CN111042176A - Device for rapidly processing rotary excavation pile foundation karst cave and using method thereof - Google Patents
Device for rapidly processing rotary excavation pile foundation karst cave and using method thereof Download PDFInfo
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- CN111042176A CN111042176A CN201911287377.9A CN201911287377A CN111042176A CN 111042176 A CN111042176 A CN 111042176A CN 201911287377 A CN201911287377 A CN 201911287377A CN 111042176 A CN111042176 A CN 111042176A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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Abstract
The invention relates to the technical field of solution cavity treatment and discloses a device for quickly treating a rotary excavating pile foundation solution cavity. This device of stake basis solution cavity is dug soon to rapid processing and application method thereof, because different solution cavity size and shape diverse, just need the cooperation of polylith iron skin board to form with it assorted iron sheet in order to shutoff solution cavity, the cardboard is connected with the connecting plate, can reduce the gap between two adjacent iron skin boards, like this, can effectively avoid the concrete to flow from the crack of two adjacent iron skin boards, can also save the raw materials when guaranteeing the slip casting effect, and construction cycle is shorter moreover.
Description
Technical Field
The invention relates to the technical field of karst cave treatment, in particular to a device for quickly treating a rotary excavating pile foundation karst cave and a using method thereof.
Background
In the construction of the engineering rotary digging pile, the karst landform underground karst cave and karst rock are developed strongly in the karst landform construction area. During the drilling process of the rotary excavating pile foundation, the rotary excavating pile foundation generally meets the conditions of karst caves and rock fractures. According to the common method, a karst cave and a crack are drilled, C20 concrete is used for back pouring or a steel casing is added;
in the actual construction process of the reverse pouring method, holes are drilled again to the designed depth of the hole piles after the concrete reaches a certain strength, if a large karst cave is met, a large amount of concrete is poured into the holes, and the construction period is delayed.
The technical scheme in the prior art is as follows: c20 concrete is adopted for reverse irrigation or a steel casing is placed when encountering a karst cave in the drilling process of the rotary excavating pile;
the prior art has the following disadvantages: the time period of the concrete reverse irrigation and steel protection is relatively long, so that the construction period is not guaranteed, and the material waste is caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a device for quickly processing rotary excavation pile foundation karst caves and a using method thereof, which have the advantages of short construction period, material saving and the like, and solve the problems that the time period for reverse concrete pouring and steel protection placement is relatively long, the target of the construction period is not ensured, and the material waste is caused.
(II) technical scheme
In order to realize the purposes of short construction period and material saving, the invention provides the following technical scheme: the utility model provides a device of pile foundation solution cavity is dug soon in fast processing, includes the iron cage and the curved iron sheet board of cylindricality, iron sheet board and iron cage joint, the iron cage comprises many reinforcing bars and annular connecting piece, and many reinforcing bars are evenly respectively on the connecting piece, just, reinforcing bar and connecting piece fixed connection, the inserted bar of bottom fixedly connected with and the connecting piece grafting of iron sheet board, the internal thread of connecting piece is connected with the fixing bolt who corresponds with the inserted bar.
Preferably, the bottom of iron sheet board is rotated and is connected with two axis of rotation, the outside of axis of rotation is rotated and is connected with the bracing piece, the bottom and the connecting piece welding of bracing piece.
Preferably, a clamping plate is installed above the left side face of the iron sheet plate, and a connecting plate corresponding to the clamping plate is fixedly connected to the right side wall of the iron sheet plate.
Preferably, the thickness of the sheet iron is not less than 2mm, and the bending radian of the sheet iron is consistent with that of the outer wall of the iron cage.
Preferably, the interval between two adjacent reinforcing bars is 200mm, and reinforcing bar and bracing piece staggered distribution.
Preferably, the corresponding position of iron sheet and reinforcing bar is fixed through the reinforcing bolt, and the cover is equipped with the gasket on the reinforcing bolt.
