CN117944183A - High-side slope circular saw and rope saw cutting and digging construction method - Google Patents
High-side slope circular saw and rope saw cutting and digging construction method Download PDFInfo
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- CN117944183A CN117944183A CN202410164451.2A CN202410164451A CN117944183A CN 117944183 A CN117944183 A CN 117944183A CN 202410164451 A CN202410164451 A CN 202410164451A CN 117944183 A CN117944183 A CN 117944183A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 114
- 238000010276 construction Methods 0.000 title claims abstract description 51
- 239000011435 rock Substances 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 10
- 238000005422 blasting Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 239000004575 stone Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 101100008044 Caenorhabditis elegans cut-1 gene Proteins 0.000 description 1
- 101100008046 Caenorhabditis elegans cut-2 gene Proteins 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention relates to the technical field of hydraulic and hydroelectric engineering construction, and discloses a high side slope circular saw and rope saw cutting and digging construction method, which comprises the following steps: measuring and paying off, cutting platform construction, track installation and reinforcement, equipment positioning, inspection and debugging, vertical seam surface cutting, rope saw cutting, waste material separation, waste material stockpiling and the like; the high side slope circular saw and the rope saw cutting and excavating construction method have the advantages of high construction speed, small environmental influence, small disturbance to side slope rock mass, high construction quality and the like, are favorable for protecting the surrounding environment and the stability of the side slope, can better control the side slope form, provide favorable conditions for later side slope greening and environment beautification, are ideal methods for rock high side slope non-blasting excavation, and have wide application prospects in environment-friendly side slope excavating construction.
Description
Technical Field
The invention relates to the technical field of hydraulic and hydroelectric engineering construction, in particular to a high-side slope circular saw and a rope saw cutting and digging construction method.
Background
In the water conservancy and hydropower construction process, a plurality of slopes need to be excavated, the part of the slopes is high in excavation height, the stone amount is large, the slopes are close to surrounding buildings, and a plurality of environmental constraint factors exist, so that the slopes cannot be excavated by adopting the blasting-free cutting technology. The conventional solution to the problem is to adopt a non-blasting excavation technology, wherein the non-blasting excavation technology comprises a static crushing method, a carbon dioxide fracturing method, a hydraulic fracturing method, a high-frequency breaking hammer, a non-blasting sawing method and the like. However, the single blasting-free excavation technology cannot meet the technical requirements of effective construction, reduced influence on surrounding environment, controllable quality and the like.
Disclosure of Invention
In order to solve the problems, the invention provides a high side slope circular saw and rope saw cutting and digging construction method, which meets the requirements of effective construction, reduced influence on surrounding environment, controllable quality and the like on the premise of ensuring construction safety.
The invention adopts the technical scheme that:
The high slope circular saw and rope saw cutting and digging construction method comprises the following steps:
Step 1, measuring and paying off: measuring the original ground before construction, paying off and marking an opening line at the upper part of the side slope according to a design drawing, and constructing a construction road;
Step 2, cutting platform construction: the covering soil on the upper part of the side slope is removed by adopting an excavator, and is turned down step by step and transported outwards; the strong weathered rock at the upper part of the side slope is directly excavated by adopting a hydraulic breaking hammer, so that a relatively flat platform is formed at the upper part of the side slope;
and 3, installing and reinforcing a track: leveling the rails on the cutting plane, measuring the level by adopting a level bar, and after adjusting the leveling rails, oppositely pulling and reinforcing the rails on two sides by adopting steel bar welding;
Step 4, positioning equipment, checking and debugging: the circular saw is transported to the site, is placed on a reinforced track, is powered on, and is used for checking the integrity of saw teeth, a running system of equipment and a power system, so that the equipment can be started to run after the equipment is ensured to be in good condition;
Step 5, vertical seam surface cutting: the vertical seam surface cutting is divided into longitudinal cutting and transverse cutting, the cutting process is completely the same, only the track laying direction and the cutting direction are different, and the depth of the seam surface reaches the pre-cutting plane of the rope saw cutting through the vertical seam surface cutting;
step 6, cutting by a rope saw: the bead string of the rope saw is put into the bottom of the vertical seam from the cutting seam of the circular saw, penetrates through the rope threading opening of the rope saw, penetrates out from the outlet, and starts to cut in the front-back horizontal direction;
Step 7, separating the raw materials: after the vertical seam surface cutting and the horizontal bottom surface rope saw cutting are completed, the rock body forms rectangular block-shaped cubic barren materials, and the barren materials are sequentially removed from one side by using a backhoe to complete the barren material separation;
and 8, raw material stockpiling: and loading the cubic raw materials into a flat car by adopting a forklift, and transporting to a designated place for storage.
