686results about How to "Reduce engineering costs" patented technology

The invention relates to a deep tunnel rockburst prediction method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining the engineering geological conditions of a tunnel site area, carrying out a field ground stress test, and carrying out the ground stress inversion through a multiple regression method; establishing and optimizing a tunnel numerical model in combination with the actual condition of the tunnel; based on field monitoring data, surrounding rock test data and a numerical model, a surrounding rock parameter inversion analysis data set is established, a BP neural network is optimized by adopting a particle swarm optimization algorithm to invert surrounding rock parameters, and the surrounding rock parameter inversion precision and efficiency are improved; numerical simulation and surrounding rock parameter inversion are carried out on the current construction section of the tunnel, the potential rockburst risk of the current construction section is analyzed according to the rockburst criterion, and the rockburst grade and the occurrence probability of the current construction section are judged. The method is closely combined with the actual situation of the tunnel site construction section, and the rock burst prediction accuracy is improved; on the premise that the prediction accuracy is guaranteed, a large amount of engineering cost is saved, and reference is provided for rockburst prediction and site construction.

The invention discloses a geological map-oriented breakpoint repairing and closed curve reconstruction method and system and a medium. The method comprises the following steps of: preprocessing an original geological map to obtain a grayscale image; carrying out binarization and morphological closed operation processing to obtain a grayscale image of the edge of the smooth contour curve; performing pixel skeletonization to obtain a pixel-level skeleton diagram; performing secondary edge extraction, connected domain marking and endpoint statistics on the pixel-level skeleton diagram, and screening out a non-closed curve and an endpoint set; carrying out nearest neighbor retrieval by adopting KD-Tree to obtain a candidate pairing set of each end point; performing priority pairing in combination with the spatial distance and the direction smoothness; and generating a transition line segment according to a pairing result to supplement the fracture part of the non-closed curve. According to the method, non-closed breakpoints generated by scanning or drawing errors in the geological map can be automatically restored, and a closed curve with topological integrity and a smooth boundary is generated.

The invention provides a swivel measurement and control system for a swivel bridge. The method comprises the following steps: establishing a multi-parameter monitoring model in a bridge swivel process; the multi-parameter monitoring model is a monitoring model which is based on N times of sampling and comprises p sensor parameters; establishing a control model of swivel measurement and control of the swivel bridge; for the control model, establishing an adaptive adjustment algorithm under a multi-parameter monitoring model; and performing swivel measurement and control on the swivel bridge through a self-adaptive adjustment algorithm. According to the invention, accurate monitoring and control of the bridge swivel process can be realized, the safety and accuracy of swivel operation are ensured, good adaptability and real-time performance are achieved, and the efficiency and quality of bridge swivel engineering can be effectively improved.

The invention belongs to the technical field of underground engineering construction, and provides a shield tunneling parameter optimization method and system based on historical data mining, and the technical scheme is as follows: constructing a shield tunnel geologic model based on an obtained geological survey report and advanced geological forecast data; tunneling safety grading is conducted on the shield tunneling surrounding rock based on the shield tunnel geologic model, and a dynamic geologic model is obtained; based on the dynamic geologic model, the site construction environment and related specifications, set shield construction task information is obtained; according to the dynamic geologic model and set shield construction task information, corresponding shield tunneling parameter information is determined, shield tunneling efficiency under the current shield tunneling parameters is analyzed, if the shield tunneling efficiency does not reach the set level, the shield tunneling parameters are adjusted according to the shield tunneling efficiency condition under the current shield tunneling parameters, and the shield tunneling efficiency is adjusted according to the shield tunneling efficiency condition under the current shield tunneling parameters. And guiding field construction according to the optimized shield tunneling parameters. The shield tunneling efficiency is improved, and the engineering cost is reduced.

