78results about How to "Consolidation fast" patented technology

The invention relates to a high-performance sand-soil consolidation material, as well as a preparation method and a using method thereof. The high-performance sand-soil consolidation material belongs to a mortar composition and is characterized by comprising the following raw materials in parts by weight: 5-40 parts of cement clinker, 3-6 parts of gypsum, 4-10 parts of alkali additive, 0.5-6 parts of compound activating agent, 1-4 parts of early strength agent, 2-10 parts of mineral activating agent, 3-8 parts of expansion agent and 22-77 parts of micro-powder formed by fine grinding of blast furnace water-quenched slag. The invention provides the high-performance sand-soil consolidation material which has the advantages of simple operation, convenient construction, good water resistance, fast consolidation, high early strength, stable improvement of post-strength, resistance to erosion of underground inorganic salt water, excellent anti-seepage performance and low production cost, as well as the preparation method and the using method thereof. The high-performance sand-soil consolidation material is suitable for consolidating mine tailings, natural weathered sand, fly ash, gravel, stone chips, stone powder, soil, sludge, construction waste, coal gangue and phosphorus slag into a solid material, and can be used for laying a subgrade, constructing a wall body and constructing a site foundation.

A method for reinforcement of yielding soil of large area or hollow land includes the following procedures in order: 1. low position vacuum pre-press procedure as building cofferdam, filling in sludge to certain height, paving cloth and bamboo fence on the top, vertically inserting in water emission plastic boards, laying horizontal vacuum pipe net, installing vacuum pre-press system and sealing with mud layer of 0.8-1.5 m thick then vacuum bumping for pre-press; 2. high vacuum rate well point water reduction procedure as applying a high vacuum rate well point water reduction system on the mud sealing layer, removing well point pipe after the first round of water reduction; 3. low power strong tamping procedure as paving a layer of filling material on the mud sealing layer then tamping. Roller compact the surface after 2-3 rounds of procedure 2 and 3.

The invention provides a method for de-silting a lake and constructing a lake center island and belongs to a construction technology. The method comprises the following steps of: de-silting and dredging, transporting sludge, carrying out storage yard treatment, curing the sludge, discharging tail water and constructing the lake center island while de-silting. The method disclosed by the invention solves the problem that old problems of de-silted lake water happen again. The engineering cost is reduced, the work period is shortened and the secondary pollution is managed. The method has the characteristics of smaller occupied space, no transferring of pollutants, investment saving and good benefits. According to the method disclosed by the invention, the swampiness problem is solved, the water storage amount is increased, a land resource is increased, a wetland park is established and the pollution recycling is realized. The method is a practical and feasible good method for managing and beautifying the lake.

The invention discloses a rigid drainage pile and a construction method thereof. A precast watertight concrete tube and a precast water permeating concrete tube are respectively provided with a vertical first through hole and a vertical second through hole, wherein the first through hole and the second through hole are hermetically communicated; and the second through holes on adjacent precast water permeating concrete tubes are hermetically communicated with each other. As the second through holes on the water permeating concrete tube can filter underground water, form a vertical draining channel for pore water in a soil layer, can quickly scatter pressure of the pore water rapidly increased in the soil layer to lead the ground to be hard to be upheaved; the rigid drainage pile forms negative pressure through a vacuum pump and a suction pipe to pump underground water and generate vacuum, can quickly and forcibly reduce water content of the soft soil layer among piles and form effective stress in the stratum so as to form prepressing on the foundation and improve the strength of foundation soil; when the water content of the soil layer is reduced to be suitable for tamping, a pounder is used for tamping the ground surface to ensure that the soil layer of the foundation can be quickly consolidated, and the strength is quickly improved. The consolidated composite foundation has higher bearing capacity, but the cost for treating the foundation is lower.

The present invention relates to a drainage method of foundation pile, in particular, it relates to a positive and negative pressure quick drainage method of rigid body drainage pile. The invented principle is characterized by that when the positive pressure drainage efficiency is reduced, the negative pressure (namely evacuation) can be applied to the drainage channel in the pile interior, and can utilize water-filtering layer to increase hydraulic gradient of soil layer water penetration so as to accelerate water penetration and drainage.