The invention provides a use method of a device for rapidly processing rotary excavation pile foundation karst caves, which comprises the following steps:
determining the position of the karst cave: the position of the karst cave in the hole can be shot by the lighting equipment in cooperation with the camera equipment, the shape and the size of the karst cave can be calculated by the shot image information of the karst cave, and then the height of the hole and the height of the karst cave can be measured by the depth measuring equipment so as to facilitate subsequent construction;
b, preparation work: b, manufacturing a corresponding iron cage according to the shape, size and height of the karst cave measured in the step A, then installing an iron sheet plate according to the information of the karst cave, inserting an inserted rod on the iron sheet plate into the connecting piece, screwing in a fixing bolt to conveniently connect the iron sheet plate with the connecting piece, then correspondingly screwing in a reinforcing bolt, and finally welding the supporting rod with the connecting piece to improve the stability of connection of the iron sheet plate and the connecting piece;
c, adjustment work: adjusting the number of the iron sheet plates to be installed according to the condition of the karst cave until the area of the formed iron sheet is larger than the size of the karst cave, rechecking, connecting two adjacent iron sheet plates with the connecting plate through the clamping plate, and reducing the width of a gap between the iron sheet plates so that concrete cannot overflow from the front of the two iron sheet plates;
d, starting construction: the hoisting equipment is used for placing the iron cage provided with the iron sheet plate into the hole, and when the iron cage is placed, the iron sheet is ensured to be over against the position of the karst cave, so that the karst cave is completely blocked by the iron sheet, and the subsequent construction is convenient to carry out;
e, grouting: select the great cement of viscidity and add the grit and drop into and stir in the agitating unit and mix, make the concrete that grout and use, then pour the concrete into the iron cage through grouting equipment in, fill up the iron cage, should cooperate the concrete after pouring to vibrate by equipment when pouring the concrete to guarantee the effect of pouring of concrete, make whole filling member more firm.
(III) advantageous effects
Compared with the prior art, the invention provides a device for rapidly processing rotary excavation pile foundation karst caves and a using method thereof, and the device has the following beneficial effects:
1. this device of stake basis solution cavity is dug soon to rapid processing and application method thereof, because different solution cavity size and shape diverse just need the cooperation of polylith iron skin board to form with it assorted iron sheet in order to shutoff solution cavity, the cardboard is connected with the connecting plate, can reduce the gap between two adjacent iron skin boards, like this, can effectively avoid the concrete to flow from the crack of two adjacent iron skin boards, saves raw materials more.
2. This device of stake basis solution cavity is dug soon in rapid processing and application method thereof, the iron sheet can adjust the hookup location with the iron cage as required, can carry out the regulation of iron sheet mounted position according to the solution cavity position, make the mounted position of iron sheet convenient regulation more, and simple structure, the shutoff that can adapt to different solution cavities is used, can consolidate the inserted bar through fixing bolt, with the stability of increasing iron sheet and iron cage and being connected, avoid slip casting in-process iron sheet and iron cage to separate, guarantee the effect of slip casting, and construction cycle is shorter.
3. According to the device for rapidly processing the rotary excavating pile foundation karst cave and the using method thereof, the stability of connection of the iron sheet plate and the steel bar can be improved through the reinforcing bolt and the gasket, the thicker iron sheet plate can improve the strength of the whole structure so as to prevent the concrete from flowing out due to the breakage of the iron sheet plate, and the whole equipment is more stable.
Drawings
FIG. 1 is a schematic structural diagram of a device for rapidly processing a rotary excavation pile foundation karst cave, provided by the invention;
fig. 2 is a cross-sectional view of a part a-a in fig. 1 of the device for rapidly processing the rotary excavation pile foundation karst cave provided by the invention.
