CN104975611B - The heavy of the well-points dewatering pipe of liquid soil layer sets device and heavy equipment, method - Google Patents
The heavy of the well-points dewatering pipe of liquid soil layer sets device and heavy equipment, method Download PDFInfo
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- CN104975611B CN104975611B CN201510421516.8A CN201510421516A CN104975611B CN 104975611 B CN104975611 B CN 104975611B CN 201510421516 A CN201510421516 A CN 201510421516A CN 104975611 B CN104975611 B CN 104975611B
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Abstract
The heavy of well-points dewatering pipe that the present invention relates to a kind of liquid soil layer sets device and heavy equipment, method.Described heavy set device and include hole punched device and pipe burying device；Described hole punched device is terminated with rushing rifle head before rushing rifle, is terminated with the water band for connecting high-pressure hydraulic pump, is cased with casing pipe in the outside rushing rifle after rushing rifle；Described pipe burying device includes push rod and push pedal；Described push rod is to be terminated with handle in the one of connecting rod, is socketed with push rod end socket in connecting rod；Described push pedal is the termination push pedal head at connecting rod, and in another termination push handle of connecting rod, push pedal head is the semicircular plate-form structure with arc groove, to be compacted the filtrate inserted in wellhole.Present configuration is simple, easy to operate and practical, can pass through hole punched device, push pedal and push away supporting the use of rifle, be effectively prevented the problem that wellbore wall causes wellhole to deform because of the nerve of sandstone, the present invention can be effectively improved well-points dewatering pipe and sink the work efficiency set.
Description
Technical field
The present invention relates to the constructing device of a kind of well-points dewatering pipe, the heavy of the well-points dewatering pipe of a kind of liquid soil layer sets device and heavy equipment, method.
Background technology
According to Practical Project construction needs and the growing tension of construction land, Engineering Construction Land-Occupation selected areas moves closer to riverine, coastal and beach region, and this type of region mostly is the liquid such as rock or mudflat sludge soil layer under sand.When this type of region carries out deep foundation pit construction, firstly the need of carrying out excavation of foundation pit, then need during excavation of foundation pit to take the measures such as precipitation, in order to the moisture in drainage base soil, soil solidifying can be promoted, improve foundation strength, slope body lateral displacement and sedimentation, stable side slope can be reduced simultaneously, eliminate quicksand, reduce the protuberance of substrate soil, it is provided that relatively dry execution conditions, it is also possible to reduction of erection time, raising construction quality and guarantee construction safety.
Taking dewatering measure when excavation of foundation pit is to make liquid soil layer reach the effect of discharging consolidation, therefore needs the heavy well-points dewatering pipe that sets to carry out soil body drainage and subsoil water interception.In prior art, heavy the setting of well-points dewatering pipe is divided into punching and two processes of pipe laying, washing pipe is first placed in during punching position, well point, then starts high-pressure hydraulic pump, by soil punching pine, during punching, washing pipe is inserted perpendicularly in soil, then does and rotate up and down, it is heavy to wash down, thus gradually forms hole in soil.After wellhole is formed, extract washing pipe immediately, insert well-points dewatering pipe, and between well-point pipe and hole wall, fill out filling sand filter blanket in time, to prevent hole wall from collapsing soil.But wellbore wall can shrink rapidly reinstatement after wellhole molding under the conditions of the liquid such as rock or mudflat sludge soil layer under upper sand, cause well-points dewatering pipe to sink and set.
Summary of the invention
An object of the present invention is just to provide the heavy of well-points dewatering pipe of a kind of liquid soil layer and sets device, can shrink rapidly the well-points dewatering pipe restored to the original state and cause and cannot sink the problem set solving in prior art under the conditions of liquid soil layer wellbore wall after wellhole molding.
The two of the purpose of the present invention are just to provide the heavy equipment, method of the well-points dewatering pipe of a kind of liquid soil layer, the inefficient problem set to solve well-points dewatering pipe to sink.