The invention discloses a method for processing ultra-soft soil through combining shallow-surface-layer intermittent strong water-pumping/draining with short-term air-curing. The method comprises the following steps of: arranging horizontal water-pumping/draining pipe networks in a shallow-surface layer of an ultra-soft soil body, arranging water-draining pipe trenches in the surface layer and connecting the horizontal water-pumping/draining pipe networks and the water-draining pipe trenches with water-pumping/draining equipment so as to form a three-dimensional surface-layer water-pumping/draining system for shallow-surface-layer ultra-soft soil; carrying out intermittent strong water-pumping/draining and being aided with surface-layer drainage by using the water-pumping/draining equipment; and meanwhile, combining with the short-term air-curing by using the climate characteristics of strong sunlight and strong wind of coastal areas. According to the invention, the reinforcement for the shallow-surface-layer ultra-soft soil can be effectively and rapidly achieved, thus the invention provides a reinforcement treatment method which is applied to ultra-soft foundations, the shallow-surface layer of which is made of sludge or hydraulic-filled sludge and can greatly save cost.

The invention relates to a waterpower self-excited oscillation jet flow vibratory pile sinking device and a pile sinking technology. A reinforced concrete pile body is a sheet pile, a square pile head and a hanging ring are arranged in the middle of the top of the reinforced concrete pile body, the reinforced concrete pile body is connected with a vibratory hammer part through a vibratory hammer connecting device, a jet flow pipe with a self-excited oscillation jet flow nozzle is arranged on the bottom of the sheet pile, the jet flow pipe is connected with a high pressure water pump group through a water pipe and rapid docking movable elbows, and the vibratory hammer part is connected with lifting equipment through an integrated lifting appliance. The waterpower self-excited oscillation jet flow vibratory pile sinking device and the pile sinking technology have the advantages that construction technologies of different strata can be resolved, construction efficiency can be improved greatly at the same time, construction quality is guaranteed, drawbacks and defects exist in the prior art are overcome or avoided, the problems of hard clay strata pile sinking speed and breakdown of underground obstacles are resolved, the purpose that undisturbed soil on two 2-meter-long sides of the bottom of the pile body in a pile sinking process is not damaged is achieved, the two sides of the pile body are filled with sand to enable disturbed soil on the two sides of the pile body to be replaced by silver sand, and fast consolidation is achieved.

The invention relates to a harbor construction sea reclaimed material utilizing silt, which is prepared by mixing gangue sand, the silt and cement. Water content of the silt is 60%-100%, and the weight ratio of the silt, the gangue sand and the cement is 1: 3-5: 0.04-0.06. A preparation method of the harbor construction sea reclaimed material utilizing silt is further disclosed. The material and the method achieve waste object utilization of the gangue sand and the silt. The material is high in strength, low in construction cost and capable of achieving quick solidification of silt and saving a large amount of natural resources. The material can be applied to projects such as sand quilt blowing filling, filtering guide layers, sand cushion layers and land area backfilling.

The invention discloses an anchoring slurry material of a prestressed anchoring cable. The anchoring slurry material is prepared by compounding early-strength sulphoaluminate cement, a polycarboxylatesuperplasticizer, a retarder, an air entraining agent and a thickening stabilizing agent; the materials reach the optimal composition by research, and thus the grouting slurry, which is extremely high in mobility, low in viscosity, proper in consistence, free from segregation, free from bleeding, quick to cure, and high in early strength, can be prepared; the components in percentage by mass of solid are that 98-99.7% of sulphoaluminate cement, 0.05-0.3% of water reducing agent, 0.1-0.5% of retarder, 0-0.08% of air entraining agent, and 0.04-0.20% of thickening stabilizing agent. The anchoring slurry material is high in workability, and low in workability; the problems of pipe blocking and locking of a stirring machine are decreased; proper working time is provided for construction; the slurry can smoothly flow through a 20mm fine pipeline to be poured into a hole being beyond 30m in height.