In the figure: 1. an iron cage; 2. a sheet iron plate; 3. reinforcing steel bars; 4. a connecting member; 5. inserting a rod; 6. fixing the bolt; 7. a rotating shaft; 8. a support bar; 9. clamping a plate; 10. a connecting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-2, a device for rapidly processing a rotary digging pile foundation karst cave, comprising a cylindrical iron cage 1 and an arc-shaped iron sheet 2, wherein the iron sheet 2 is connected with the iron cage 1 in a clamping manner, the iron cage 1 is composed of a plurality of steel bars 3 and an annular connecting piece 4, the plurality of steel bars 3 are uniformly arranged on the connecting piece 4 respectively, the steel bars 3 are fixedly connected with the connecting piece 4, the bottom of the iron sheet 2 is fixedly connected with an inserted rod 5 inserted with the connecting piece 4, the inner thread of the connecting piece 4 is connected with a fixing bolt 6 corresponding to the inserted rod 5, the firmness of a formed concrete piece can be increased in the pouring process through the arrangement of the iron cage 1, the iron sheet 2 can be adjusted according to the connecting position with the iron cage 1, the adjusting of the mounting position of the iron sheet 2 can be performed according to the karst cave position, the mounting position of the iron sheet 2 is more convenient to adjust, the structure is simple, and can be adapted to the, can consolidate inserted bar 5 through fixing bolt 6 to increase the stability that iron sheet board 2 and iron cage 1 are connected, avoid slip casting in-process iron sheet board 2 and iron cage 1 separately, guarantee the effect of slip casting.
When installation iron sheet board 2, need be connected iron sheet board 2 with connecting piece 4, the bottom of iron sheet board 2 is rotated and is connected with two axis of rotation 7, and the outside of axis of rotation 7 is rotated and is connected with bracing piece 8, and the bottom and the connecting piece 4 welding of bracing piece 8 insert inside iron cage 1 with bracing piece 8, then with the inner wall welding of bracing piece 8 and connecting piece 4, can increase the stability that iron sheet board 2 and iron cage 1 are connected.
The specification of iron sheet 2 is fixed, make things convenient for 2 batch production of iron sheet, cardboard 9 is installed to iron sheet 2's left surface top, the connecting plate 10 that the right side wall fixedly connected with of iron sheet 2 corresponds with cardboard 9, because different karst cave size and shape diverse, just need 2 cooperations of polylith iron sheet to form assorted iron sheet with it with the shutoff karst cave, cardboard 9 is connected with connecting plate 10, can reduce the gap between two adjacent iron sheet 2, and like this, can effectively avoid the concrete to flow from the crack of two adjacent iron sheet 2, save raw materials more.
The invention provides a use method of a device for rapidly processing rotary excavation pile foundation karst caves, which comprises the following steps:
determining the position of the karst cave: the position of the karst cave in the hole can be shot by the lighting equipment in cooperation with the camera equipment, the shape and the size of the karst cave can be calculated by the shot image information of the karst cave, and then the height of the hole and the height of the karst cave can be measured by the depth measuring equipment so as to facilitate subsequent construction;
b, preparation work: b, according to the shape, size and height of the karst cave measured in the step A, a corresponding iron cage 1 can be manufactured, then an iron sheet plate 2 is installed according to the karst cave information, an inserting rod 5 on the iron sheet plate 2 is inserted into a connecting piece 4, then a fixing bolt 6 is screwed in to conveniently connect the iron sheet plate 2 with the connecting piece 4, then a reinforcing bolt is correspondingly screwed in, and finally a supporting rod 8 is welded with the connecting piece 4, so that the stability of connection of the iron sheet plate 2 with the connecting piece 4 can be improved;
c, adjustment work: adjusting the number of the installed iron sheet plates 2 according to the condition of the karst cave until the area of the formed iron sheet is larger than the size of the karst cave, rechecking, connecting two adjacent iron sheet plates 2 with a connecting plate 10 through a clamping plate 9, and reducing the width of a gap between the iron sheet plates 2 so that concrete cannot overflow from the front of the two iron sheet plates 2;
d, starting construction: the iron cage 1 provided with the iron sheet plate 2 is placed into the hole by using hoisting equipment, and when the iron cage 1 is placed, the iron sheet is ensured to be over against the position of the karst cave, so that the karst cave is completely blocked by the iron sheet, and the subsequent construction is convenient to carry out;
e, grouting: select the great cement of viscidity and add the grit and drop into and stir in the agitating unit and mix, make the concrete that grout was used, then pour the concrete into iron cage 1 through grouting equipment in, fill up iron cage 1 until, should cooperate the concrete equipment that vibrates to the concrete after pouring in when pouring the concrete to guarantee the effect of pouring of concrete, make whole pouring member more firm.
