16 results about "Hydraulic fill" patented technology

The application discloses a kind of mobile underwater layered hydraulic fill construction indoor simulation test method, comprising: step (1) by input module design key test parameters;Step (2) by input module setting water depth, speed and wave conditions;Step (3) by management module mixes uniform mud;Step (4) by management module starts first layer mobile hydraulic fill;Step (5) by management module completes first layer mobile hydraulic fill;Step (6) by management module repeats step (4)-(5);Step (7) by measuring system measures hydraulic fill test characteristic parameter;Step (8) clears up water tank test area silt. Various key construction parameters are adjusted, and multi-layer repeated mobile construction simulation technology is realized, which provides an effective means for in-depth study of high-precision layered hydraulic fill technology, improvement of construction efficiency and management quality.

The utility model is suitable for the technical field of hydraulic fill sand foundation vibroflotation, and provides a filler-free double-shaft multi-dimensional vibroflotation device for a hydraulic fill sand foundation, which comprises a mounting frame, the vibrating rods are symmetrically arranged on the mounting frame; the vibrating head is arranged on the vibrating rod and is used for carrying out vibroflotation operation on the hydraulic reclamation sand foundation; and the exhaust mechanism is assembled on the vibration rod and is used for exhausting during sand liquefaction. According to the filler-free double-shaft multi-dimensional vibroflotation device for the hydraulic filling sand foundation, filler-free double-station vibroflotation operation can be conducted on the hydraulic filling sand foundation, and the overall vibroflotation operation efficiency is effectively improved.

The invention discloses a coastal reclamation vacuum preloading soil PC composite pile construction method and special hole guiding equipment, and the construction method comprises the following steps: S1, carrying out survey lofting in a field after vacuum preloading treatment so as to position and mark the mounting position of each pile body in a PC composite pile; s2, a pile driver body is adopted and matched with special hole guiding equipment to conduct hole guiding in the soil body in the site, shallow obstacles in the soil body are removed, and therefore a mounting hole position is formed; s3, after the depth of the guide hole reaches the designed depth of the PC composite pile, a high-pressure medium is sprayed into the mounting hole position through special guide hole equipment so as to remove impurities at the bottom of the hole; s4, the special hole guiding equipment is lifted away from the hole opening, and a pile driver body is adopted and matched with a vibratory hammer to drive the first pile body in the PC combined pile into the mounting hole position so as to complete mounting of the first pile body; and S5, the steps S2 to S4 are repeated till installation of all the pile bodies is completed, the efficiency is high, the cost is low, obstacle clearing is thorough, the pile forming quality is good, and the high popularization value is achieved.

The invention discloses an external supporting type net-shaped drainage device and a using method thereof, and relates to the technical field of foundation treatment and consolidation. A plurality of water absorption holes are formed in the side walls of the drainage branch pipes; through holes are formed in the side wall of the drainage main pipe, a scraping structure is fixedly arranged on each through hole, the drainage branch pipes, the through holes and the scraping structures are in one-to-one correspondence, and the drainage branch pipes penetrate through the corresponding scraping structures; the scraping structure is used for scraping sludge on the outer wall of the drainage branch pipe; and the drawing and inserting mechanism is used for driving the drainage branch pipe to reciprocate relative to the scraping structure. The method comprises the steps that in the negative pressure drainage process, after every set time, the drainage branch pipes are inserted into the drainage main pipe through the drawing and inserting mechanisms, and sludge on the outer walls of the drainage branch pipes is scraped away through the scraping structures. Sludge on the outer wall of the drainage branch pipe can be scraped off, and the drainage efficiency of a dredger fill foundation is improved.