The invention discloses a negative-pressure three-dimensional flow-guiding disturbance impact solidification dredger filling method. The negative-pressure three-dimensional flow-guiding disturbance impact solidification dredger filling method mainly comprises the steps that a dredger fill area is cleaned and flattened; a ditch is horizontally formed in the dredger area or a horizontal water seepage pipe is arranged by inclining by 0.5-5 degrees, and backfilling is conducted through medium and rough sand-gravel aggregate; a dam and a drainage canal are constructed on the periphery of the dredger fill area, and a water diversion pipe and an automatic-flowing drainage pipe are pre-buried; a dredger fill pipeline is led into the dredger fill area in the dam; slurry is guided into the surface layer of the dredger fill area and underground water is guided into the drainage canal after silt deposits; a water suction pump is connected to the outer port of the drainage pipe, and then forced drainage is conducted. Meanwhile, the invention creatively provides a suspension controllable dredger fill area drainage device, a movable multifunctional integrated well tube draining and vibrating-flushing device and technologies matched with the suspension controllable dredger fill area drainage device and the movable multifunctional integrated well tube draining and vibrating-flushing device. Compared with the prior art, the reinforcing period can be shorted by about 50% and the comprehensive unit cost can be reduced by about 45% under the same condition, and the bearing capacity of a fill stratum within the overall depth range can reach 60-80 kPa after treatment.

The invention discloses a method for electro-osmosis solidification combined treatment of polluted sludge, which comprises the following steps: 1) fishing out the polluted sludge and filtering to remove water on the surface of the polluted sludge to obtain pretreated sludge; 2) filling the pretreated sludge into an electroosmosis device for electroosmosis treatment until the required water contentis reached; 3) taking out the electrode of the electroosmosis device, adding a curing agent into the treatment tank, and stirring to obtain solidified sludge. The above method is convenient to construct, and only requires a small amount of energy consumption and curing agent to achieve a good drainage consolidation effect.

The invention discloses a building material utilizing seabed sludge. The building material is formed by mixing and stirring tailing sand, sludge and a curing agent, wherein the moisture content of the sludge is 60%-100%; the weight ratio of the sludge to the tailing sand to the cement is 1:(1-3):(0.04-0.12). Stones are further added in the building material disclosed by the invention. The invention further discloses a preparation method of the building material. According to the building material utilizing seedbed sludge and the preparation method of the building material disclosed by the invention, the tailing sand can be recycled, the outlet problem of the tailing sand is solved, the environment-friendly problem is saved, the natural resources of sand-stone building materials are saved, the strength is as high as 6MPa and the manufacturing cost is low. The building material disclosed by the invention can be applied to the projects including a cement stabilization layer below a road storage yard, a vacuum preloading working cushion layer, concrete materials, land backfilling and the like.

The invention discloses a treatment structure of a high-strength water-permeable fiber concrete pipe gravel core pile soft thick soil base. The treatment structure of the soft base comprises high-strength water-permeable fiber concrete pipe piles, gravel, soft water-permeable blind pipes, water-permeable concrete pile followers, gravel cushion layers and two-way steel-plastic gratings. The high-strength water-permeable fiber concrete pipe piles are filled with the gravel, the soft water-permeable blind pipes are arranged in the high-strength water-permeable fiber concrete pipe piles, the water-permeable concrete pile followers are arranged at the upper ends of the high-strength water-permeable fiber concrete pipe piles, the gravel cushion layers are arranged above and around the water-permeable concrete pile followers, the two-way steel-plastic gratings are arranged on the middle portions and the upper portions of the gravel cushion layers, and the position on the two-way steel-plasticgrating on the uppermost layer is filled with roadbed soil and a roadbed. By means of the novel application and the novel process of a novel material, the soft soil base can be effectively treated athigh quality, the method is simple, the effect is excellent, the bearing force of the soil base is greatly improved, the construction period is greatly shortened, the engineering cost is reduced, andhigh economic benefits are increased.

