anchor rod (13) and an iron wire (14); the anti-floating anchor rod (13) is fixed to the flexible reinforced mesh (12) by the iron wire (14) and driven into the soil.

6. The permeable concrete filling structure for river bottom holes according to claim 3 is characterized in that: The combined filling structure of a permeable concrete prefabricated block and a micro-expansion post-cast concrete strip beam comprises a permeable concrete prefabricated block (15), a strip beam (21) arranged in the middle of the permeable concrete prefabricated block (15), micro-expansion concrete (16) arranged in the strip beam (21), strip beam templates (17) arranged on both sides of the strip beam (21), retaining bars (18) arranged at both ends of the strip beam (21), fixing bolts (19) for fixing the retaining bars (18), and bolt holes (20) arranged on the retaining bars (18).

7. The permeable concrete filling structure for river bottom holes according to claim 3 is characterized in that: The cast-in-place permeable concrete rapid closed curing system comprises a clamping plate base (22) fixed to both sides of a pit (10), a clamping plate groove (23) arranged on the clamping plate base (22), a clamping plate (24) arranged in the clamping plate groove (23), a fixing screw (25) for fixing a rectangular closed protective cover (26), a rectangular closed protective cover (26) with its bottom arranged between the clamping plates (24), a water pipe (27) fixed to the top of the rectangular closed protective cover (26), a water pipe fixing member (28) for fixing the rectangular closed protective cover (26), and a nozzle (29) arranged on the water pipe (27).

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