Further, in step 3, a wooden wedge is used to level the track on the cutting plane, and the leveling track is adjusted.
Further, in step 4, the circular saw is placed on the already reinforced track by a crane, loader or backhoe.
Further, in step 4, if the saw teeth of the circular saw are severely worn, the saw blade needs to be replaced, and the saw teeth are replaced again.
Further, in step 5, the small saw blade with the diameter of 2.2m is firstly adopted for back and forth walking cutting along the seam surface for longitudinal cutting and transverse cutting, the single walking cutting depth is 0.2-0.3 m, after the cutting equipment cuts along the seam surface for 2 times, the seam surface depth reaches about 0.5m, then the saw blade is changed into the large saw blade with the diameter of 3.3m for cutting, and the cutting equipment cuts along the seam surface for 3 times according to about 0.2-0.3 m for single walking, and the seam surface depth reaches 1.25m, namely, the seam surface depth reaches or is slightly larger than a rope saw cutting pre-cutting plane.
Further, in step 6, steel drills are inserted into the cutting slits in the process of cutting by the rope saw.
The beneficial effects of the invention are as follows:
The high slope circular saw and rope saw cutting and digging construction method comprises the steps of measuring paying-off, cutting platform construction, track installation and reinforcement, equipment positioning, inspection and debugging, vertical seam surface cutting, rope saw cutting, waste material separation, waste material stockpiling and the like; the method has the advantages of high construction speed, small environmental influence, small disturbance to the rock mass of the side slope, high construction quality and the like, is favorable for protecting the surrounding environment and the stability of the side slope, can better control the side slope morphology, provides favorable conditions for greening and beautifying the environment of the later-stage side slope, is an ideal method for non-blasting excavation of the rock high side slope, and has wide application prospect in environment-friendly side slope excavation construction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a flow chart of the high slope circular saw and rope saw cutting and digging construction method of the invention;
FIG. 2 is a schematic view of vertical seam cutting in the high slope circular saw and rope saw cutting and digging construction method of the invention;
In the figure, 1-longitudinal cutting, 2-transverse cutting, 3-small saw blade, 4-large saw blade, 5-rope saw cutting plane and 6-barren material.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
The embodiment provides a high slope circular saw and rope saw cutting and digging construction method, as shown in fig. 1, comprising the following steps:
Step 1, measuring and paying off: the project department measuring team measures the original ground before construction, pays out the line of the opening at the upper part of the side slope according to the design drawing and marks by adopting obvious marks, and measures and places the construction pavement line on site according to construction organization measures so as to facilitate construction of the construction road.
Step 2, cutting platform construction: the upper part of the side slope is mainly covered with soil and strong weathered rock, the covered soil can be directly removed by adopting an excavator, and the covered soil is turned down step by step until the transport vehicle reaches the position and then is loaded and transported outwards; the strong weathered rock can be directly excavated by adopting a hydraulic breaking hammer, and a relatively flat platform is formed at the upper part of the side slope so as to facilitate the installation and cutting operation of the mine circular saw.
And 3, installing and reinforcing a track: the wood wedge leveling rail is adopted on the cutting plane, the leveling rail is adjusted through the wood wedge, the rails on the two sides are reinforced by steel bar welding and oppositely pulling, so that the circular saw can stably run in the use process, the damage caused by saw blade shaking in the cutting process is reduced, and the cutting surface is flatter and more regular.