The invention provides an industrially-manufactured dam component and a method for quickly building dams, and belongs to the technology of dam building. The method comprises the steps that a foundation is quickly processed by the means of a plastic water drainage plate, geofabric, a sand cushion laye, a vacuum pumping combined pre-pressing means and the like; the mode that vacuum pumping is conducted under a sealing film is used, a secondary sand cushion layer is poured on a covered thin film, and an earthwork is input on a prefabricated part; combined prepressing of the water level, sand cushion layer earthwork heaping and vacuum pumping is formed; the method that a prefabricated dam component is built on a processed embankment foundation, the prefabricated dam component and the processed embankment foundation are connected with each other to form a dam framework, and a light cushion layer is laid is used. The stress balance of the dam is adjusted, and differential settlement and landslide are avoided. The problems of foundation strength and earthwork heaping are fundamentally solved, and mechanical and mass construction is facilitated. The advantages of saving cost due to the fact that stones are replaced by earth, increasing the construction speed, being stable and reliable and the like are achieved.

The invention discloses a prepressing structure used for sea reclamation through blown filled muck. The blown filled muck is located in an original foundation and includes vertical water draining bodies arranged in the blown filled muck, a water falling pipe parallel to the vertical water draining bodies, and a bottom sand layer arranged at the bottom of the blown filled muck. The water falling pipe is of a hollow structure, an upper section of the water falling pipe is arranged to be a non-porous section, and a lower section of the water falling pipe is arranged to be a porous section. The porous section is located in the original foundation and the bottom sand layer. A water suction pump and a water pumping pipe are arranged in the water falling pipe. The water suction pump is located at the bottom of the porous section. The input end of the water pumping pipe is connected with the water suction pump, and the output end of the water pumping pipe extends to the top of the water falling pipe. A vacuum pipe layer is arranged on the tops of the vertical water draining bodies and the top of the water falling pipe in a communicating manner, and a vacuum film is arranged on the vacuum pipe layer. The vacuum pipe layer is connected with a vacuum pump. The invention further discloses a method used for sea reclamation through the blown filled muck. By means of the prepressing structure and the method, a vacuum water falling and prepressing combining effect can be achieved, a water draining effect is better, a foundation solidifying effect is better, and the bearing force is higher.

The invention discloses a damming method through seepage draining prism bodies realizing bidirectional permeation and reverse laying. The method comprises the following steps that flexible water permeable cylinders are laid into a dam along a natural slope of a dry beach; water guide pipes and joints are laid from the outside of the dam into a tailing pond along the lower portions of the longitudinal flexible water permeable cylinders to form water guide systems; seepage draining pipes are penetrated into the water permeable cylinders and are connected with the water guide systems; tailing sand is injected into the water permeable cylinders, and the longitudinal flexible water permeable cylinders form longitudinal seepage draining prism bodies; a transverse flexible water permeable cylinder is laid in parallel along a fill dam; a seepage drainage pipe is penetrated into the transverse flexible water permeable cylinder, and the outlet of the seepage drainage pipe is connected with the seepage draining pipes of the longitudinal prism bodies; tailing sand is injected into the transverse flexible water permeable cylinder, fine tailings and water in the tailing sand flow into the seepage draining pipes of the longitudinal seepage draining prism bodies through the internal seepage drainage pipe to be discharged, and the transverse flexible water permeable cylinder forms a transverseseepage drainage prism body as a tailing pond water permeable fill dam; and the space between the adjacent longitudinal prism bodies is filled with the tailing sand to form the dry beach. The method is simple in construction, good in stability, high in strength, rapid in damming and low in cost.

The invention relates to a harbor construction land reclamation material composition prepared from silt. The composition is prepared by mixing the following raw materials in weight proportion: 1 to 5of silt, 1 to 5 of tailing sand, 1 to 5 of carbon residue, 0.04 to 0.06 of cement and 0.004 to 0.006 of non-ionic surface active agent, wherein a water content of the silt is 70 to 90%, and the non-ionic surface active agent is chosen from high-carbon fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether or fatty acid polyoxyethylene ester. By means of the composition disclosed bythe invention, waste use of the tailing sand and silt is achieved. The composition disclosed by the invention has the advantages of high strength and low construction cost; furthermore, quick solidification of the silt is achieved, and a lot of natural resources are saved. The composition disclosed by the invention can be applied to projects of hydraulic reclamation of sand, a filter guiding layer, a sand cushion layer, land area backfill and the like.