The invention belongs to the technical field of foundation construction, and particularly relates to a construction method for hydraulic reclamation of a superfine-grained soil foundation by synergistically utilizing and treating multi-element solid waste, which comprises the following steps: in an early-stage preparation stage, accurately preparing materials, mixing, adding and stirring all the materials to form a precipitation mixture, paving a foundation bottom layer on the precipitation mixture, and arranging a PVC precipitation well wrapping anti-blocking material at the same time; a water suction pump is installed in the dewatering well and used for draining water from the foundation; all the materials are mixed and added into gypsum slurry to prepare a softer first-stage consolidation material, all the materials are mixed and added into gypsum slurry to prepare a harder second-stage consolidation material, the first-stage consolidation material is laid on a foundation in a layered mode and maintained for 3 days, then the second-stage consolidation material is laid on a first-stage consolidation layer, and consolidation is completed when the pore water pressure dissipation rate is larger than or equal to 85% through maintenance; the method is high in precipitation efficiency, good in solidification effect, high in solid waste utilization rate and low in cost.

The invention provides a hydraulic reclamation foundation treatment method based on cooperation of high-energy-level dynamic compaction and concrete pipe piles, and belongs to the technical field of geotechnical engineering foundation treatment. S2, layered progressive high-energy-level dynamic compaction treatment is carried out; s3, low-disturbance dry-type pneumatic hole forming is adopted; and S4, the PRC pipe pile is hammered and implanted, and a composite foundation is formed. According to the method, the gradient stiffness dynamic compaction layer and the low-disturbance PRC pipe pile are subjected to cooperative treatment, and integrated efficient improvement of a soil shallow layer and a deep base is achieved; a dry-type pneumatic pore-forming technology is adopted, the soil disturbance rate is controlled within 5%, and the disturbance problem of a traditional pore-forming technology on a pretreated soil body is effectively solved; the mechanical property of the hammering implanting technology is matched with that of the PRC pipe pile, it is precisely guaranteed that the pile end enters a bearing stratum through penetration control, meanwhile, the pile-soil interaction is enhanced, collaborative optimization of high crack resistance, high ductility and high durability is achieved through the mixed reinforcement design of the PRC pipe pile, and the PRC pipe pile is suitable for the special environment of coastal dredger fill.

The utility model relates to a composite overflow type hydraulic reclamation drain opening structure which comprises an anti-seepage structure, an overflow structure and a supporting structure, the anti-seepage structure comprises Larsen steel sheet piles, an anti-seepage geomembrane A and a blanket, and the overflow structure comprises an overflow steel sheet, bagged gravel, an anti-seepage geomembrane B and a gravel hardcore. The supporting structure comprises homogeneous rolling soil located below the overflow structure. The overflow type drain opening structure is of a steel sheet pile and earth-rock composite structure, the safety and stability requirements are met, the hydraulic reclamation side is of a steel sheet pile geomembrane composite structure and can play a role in seepage prevention, the supporting structure is of an earth-rock structure, the hydraulic reclamation space can be enlarged, earth materials can be saved, and meanwhile the effects of inclination resistance and sliding resistance are achieved; meanwhile, according to the composite overflow type hydraulic reclamation drain opening structure provided by the utility model, the inverted U-shaped steel plate with the asymmetrical top part forms an overflow weir attached to water flow, the design is automatic flood discharge, frequent maintenance and operation are not needed, and the maintenance cost is lower.

The invention provides a dredger fill foundation reinforcement effect evaluation method and system based on monitoring data inversion, and relates to the technical field of dredger fill foundations, and the method comprises the steps: carrying out the multi-level monitoring deployment of a dredger fill foundation construction area according to a dredger fill foundation reinforcement scheme; according to the dredger fill foundation monitoring grid, construction synchronous monitoring of the dredger fill foundation construction area is executed, and multi-degree-of-freedom foundation performance parameter inversion is carried out; performing multi-index reinforcement effect evaluation on the foundation performance parameter inversion layer according to the reinforcement effect evaluation event set; performing abnormal causal tracing on the reinforcement effect evaluation characteristic layer according to reinforcement operation monitoring data; and a dredger fill foundation reinforcement scheme is fed back and adjusted according to the reinforcement effect evaluation graph model. According to the method and the device, the problem of monitoring disjunction in dredger fill foundation reinforcement effect evaluation in the prior art can be solved, data-driven real-time inversion and multi-dimensional comprehensive evaluation are realized, and the technical effect of establishing a comprehensive evaluation system is achieved.