Step 4, positioning equipment, checking and debugging: the circular saw is transported to the site, is placed on a reinforced track through a crane, a loader or a backhoe, is powered on, and is used for checking the integrity of saw teeth, a running system, a power system and the like of equipment, so that the equipment can be started to operate after the equipment is ensured to be intact. If the saw teeth are severely worn, the saw blade needs to be replaced, and the saw teeth are replaced again.
Step 5, vertical seam surface cutting: as shown in fig. 2, the vertical seam is divided into a longitudinal cut 1 and a transverse cut 2, the cutting process is identical, and only the track laying direction and the cutting direction are different.
Specifically, the vertical seam face cutting process comprises the following steps: after the circular saw is installed on a track subjected to leveling and reinforcement and debugging is finished, a small saw blade 3 with the diameter of 2.2m is adopted to carry out back and forth walking cutting along a seam surface, the single walking cutting depth is 0.2 m-0.3 m, after cutting equipment carries out 2 times of cutting along the seam surface, the seam surface depth reaches about 0.5m, then the saw blade is replaced by a large saw blade 4 with the diameter of 3.3m for cutting, the saw blade is also cut about 0.2 m-0.3 m according to single walking, after cutting equipment carries out 3 times of cutting along the seam surface, the seam surface depth reaches 1.25m, namely, the seam surface depth reaches or is slightly larger than a rope saw cutting pre-cutting plane.
Step 6, cutting by a rope saw: the bead string of the rope saw is put into the bottom of the vertical seam from the cutting seam of the circular saw, penetrates from the rope threading opening of the rope saw, penetrates from the outlet, starts the rope saw, and starts cutting along the plane 5 of the rope saw as shown in fig. 2.
Furthermore, steel bars are inserted into the cutting slits in the cutting process, so that the movement of stone in the cutting process is prevented.
Step 7, separating the raw materials: after the vertical seam cutting and the horizontal bottom face wire saw cutting are completed, the rock body forms rectangular block-shaped cubic raw materials 6, and at this time, the raw materials 6 are sequentially removed from one side by using a backhoe, so that the raw materials 6 are separated.
And 8, raw material stockpiling: and loading the cubic raw materials 6 into a flat car by adopting a forklift, and transporting to a designated place for storage.
Application example:
And (3) excavating construction of a side slope of a ground switch station of the Zhejiang Jinyun pumped storage power station, wherein the ground switch station is arranged on the left bank and river side of the Buddha pit, the site elevation is 438.700m, and the maximum height of the side slope excavation is about 37m. The field has the length of 120m and the width of 40m, and is provided with a GIS building, a relay building, an outgoing line field and the like. The rock of the switch station of the Zhejiang Jinyun pumped storage power station is weak weathered potassium long granite, and buildings and structures of Qingquan mountain village and farmer are stored nearby 50m, and the maximum height of the excavated side slope is 41.3m. The side slope has higher excavation height and larger stone quantity, is close to surrounding buildings, has a plurality of environmental restriction factors, and cannot be excavated by adopting a non-blasting cutting technology.