An object of the present invention is achieved in that the heavy of well-points dewatering pipe of a kind of liquid soil layer sets device, including for going out wellhole in liquid soil layer to place the hole punched device of well-points dewatering pipe and for burying the pipe burying device of well-points dewatering pipe underground；The structure of described hole punched device is, it is terminated with rushing rifle head before rushing rifle, being terminated with the water band for connecting high-pressure hydraulic pump after rushing rifle, be cased with casing pipe in the described outside rushing rifle, described casing pipe is used for preventing from burying wellhole because liquid soil layer shrinks after wellhole molding；
Described pipe burying device includes push rod and push pedal；
The structure of described push rod is, is terminated with handle in the one of connecting rod, is socketed with push rod end socket in connecting rod；The mouth of pipe of the well-points dewatering pipe that described push rod end socket is placed in wellhole for closure, applies external force, to ensure that well-points dewatering pipe is vertical with liquid soil layer basal plane on the handle of described connecting rod end simultaneously.
The structure of described push pedal is, at a termination push pedal head of connecting rod, in another termination push handle of connecting rod, described push pedal head is the semicircular plate-form structure with arc groove；The arc groove of described push pedal head is connected to the outer wall of well-points dewatering pipe in wellhole, to be compacted the filtrate inserted in wellhole.
The described front end rushing rifle head is taper.
Angular cut is had on the top of described casing pipe.
The present invention sinks the structure of the hole punched device set in device and is, it is terminated with rushing rifle head before rushing rifle, the water band for connecting high-pressure hydraulic pump it is terminated with after rushing rifle, the impulsive force utilizing cycle of higher pressure water is punched out operation, cycle of higher pressure water produces powerful impulsive force at high-pressure hydraulic pump under the common effect rushing rifle, can quickly punching, and the process of clear hole can be carried out after punching, rushing rifle head uses taper to rush rifle head, rush the resistance suffered by rifle rushing to reduce during rifle gos deep into punching, operation can be punched out under multiple geological conditions.The outside rushing rifle is cased with casing pipe, can protect and rush rifle and do not worn and torn by outside silt during rushing rifle punching；Only need to take out after wellhole molding and rush rifle, casing pipe is retained in wellhole, directly can will be inserted between well-points dewatering pipe in casing pipe, after wellhole molding can be prevented, because of silt, there is the problem that stronger retraction ability causes wellhole to deform, make well-points dewatering pipe heavy set more quick.Push rod is socketed with in connecting rod push rod end socket, push rod end socket the effect mainly having two aspects is set, push rod end socket is blocked at the mouth of pipe of well-points dewatering pipe when being to use by one, causes the phenomenon of well-points dewatering blockage being possible to prevent filtrate to be scattering in time pouring filtrate between well-points dewatering pipe outer wall and casing inside pipe wall in well-points dewatering pipe；Two are, can be controlled the movement of well-points dewatering pipe by the handle of push rod, thus adjust the perpendicularity of well-points dewatering pipe in time during pouring filtrate into.
The present invention sinks and sets the simple in construction of device, easy to operate and practical, hole punched device, push pedal can be passed through and push away supporting the use of rifle, make during inserting well-points dewatering pipe after wellhole molding, in the well-points dewatering pipe the most heavy casing pipe being set in wellhole, to be effectively prevented the problem that wellbore wall causes wellhole to deform because of the nerve of sandstone.The present invention can be effectively improved well-points dewatering pipe and sink the efficiency set, it is possible to be suitable for heavy soil layers setting peupendicular hole point dewatering pipe or horizontal well point dewatering pipe be applicable to other.