The invention discloses port dredger fill in-situ curing agent injection and spiral drilling cooperative construction equipment, and relates to the field of building construction, the port dredger fill in-situ curing agent injection and spiral drilling cooperative construction equipment comprises a fixing support, a high-pressure rotary spraying drill rod, a stirring structure, a driving structure and a mounting structure, and the high-pressure rotary spraying drill rod is arranged on the fixing support; the stirring structure is arranged on the outer wall of the high-pressure jet grouting drill rod, and the stirring structure is used for stirring pug in a drill hole; the driving structure is arranged at the top of the high-pressure jet grouting drill rod and used for driving the stirring structure to be stored and unfolded. When a high-pressure jet grouting drill rod rotates reversely, a connecting column is driven to rotate anticlockwise in a second movable groove on the upper portion, an obliquely-arranged limiting block extrudes and pushes the connecting column, so that the connecting column downwards enters an extrusion groove, the inner wall of the extrusion groove pushes the connecting column to move downwards, and a sliding block and a movable rod are driven to move downwards; and a plurality of stirring blocks are unfolded, so that the stirring blocks can stir the crushed soil conveniently.

The present application relates to a kind of high efficient mining filling parallel hydraulic support and its mining filling method, belong to hydraulic filling support field, including tail beam, its characterized in that, rear telescopic beam is connected with tail beam in the way of relative sliding, telescopic beam jack is connected between telescopic beam and tail beam, for driving rear telescopic beam moves relative to tail beam;Upper limit position jack cylinder is fixed on rear telescopic beam, and its telescopic end is horizontally towards the upper portion of isolation baffle;Lower limit position jack one end is connected on tail beam, and the other end is connected with the lower portion of isolation baffle under working filling;Lower limit position swing jack one end is connected on tail beam, and the other end is connected on lower limit position jack cylinder, for adjusting the swing of lower limit position jack;Baffle adjustment jack is set in the rear side of lower limit position jack, and one end is connected on rear telescopic beam, and the other end is connected on isolation baffle;The present application can realize the forward movement of support without waiting for paste solidification, saves the time of moving support, improves filling efficiency.

The application discloses a kind of port hydraulic fill in situ curing agent injection and screw drilling's collaborative construction equipment, it is related to the field of construction, including fixed support, high-pressure rotary jet drill rod, stirring structure, drive structure and mounting structure, high-pressure rotary jet drill rod is set on fixed support;Stirring structure is set on the outer wall of high-pressure rotary jet drill rod, and stirring structure is used to stir mud in borehole;Drive structure is set on the top of high-pressure rotary jet drill rod, and drive structure is used to drive stirring structure to be received and be unfolded.The application when high-pressure rotary jet drill rod reversely rotates, drives connecting column to rotate counterclockwise in upper second movable groove, and limit block is obliquely arranged to extrude and push connecting column, so that connecting column enters into extrusion groove downwards, the inner wall of extrusion groove pushes connecting column to move downwards, drives sliding block and movable rod to move downwards, unfolds multiple stirring blocks, and stirring block is conveniently stirred to broken soil body.

The invention discloses a sludge blowing, filling, conveying and curing synchronous device which is characterized in that a bottom discharging opening of a curing agent storage bin is connected with the feeding end of a spiral metering conveyor, an outlet of the spiral metering conveyor is connected with a first inlet of a mixing device, and a second inlet of the mixing device is in butt joint with a slurry pipeline; the output end of the mixing device is connected with an output pipeline through a pump body and is used for discharging a mixture, and the control part is used for controlling the curing agent storage bin, the spiral metering conveyor, the mixing device and the pump body to operate so as to realize mixing and discharging of the slurry and the curing agent; the curing agent can be metered, injected and mixed in the slurry conveying process, sludge is subjected to primary curing reaction before being conveyed to a hydraulic reclamation area, the construction efficiency is improved, and the construction period is shortened.