The invention has the beneficial effects that: adjusting the number of the installed iron sheets 2 according to the condition of the karst cave until the area of the formed iron sheets is larger than the size of the karst cave, rechecking, connecting two adjacent iron sheets 2 with a connecting plate 10 through a clamping plate 9, reducing the width of a gap between the iron sheets 2, so that concrete can not overflow from the front of the two iron sheets 2, putting the iron cage 1 provided with the iron sheets 2 into the hole by using a hoisting device, ensuring that the iron sheets are just opposite to the karst cave when putting the iron cage 1 into the hole, completely blocking the karst cave by the iron sheets, selecting cement with high viscosity and gravels to be put into a stirring device for stirring and mixing to prepare concrete for grouting, then pouring the concrete into the iron cage 1 through a grouting device until the iron cage 1 is full, vibrating the poured concrete by matching with a vibrating device when pouring the concrete so as to ensure the pouring effect of the concrete, make whole filling more firm, can effectually carry out the shutoff to the solution cavity in the hole, can be more quick handle the solution cavity situation, and construction cycle is short, and strong adaptability does benefit to the popularization.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a device of stake basis solution cavity is dug soon in rapid processing, includes iron cage (1) and curved iron skin board (2) of cylindricality, its characterized in that: iron skin board (2) and iron cage (1) joint, iron cage (1) comprises many reinforcing bars (3) and annular connecting piece (4), and many reinforcing bars (3) are evenly respectively on connecting piece (4), just, reinforcing bar (3) and connecting piece (4) fixed connection, the inserted bar (5) of bottom fixedly connected with and connecting piece (4) grafting of iron skin board (2), the internal thread of connecting piece (4) is connected with fixing bolt (6) that correspond with inserted bar (5).
2. The device for rapidly processing the rotary excavating pile foundation karst cave according to claim 1, characterized in that the bottom of the iron sheet plate (2) is rotatably connected with two rotating shafts (7), the outside of the rotating shafts (7) is rotatably connected with a supporting rod (8), and the bottom of the supporting rod (8) is welded with the connecting piece (4).
3. The device for rapidly processing the rotary excavating pile foundation karst cave according to claim 1, characterized in that a clamping plate (9) is installed above the left side surface of the iron sheet plate (2), and a connecting plate (10) corresponding to the clamping plate (9) is fixedly connected to the right side wall of the iron sheet plate (2).
4. The device for rapidly processing the rotary excavation pile foundation karst cave according to claim 1, wherein the thickness of the iron sheet plate (2) is not less than 2mm, and the bending radian of the iron sheet plate (2) is consistent with that of the outer wall of the iron cage (1).
5. The device for rapidly processing the rotary excavation pile foundation karst cave according to claim 2, wherein the distance between two adjacent reinforcing steel bars (3) is 200mm, and the reinforcing steel bars (3) and the supporting rods (8) are distributed in a staggered mode.
6. The device for rapidly processing the rotary excavating pile foundation karst cave according to claim 1, wherein the corresponding positions of the iron sheet plate (2) and the reinforcing steel bar (3) are fixed through reinforcing bolts, and gaskets are sleeved on the reinforcing bolts.