The invention discloses a split type modularized inclined vertical rib stator base which is composed of an upper inclined vertical rib, a lower inclined vertical rib, an upper annular plate, a middle annular plate, a lower annular plate, an inter-annular rib plate, a lower annular circumferential reinforcing plate and a lower annular radial reinforcing plate, the upper inclined vertical rib and the lower inclined vertical rib are combined and fixed to form a main vertical rib structure, all layers of annular plates are welded and fixed in the circumferential direction, and the inter-annular rib plate is vertically welded. The reinforcing plate reinforces the lower annular plate. The main vertical rib structure is decomposed into the upper inclined vertical rib and the lower inclined vertical rib, so that the hoisting height of the stator is compressed, the low-rail integral hoisting of the stator frame can be realized, and the engineering cost is reduced; and the transportation requirements of high-altitude areas are met. The split mode of the main vertical rib structure can optimize the on-site installation process of the generator set, and the requirement for the structural stability of the giant water-turbine generator set is met. And the device can be modularly designed, is suitable for large and giant water-turbine generator sets with different structures and sizes, is flexible in structure, and has wide engineering application and popularization values.

The invention provides a slope stability evaluation model construction method considering vegetation influence. The method comprises the following steps: determining vegetation classification; acquiring root morphology of different types of vegetation, and calculating root tensile strength and soil shear strength increment under the action of the root according to the root morphology; obtaining growth speeds of different types of vegetation, and calculating root enhancement factors, soil reinforcement efficiency and vegetation growth cycle influence factors according to the growth speeds; and constructing a slope stability evaluation model according to the root tensile strength, the soil shear strength increment under the action of the root, the root enhancement factor, the soil reinforcement efficiency and the vegetation growth cycle influence factor. By using the model, the slope stability is evaluated by considering the vegetation influence, so that optimization of vegetation selection and configuration is facilitated, the slope protection effect is improved, and the engineering cost is reduced; quantification and refinement of slope stability evaluation can be realized, and a reliable basis is provided for engineering design and construction.

The utility model provides a pile foundation concrete pouring over-pouring height measuring device which comprises an installation frame, a winding drum mechanism arranged on the installation frame, a coil spring arranged in the winding drum mechanism, a measuring rope with one end fixed and wound on the winding drum mechanism and a fixing piece connected with a reinforcement cage. The fixed part is arranged on the mounting frame, the floating ball mechanism is movably connected to the fixed part and connected with the other end of the measuring rope, the ratchet wheel is fixedly connected to the winding drum mechanism, and the alarm mechanism is arranged on the mounting frame and used for being matched with the ratchet wheel. The pile hole concrete surface ascends to push the floating ball mechanism to ascend, and then under the action of the coil spring, the winding drum measuring rope is driven to be shortened, the winding drum mechanism and the ratchet wheel are driven to rotate, so that the alarm mechanism matched with the ratchet wheel sends out a signal to remind constructors of the concrete pouring condition, and accurate control over the over-pouring height is achieved. Tediousness and uncertainty of manual judgment are avoided, and construction efficiency and construction quality of the pile foundation are effectively improved.

The utility model discloses an assembly type installation frame of building electromechanical equipment, which comprises a supporting rod and two fixing plates, both sides of the top of the supporting rod are provided with insertion holes, both sides of the top of the supporting rod close to the insertion holes are provided with limiting mechanisms, each limiting mechanism comprises a vertical plate which is fixedly connected with the supporting rod, and the vertical plates are fixedly connected with the fixing plates. And two limiting rods penetrate through the vertical plate in a sliding mode, two round holes matched with the limiting rods are formed in the vertical plate, and the sides, close to the inserting holes, of the two limiting rods are fixedly connected with the same second oblique tooth plate. According to the utility model, greater flexibility is provided for the installation of the building electromechanical equipment, the building electromechanical equipment can be adjusted according to actual requirements so as to meet the requirements of different equipment and spaces, the space in a building can be utilized to the maximum extent, the space utilization rate is improved, and meanwhile, the installation process of the building electromechanical equipment is more efficient; and the construction period can be shortened, and the engineering cost can be reduced.

The present invention discloses a high-pressure water jet edge cutter. It comprises an edge cutter mechanical structure, an edge cutter high-pressure water jet pipeline and an edge cutter high-pressure water jet nozzle; the edge cutter high-pressure water jet pipeline is located inside the edge cutter mechanical structure; the edge cutter high-pressure water jet nozzle is embedded inside the edge cutter mechanical structure and is connected to the edge cutter high-pressure water jet pipeline. The present invention has the advantages of spraying high-pressure water to fracture rocks and can solve the problem of TBM jamming. The present invention also discloses a hydraulic-mechanical combined rock-breaking and TBM cutter disc. The present invention also discloses a hydraulic-mechanical combined rock-breaking and escape method.