The invention discloses a method for treating a sandwich type mudstone area through combination of sludge solidification and gravel pile hammering, and relates to the technical field of offshore dredger fill sludge foundation treatment construction. Comprising construction preparation and investigation; floating water on the surface layer of the newly-filled sludge is discharged; solidifying the sludge on the water; driving an immersed tube with a conical tip at the gravel pile position; taking out the immersed tube tip; filling in sections, and ramming and expanding the pile body; and preloading and consolidating. According to the method, in the process of newly blowing and filling high-water-content sludge, the operation space of upper construction equipment is guaranteed through the overwater sludge solidification technology, compared with a conventional mode that the operation space is formed through shallow layer vacuum preloading, the construction period can be shortened by about 50%, a through pile body is formed through gravel piles in a mudstone interlayer, the foundation strength is rapidly improved, and the construction period is shortened. And subsequently, the sludge in the interlayer is further treated through preloading drainage consolidation, the long-acting mechanism of preloading drainage consolidation treatment is guaranteed, the overall strength of the foundation is effectively improved, and differential settlement is eliminated.

The application provides a kind of soft foundation treatment artificial insertion drainage plate device for hydraulic fill, and relates to the field of hydraulic fill construction.It includes a pad and a insertion rod, the pad is provided on the soft foundation, the middle part of the pad is provided with a insertion hole, the insertion rod passes through the insertion hole and presses the drainage plate into the set soft foundation depth;The pad is provided with a support, the top of the support is provided with a rotating disc rotating around the support, the insertion rod is provided on the rotating disc, and the insertion rod and the rotating disc are connected by threads.The middle part of the rotating disc is provided with a threaded hole coaxial with the insertion hole, and the outer wall of the insertion rod is provided with an external thread, which is adaptively screwed in the threaded hole by the external thread.The application has the effect of improving the efficiency of artificial insertion of drainage plate and reducing the labor intensity of operators.

The utility model discloses a hydraulic reclamation pipe bag cofferdam structure in a strong tide area, which belongs to the technical field of cofferdams and comprises a frame, a pipe bag body is arranged in the frame, a water permeable hole is arranged at the bottom of the frame, a fixing block is fixedly connected to the lower portion of the front face of the frame, and a sleeve is arranged at the top of the fixing block. The cofferdam comprises a frame, a sleeve is arranged in the frame, a rotatable threaded rod is arranged in the sleeve, a butt joint block is fixedly connected to one side of the frame, a butt joint groove is formed in the other side of the frame, a connecting plate is arranged on the front face of the frame, and by arranging the frame and the connecting plate, when the cofferdam is used, a filled pipe bag body is placed in the frame to provide protection for the pipe bag body; stone carried by strong tide is effectively prevented from directly impacting the pipe bag body to cause cracking of the pipe bag body, leakage of internal filler and incapability of achieving a blocking effect, the service life of the pipe bag body is prolonged, in addition, the adjacent frames are fixed through the connecting plates, the stability of the frames is guaranteed, and displacement caused by the influence of the strong tide during use is prevented.

The invention relates to the technical field of civil engineering, in particular to a soft foundation reinforcement vibroflotation construction parameter determination method, which comprises the following steps of: presetting multi-dimensional parameter combinations such as vibroflotation spacing and point distribution mode, dividing equal-area test area construction, and synchronously monitoring dynamic response parameters such as soil pore water pressure and horizontal displacement; after construction, indexes such as the standard penetration stroke number and the foundation bearing capacity are detected; and carrying out parameter sensitivity analysis in combination with an extended Duck-Prager model, locking high-sensitivity parameters such as an internal friction angle, screening an optimal parameter combination through a weighted scoring method, and outputting final parameters after the optimal parameter combination is confirmed to reach the standard through engineering verification. The method gets rid of experience dependence, parameter determination is scientific and accurate, the bearing capacity of the reinforced foundation reaches 158 kPa, the standard penetration number is increased, compared with a traditional method, the construction efficiency is improved, the cost is reduced, the liquefaction risk can be effectively eliminated, and the method is suitable for complex soft foundation treatment such as hydraulic reclamation.