The two of the purpose of the present invention are achieved in that the heavy equipment, method of the well-points dewatering pipe of a kind of liquid soil layer, comprise the following steps:
A, make according to the dimensions treating the heavy well-points dewatering pipe set match casing pipe, rush rifle, push rod and push pedal；
B, according to well-points dewatering site plan and field condition, determine that well-points dewatering pipe is heavy and set position；
C, heavy to well-points dewatering pipe sets place's punching clear hole, described casing pipe is retained: rush the rifle inside through described casing pipe by described after wellhole molding, the rifle head end close to described casing pipe is rushed until described, the described rifle that rushes is received on high-pressure hydraulic pump by described water band, start high-pressure hydraulic pump, the described rifle that rushes is perpendicularly inserted at the furnishings of described well-points dewatering pipe, described punching drives described casing pipe to insert to wellhole depths while rifle utilizes cycle of higher pressure water drilling wellhole, until the degree of depth of institute's well bore reaches to preset wellbore depth, the process of clear hole is carried out after wellhole molding, extract after being disposed and described rush rifle, described casing pipe is retained in the heavy of well-points dewatering pipe and sets place；
D, described well-points dewatering pipe is put into described in protect barrel inner, and it is inserted into described well-points dewatering pipe predetermined depth, withstand the opening part on described well-points dewatering pipe top with described push rod end socket, then filtrate is poured in the space between described casing pipe and described well-points dewatering pipe into；
After e, filtrate are poured into, extract casing pipe, use the described push pedal head in described push pedal that filtrate is advanced to wellhole depths and tamped；
After f, filtrate are filled in, use clay will to seal between top outer wall and the wellbore wall of well-points dewatering pipe.
It is to put into well-points dewatering pipe to protect barrel inner that the present invention sinks equipment, method, and it is inserted into institute's well-point pipe predetermined depth, the opening part on well-points dewatering pipe top is withstood with push rod end socket, then filtrate is poured in the space between casing pipe and well-points dewatering pipe into, it is possible to prevent during pouring filtrate into filtrate imprudence to drop into the inside of well-points dewatering pipe from the entrance of well-points dewatering pipe, thus the accidents such as the water table rising, the earthwork slope collapse that cause because of the blocking of well-points dewatering pipe can be avoided to greatest extent.After filtrate is poured into, using the push pedal head in described push pedal that filtrate is advanced to wellhole depths and tamped, can effectively ensure that filtrate fills out filling quality, prevents hole wall from collapsing soil.
Accompanying drawing explanation
Fig. 1 is the structural representation of hole punched device of the present invention.
Fig. 2 is the structural representation of push rod.
Fig. 3 is the structural representation of push pedal.
Fig. 4 is the structural representation of push pedal head.
Fig. 5 is the scheme of installation of well-points dewatering pipe.
Fig. 6 is that schematic diagram is filled out in filtrate filling.
Fig. 7 is that well-points dewatering pipe sinks the view after setting.
In figure: 1-1, water band, 1-2, rush rifle, 1-3, rush rifle head, 1-4, casing pipe, 2, push rod, 2-1, connecting rod, 2-2, push rod end socket, 2-3, handle, 3, push pedal, 3-1, connecting rod, 3-2, push pedal head, 3-3, push handle, 4, base soil, 5, well-points dewatering pipe, 6, filtrate, 7, clay, 8, wellhole.
Detailed description of the invention
Embodiment 1: the heavy of well-points dewatering pipe of liquid soil layer sets device.
As shown in figures 1 to 6, the present invention is heavy sets device and includes hole punched device and pipe burying device.Hole punched device and pipe burying device all with the supporting the use of well-points dewatering pipe 5, its size all dimensions with well-points dewatering pipe 5 match.Hole punched device includes rushing rifle 1-2, rushes the rear end of rifle 1-2 and connects and have water band 1-1, the other end of water band 1-1 to be connected with high-pressure hydraulic pump, rushes the front end of rifle 1-2 and is provided with and rushes rifle head 1-3, and the front end rushing rifle head 1-3 is taper, conveniently rushes rifle 1-2 insertion in wellhole 8.The outside rushing rifle 1-2 is cased with casing pipe 1-4.Casing pipe 1-4 has angular cut near the one end on base soil 4 surfaces, conveniently rushes penetrating of rifle 1-2.Rushing rifle 1-2 uses sleeve-type high-voltage water to rush rifle.The internal diameter of casing pipe 1-4 is more than the external diameter rushing rifle head 1-3 gun body, and the external diameter of casing pipe 1-4 is slightly less than the internal diameter of pre-designed wellhole 8.