7. The use method of the device for rapidly processing the rotary excavating pile foundation karst cave is characterized by comprising the following steps:
determining the position of the karst cave: the position of the karst cave in the hole can be shot by the lighting equipment in cooperation with the camera equipment, the shape and the size of the karst cave can be calculated by the shot image information of the karst cave, and then the height of the hole and the height of the karst cave can be measured by the depth measuring equipment so as to facilitate subsequent construction;
b, preparation work: b, preparing a corresponding iron cage (1) according to the shape, size and height of the karst cave measured in the step A, then installing an iron sheet plate (2) according to the information of the karst cave, inserting an inserting rod (5) on the iron sheet plate (2) into the connecting piece (4), screwing in a fixing bolt (6) to conveniently connect the iron sheet plate (2) with the connecting piece (4), then correspondingly screwing in a reinforcing bolt, and finally welding a supporting rod (8) with the connecting piece (4), so that the connection stability of the iron sheet plate (2) and the connecting piece (4) can be improved;
c, adjustment work: the number of the iron sheet plates (2) is adjusted according to the condition of the karst cave until the area of the formed iron sheet is larger than the size of the karst cave, and the iron sheet plates are rechecked, and two adjacent iron sheet plates (2) are connected with a connecting plate (10) through a clamping plate (9), so that the width of a gap between the iron sheet plates (2) is reduced, and concrete cannot overflow from the front of the two iron sheet plates (2);
d, starting construction: the iron cage (1) provided with the iron sheet plate (2) is placed into the hole by using hoisting equipment, and when the iron cage (1) is placed, the iron sheet is ensured to be over against the position of the karst cave, so that the karst cave is completely blocked by the iron sheet, and the subsequent construction is convenient to carry out;
e, grouting: select the great cement of viscidity and add the grit and drop into and stir in the agitating unit and mix, make the concrete that grout was used, then pour the concrete into iron cage (1) through grouting equipment in, fill up iron cage (1), should cooperate the equipment of vibrating to vibrate the concrete after pouring when pouring the concrete to guarantee the filling effect of concrete, make whole pouring member more firm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287377.9A CN111042176A (en) | 2019-12-14 | 2019-12-14 | Device for rapidly processing rotary excavation pile foundation karst cave and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911287377.9A CN111042176A (en) | 2019-12-14 | 2019-12-14 | Device for rapidly processing rotary excavation pile foundation karst cave and using method thereof |
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| CN111042176A true CN111042176A (en) | 2020-04-21 |
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| CN201911287377.9A Pending CN111042176A (en) | 2019-12-14 | 2019-12-14 | Device for rapidly processing rotary excavation pile foundation karst cave and using method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122632A (en) * | 2013-02-06 | 2013-05-29 | 中冶沈勘工程技术有限公司 | Construction method for drilling hole and casting pile in plastic flow stratum or karst cave stratum |
| CN204024573U (en) * | 2014-07-30 | 2014-12-17 | 中国十七冶集团有限公司 | Castinplace pile underground karst cavity plugging device |
| CN107246006A (en) * | 2017-06-29 | 2017-10-13 | 深圳市蛇口招商港湾工程有限公司 | Concrete-pile reinforcement cage structure and pile-filling method |
| CN108360505A (en) * | 2018-02-11 | 2018-08-03 | 湖北工业大学 | A kind of filling pile structure and its construction method passing through solution cavity |
| CN109629562A (en) * | 2019-01-10 | 2019-04-16 | 湖北工业大学 | A kind of cast-in-place pile construction method passing through solution cavity |
-
2019
- 2019-12-14 CN CN201911287377.9A patent/CN111042176A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122632A (en) * | 2013-02-06 | 2013-05-29 | 中冶沈勘工程技术有限公司 | Construction method for drilling hole and casting pile in plastic flow stratum or karst cave stratum |
| CN204024573U (en) * | 2014-07-30 | 2014-12-17 | 中国十七冶集团有限公司 | Castinplace pile underground karst cavity plugging device |
| CN107246006A (en) * | 2017-06-29 | 2017-10-13 | 深圳市蛇口招商港湾工程有限公司 | Concrete-pile reinforcement cage structure and pile-filling method |
| CN108360505A (en) * | 2018-02-11 | 2018-08-03 | 湖北工业大学 | A kind of filling pile structure and its construction method passing through solution cavity |
| CN109629562A (en) * | 2019-01-10 | 2019-04-16 | 湖北工业大学 | A kind of cast-in-place pile construction method passing through solution cavity |
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Application publication date: 20200421 |
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