After the high side slope excavation construction is carried out by adopting the high side slope circular saw and rope saw cutting and digging construction method, the circular saw and the rope saw cutting have the advantages of high construction speed, small environmental influence, small disturbance on the rock mass of the side slope, high construction quality and the like, are beneficial to protecting the surrounding environment and the stability of the side slope, can better control the shape of the side slope, and provide favorable conditions for later side slope greening and environment beautification; on the premise of ensuring construction safety, the requirements of effective construction, reduced influence on surrounding environment, controllable quality and the like are met.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A high side slope circular saw and rope saw cutting and digging construction method is characterized in that: the high slope circular saw and rope saw cutting and digging construction method comprises the following steps:
Step 1, measuring and paying off: measuring the original ground before construction, paying off and marking an opening line at the upper part of the side slope according to a design drawing, and constructing a construction road;
Step 2, cutting platform construction: the covering soil on the upper part of the side slope is removed by adopting an excavator, and is turned down step by step and transported outwards; the strong weathered rock at the upper part of the side slope is directly excavated by adopting a hydraulic breaking hammer, so that a relatively flat platform is formed at the upper part of the side slope;
and 3, installing and reinforcing a track: leveling the rails on the cutting plane, measuring the level by adopting a level bar, and after adjusting the leveling rails, oppositely pulling and reinforcing the rails on two sides by adopting steel bar welding;
Step 4, positioning equipment, checking and debugging: the circular saw is transported to the site, is placed on a reinforced track, is powered on, and is used for checking the integrity of saw teeth, a running system of equipment and a power system, so that the equipment can be started to run after the equipment is ensured to be in good condition;
Step 5, vertical seam surface cutting: the vertical seam surface cutting is divided into longitudinal cutting and transverse cutting, the cutting process is completely the same, only the track laying direction and the cutting direction are different, and the depth of the seam surface reaches the pre-cutting plane of the rope saw cutting through the vertical seam surface cutting;
step 6, cutting by a rope saw: the bead string of the rope saw is put into the bottom of the vertical seam from the cutting seam of the circular saw, penetrates through the rope threading opening of the rope saw, penetrates out from the outlet, and starts to cut in the front-back horizontal direction;
Step 7, separating the raw materials: after the vertical seam surface cutting and the horizontal bottom surface rope saw cutting are completed, the rock body forms rectangular block-shaped cubic barren materials, and the barren materials are sequentially removed from one side by using a backhoe to complete the barren material separation;
and 8, raw material stockpiling: and loading the cubic raw materials into a flat car by adopting a forklift, and transporting to a designated place for storage.
2. The high slope circular saw and rope saw cutting and digging construction method according to claim 1, characterized in that: in step 3, a wooden wedge is adopted to level the track on the cutting plane, and the leveling track is adjusted.
3. The high slope circular saw and rope saw cutting and digging construction method according to claim 1, characterized in that: in step 4, the circular saw is placed on the already reinforced track by a crane, loader or backhoe.
4. The high slope circular saw and rope saw cutting and digging construction method according to claim 1, characterized in that: in step 4, if the saw teeth of the circular saw are severely worn, the saw blade is replaced, and the saw teeth are replaced again.
5. The high slope circular saw and rope saw cutting and digging construction method according to claim 1, characterized in that: in the step 5, the longitudinal cutting and the transverse cutting are performed by adopting a small saw blade with the diameter of 2.2m to perform back and forth walking cutting along the joint surface, the single walking cutting depth is 0.2 m-0.3 m, the depth of the joint surface reaches about 0.5m after the cutting equipment performs 2 times cutting along the joint surface, then the saw blade is changed into a large saw blade with the diameter of 3.3m for cutting, the cutting equipment also performs 3 times cutting along the joint surface according to about 0.2 m-0.3 m, and the depth of the joint surface reaches 1.25m, namely the depth of the joint surface reaches or is slightly larger than a pre-cutting plane of the rope saw cutting.
6. The high slope circular saw and rope saw cutting and digging construction method according to claim 1, characterized in that: in step 6, steel drills are inserted into the cutting slits in the cutting process of the rope saw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410164451.2A CN117944183A (en) | 2024-02-05 | 2024-02-05 | High-side slope circular saw and rope saw cutting and digging construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410164451.2A CN117944183A (en) | 2024-02-05 | 2024-02-05 | High-side slope circular saw and rope saw cutting and digging construction method |
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| Publication Number | Publication Date |
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| CN117944183A true CN117944183A (en) | 2024-04-30 |
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| CN202410164451.2A Pending CN117944183A (en) | 2024-02-05 | 2024-02-05 | High-side slope circular saw and rope saw cutting and digging construction method |
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| CN (1) | CN117944183A (en) |
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- 2024-02-05 CN CN202410164451.2A patent/CN117944183A/en active Pending
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