As shown in Figure 2 and Figure 5, push rod 2 includes connecting rod 2-1, one end of connecting rod 2-1 is provided with handle 2-3, and connecting rod 2-1 is socketed with push rod end socket 2-2.In the present embodiment, connecting rod 2-1 is set to rhabodoid, and the diameter of connecting rod 2-1 is less than the internal diameter of well-points dewatering pipe 5.Handle 2-3 is arranged on the top of connecting rod 2-1 one end, and handle 2-3 uses rod type handle, facilitates staff that push rod 2 carries out push-and-pull operation, can effectively save space simultaneously.Push rod end socket 2-2 is socketed in connecting rod 2-1, between the free end and handle 2-3 of connecting rod 2-1, push rod end socket 2-2 is circular flat away from the end face of one end of handle 2-3, i.e. push rod end socket 2-2 is circular flat with the contact surface of well-points dewatering tube inlet end, and the external diameter of circular flat is equal to or slightly greater than the external diameter of well-points dewatering pipe 5.
As shown in Fig. 3, Fig. 4, Fig. 6 and Fig. 7, push pedal 3 includes connecting rod 3-1, push pedal head 3-2 and push handle 3-3, and push handle 3-3 is arranged on one end of connecting rod 3-1, and push pedal head 3-2 is arranged on the other end of connecting rod 3-1, and push pedal head 3-2 has arc groove.In the present embodiment, push handle 3-3 uses grasping type handle, and push handle 3-3 is arranged on one end of connecting rod 3-1, and push pedal head 3-2 is welded on the end of the connecting rod 3-1 other end.Push pedal head 3-2 is semicircular plate-form structure, the arc groove of semicircle shape is had on push pedal head 3-2, in push pedal head 3-2, the internal diameter of arc groove is equal to or slightly greater than the external diameter of well-points dewatering pipe 5, well-points dewatering pipe 5 can be engaged by arc groove, push pedal head 3-2 can be made to slide along well-points dewatering pipe 5, in order to the filtrate inserted in wellhole is compacted.The outer of push pedal head is semicircle, and semicircular diameter is equal to or slightly less than the internal diameter of casing pipe 1-4.
Embodiment 2: the heavy equipment, method of the well-points dewatering pipe of liquid soil layer.
What this heavy equipment, method was used heavy sets device as described in Example 1, comprises the concrete steps that:
(1) as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 7, make according to the dimensions treating the heavy well-points dewatering pipe 5 set match casing pipe 1-4, rush rifle 1-2, push rod 2 and push pedal 3.Its dimensional fits has carried out brief description in embodiment 1, it may be assumed that the internal diameter of casing pipe 1-4 is more than the external diameter rushing rifle head 1-3 gun body, and the external diameter of casing pipe 1-4 is equal to the internal diameter of pre-designed wellhole 8；The diameter of connecting rod 2-1 is less than the internal diameter of well-points dewatering pipe 5；Push rod end socket 2-2 is circular flat with the contact surface of well-points dewatering tube inlet end, and the external diameter of circular flat is equal to or slightly greater than the external diameter of well-points dewatering pipe 5；In push pedal head 3-2, the internal diameter of arc groove is equal to or slightly greater than the external diameter of well-points dewatering pipe 5；In push pedal head 3-2, the outer away from the planar end of push handle 3-3 one end is arc, and the diameter of arc is equal to or slightly less than the internal diameter of casing pipe 1-4.
(2) as it is shown in figure 1, according to well-points dewatering site plan and field condition, determine that the heavy of well-points dewatering pipe sets position.Determine after well-points dewatering pipe heavy set position, the surface layer of base soil 4 at place, the place of setting will be sunk at well-points dewatering pipe and dig the groove of certain depth, conveniently rush the insertion of rifle 1-2.
null(3) as shown in Figure 1 and Figure 7，Heavy to well-points dewatering pipe 5 sets place's punching clear hole，Casing pipe 1-4 is retained: first rifle 1-2 is rushed in the indentation, there guiding rushing rifle head alignment casing pipe 1-4 rushing rifle 1-2 and penetrate into the inside of casing pipe 1-4 after wellhole 8 molding，Until rushing the rifle head 1-3 end close to casing pipe 1-4，Received rushing rifle 1-2 on high-pressure hydraulic pump by water band 1-1，Start high-pressure hydraulic pump，The top layer of base soil 4 that will rush rifle 1-2 and be perpendicularly inserted at the furnishings of well-points dewatering pipe 5，Casing pipe 1-4 is driven also to insert to wellhole 8 depths while rushing the cycle of higher pressure water drilling wellhole 8 that rifle 1-2 utilizes high-pressure hydraulic pump to provide，Until the degree of depth of institute's well bore 8 reaches to preset wellhole 8 degree of depth，The process of clear hole is carried out after wellhole 8 molding，Extract after being disposed and rush rifle 1-2，Casing pipe 1-4 is retained in the heavy of well-points dewatering pipe and sets place.The clear hole carried out after wellhole 8 molding processes the silt being in the casing pipe 1-4 that will be placed in wellhole 8 and removes clean, it is easy to the accessible inside penetrating into casing pipe 1-4 of later well-points dewatering pipe 5, also can be effectively prevented from staying the silt within casing pipe 1-4 when late well point dewatering pipe draws water and be drawn into the inside of well-points dewatering pipe 5, cause the blocking of well-points dewatering pipe 5.
(4) as shown in Figure 5, well-points dewatering pipe 5 is put into inside casing pipe 1-4, well-points dewatering pipe 5 is placed into the center of casing pipe 1-4, and it is inserted into well-points dewatering pipe 5 predetermined depth, withstand the opening part on well-points dewatering pipe 5 top with push rod end socket 2-2, then filtrate 6 is poured in the space between casing pipe 1-4 and well-points dewatering pipe 5 into.Withstand at the top end opening of well-points dewatering pipe 5 with push rod 2 while toppling over filtrate 6 always, keep well-points dewatering pipe 5 perpendicularity, i.e. utilize push rod 2 withstand well-points dewatering pipe 5 make well-points dewatering pipe 5 be always maintained at base soil 4 top layers vertical.
(5) as shown in Figure 6 and Figure 7, after pre-set filtrate 6 is poured into, extract casing pipe 1-4, use the push pedal head 3-2 in push pedal 3 that filtrate 6 is advanced to wellhole 8 depths and tamped.Coordinate with well-points dewatering pipe 5 with the arc groove card on push pedal head 3-2, make push pedal head 3-2 along well-points dewatering pipe 5 to the basal sliding of casing pipe 1-4, until filtrate 6 is compacted.Filtrate 6 in the present invention uses coarse grained yellow ground, it is ensured that the breathability of drainage layer in wellhole 8.While extracting casing pipe 1-4, push rod 2 to be used is to keep the position of well-points dewatering pipe.
(6) as it is shown in fig. 7, after filtrate 6 fills in, use clay 7 will to seal between top and wellhole 8 hole wall of well-points dewatering pipe 5.
The present invention is applicable under upper sand the heavy of well-points dewatering pipe under the conditions of the liquid such as rock or mudflat sludge soil layer and sets.
Claims (4)
1. the heavy of well-points dewatering pipe of liquid soil layer sets a device, including for going out wellhole in liquid soil layer to place the hole punched device of well-points dewatering pipe and for burying the pipe burying device of well-points dewatering pipe underground；It is characterized in that,
The structure of described hole punched device is, it is terminated with rushing rifle head before rushing rifle, being terminated with the water band for connecting high-pressure hydraulic pump after rushing rifle, be cased with casing pipe in the described outside rushing rifle, described casing pipe is used for preventing from burying wellhole because liquid soil layer shrinks after wellhole molding；
Described pipe burying device includes push rod and push pedal；
The structure of described push pedal is, at a termination push pedal head of connecting rod, in another termination push handle of connecting rod, described push pedal head is the semicircular plate-form structure with arc groove；The arc groove of described push pedal head is connected to the outer wall of well-points dewatering pipe in wellhole, to be compacted the filtrate inserted in wellhole；
The structure of described push rod is, is terminated with handle in the one of connecting rod, is socketed with push rod end socket in connecting rod；The mouth of pipe of the well-points dewatering pipe that described push rod end socket is placed in wellhole for closure, applies external force, to ensure that well-points dewatering pipe is vertical with liquid soil layer basal plane on the handle of described connecting rod end simultaneously；Push rod end socket is circular flat away from the end face of one end of handle, and the external diameter of circular flat is equal to or slightly greater than the external diameter of well-points dewatering pipe.
The heavy of well-points dewatering pipe of liquid soil layer the most according to claim 1 sets device, it is characterized in that, the described front end rushing rifle head is taper.
The heavy of well-points dewatering pipe of liquid soil layer the most according to claim 1 sets device, it is characterized in that, has angular cut on the top of described casing pipe.
4. a heavy equipment, method for the well-points dewatering pipe of liquid soil layer, is characterized in that, comprise the following steps:
A, make according to the dimensions treating the heavy well-points dewatering pipe set match casing pipe, rush rifle, push rod and push pedal:
Being terminated with rushing rifle head before rushing rifle, be terminated with the water band for connecting high-pressure hydraulic pump after rushing rifle, be cased with casing pipe in the described outside rushing rifle, described casing pipe is used for preventing from burying wellhole because liquid soil layer shrinks after wellhole molding；
The structure of push rod is, is terminated with handle in the one of connecting rod, is socketed with push rod end socket in connecting rod；The mouth of pipe of the well-points dewatering pipe that described push rod end socket is placed in wellhole for closure, applies external force, to ensure that well-points dewatering pipe is vertical with liquid soil layer basal plane on the handle of described connecting rod end simultaneously；
The structure of described push pedal is, at a termination push pedal head of connecting rod, in another termination push handle of connecting rod, described push pedal head is the semicircular plate-form structure with arc groove；The arc groove of described push pedal head is connected to the outer wall of well-points dewatering pipe in wellhole, to be compacted the filtrate inserted in wellhole；
B, according to well-points dewatering site plan and field condition, determine that well-points dewatering pipe is heavy and set position；
C, heavy to well-points dewatering pipe sets place's punching clear hole, described casing pipe is retained: rush the rifle inside through described casing pipe by described after wellhole molding, the rifle head end close to described casing pipe is rushed until described, the described rifle that rushes is received on high-pressure hydraulic pump by described water band, start high-pressure hydraulic pump, the described rifle that rushes is perpendicularly inserted at the furnishings of described well-points dewatering pipe, described punching drives described casing pipe to insert to wellhole depths while rifle utilizes cycle of higher pressure water drilling wellhole, until the degree of depth of institute's well bore reaches to preset wellbore depth, the process of clear hole is carried out after wellhole molding, extract after being disposed and described rush rifle, described casing pipe is retained in the heavy of well-points dewatering pipe and sets place；
D, described well-points dewatering pipe is put into described in protect barrel inner, and it is inserted into described well-points dewatering pipe predetermined depth, withstand the opening part on described well-points dewatering pipe top with described push rod end socket, then filtrate is poured in the space between described casing pipe and described well-points dewatering pipe into；
After e, filtrate are poured into, extract casing pipe, use the described push pedal head in described push pedal that filtrate is advanced to wellhole depths and tamped；
After f, filtrate are filled in, use clay will to seal between top outer wall and the wellbore wall of well-points dewatering pipe.
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| CN105544573B (en) * | 2015-12-29 | 2017-05-10 | 中国水利水电第十三工程局有限公司 | Water pressure jetting type well completion construction method of dewatering tube well |
| CN106759409B (en) * | 2016-11-07 | 2019-02-26 | 中铁三局集团广东建设工程有限公司 | A kind of water-rich sand layer regional precipitation well construction method |
| CN108906865A (en) * | 2018-06-19 | 2018-11-30 | 绍兴市上虞众联环保有限公司 | A kind of method of soil remediation |
| CN109577458A (en) * | 2018-12-27 | 2019-04-05 | 中国电建集团成都勘测设计研究院有限公司 | The method for embedding of pipeline aerial crossing sandy soils stream section |
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| JP2001214452A (en) * | 2000-02-02 | 2001-08-07 | East Japan Railway Co | Ground-water level lowering method |
| CN203855976U (en) * | 2014-03-24 | 2014-10-01 | 中国核工业华兴建设有限公司 | Dredging device for dewatering well |
| CN103883796B (en) * | 2014-04-07 | 2015-12-02 | 葛洲坝集团第一工程有限公司 | Silt particle mud district hand pick formula jacking construction device and method |
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