The invention relates to the technical field of basalt concrete, in particular to basalt ultra-high performance concrete and a preparation method thereof, the preparation method comprises a raw material screening method and a preparation method, and the raw material screening comprises the steps of (1) selecting ultra-high performance concrete water, (2) selecting a cementing material, (3) selecting aggregate and (4) selecting fiber. The preparation method comprises the following steps: (1) the use amount of water should meet the design specification of the ultra-high performance concrete, and the water-binder ratio should be controlled within 0.25; and (2) according to the particle sizes of the cementing material and the sand, the dosage of each component is calculated on the basis of the closest packing theory, and the sand-cement ratio is controlled within 1.1-1.4. By adopting the method, in-situ utilization of the raw materials of the ultra-high-performance concrete can be realized in volcanic diagenetic regions, and design, preparation and application of the basalt ultra-high-performance concrete can be realized in practical engineering.

The invention discloses an ultra-thick backfill complex geological cast-in-place pile hole forming construction method, and particularly relates to the technical field of foundation pile foundation construction, and the method comprises the steps of S1, site leveling and pile position paying off, S2, 1.2 m drill bit rotary digging hole forming, S3, backfill tamping, S4, 1 m drill bit rotary digging pile machine hole forming, S5, hole cleaning, S6, reinforcement cage manufacturing and mounting, S7, guide pipe placing, S8, secondary hole cleaning and S9, pile body concrete pouring. According to the method, the super-thick backfill complex geology in-situ SDDC in-hole deep dynamic compaction and rotary excavating pile hole-forming construction technology is adopted, in a high-position backfill area, the SDDC in-hole deep dynamic compaction technology is used for forming a pile body cylindrical soil body with the diameter being 2-3 m and easy to form a hole in an original pile position, then the rotary excavating technology is used for forming a hole in a cylinder, the hole-forming quality of a pile foundation under the complex geology condition is guaranteed, and the construction efficiency is improved. The most suitable mechanical equipment can be reasonably selected for pile foundation equipment according to specific geological conditions, the construction cost can be reduced through the combined construction technology, and the pile foundation hole forming construction quality is guaranteed.

The invention discloses a novel anti-slide pile and an intelligent regional landslide monitoring and management method and system, relates to the technical field of landslide monitoring, combines the functions of real-time monitoring, early warning and prediction, structural stability evaluation, maintenance scheme analysis and the like, is beneficial to improving the scientificity, accuracy and efficiency of landslide control, reduces the geological disaster risk, and improves the safety of landslide management. Meanwhile, by combining elements such as the inclined piles in front of the piles, the anchor cables and the water guide pipes, the structure not only improves the stability of the slide-resistant piles, but also can effectively control deformation and drainage of landslides, so that geological disaster risks are reduced, casualties and economic losses are reduced, and the structure is composed of the slide-resistant piles, the anchor cables, the inclined piles in front of the piles, the water guide pipes and the drainage pipes; the anti-slide pile is a hollow pile, the anchor cable and the inclined pile in front of the pile are constructed in the hollow pile, the hollow pile part is filled with concrete after the anchor cable and the inclined pile are constructed, and the concept that the anchor cable cannot be constructed in a traditional embedded anti-slide pile is changed.

The invention provides a springback-reducing admixture for sprayed concrete and a preparation method of the springback-reducing admixture, and relates to the technical field of concrete admixtures. The springback-reducing admixture for the sprayed concrete comprises the following raw materials in percentage by mass: 40-70% of a component A and 30-60% of a component B, the component A comprises the following raw materials in percentage by mass: 30%-50% of calcined kaolin, 10%-20% of light calcined magnesia and 40%-60% of semi-hydrated gypsum. And the component B comprises the following raw materials in percentage by mass: 60-90% of cement, 5-10% of modified rubber powder and 5-10% of cellulose. The springback-reducing admixture for sprayed concrete provided by the invention is applied to sprayed concrete and has relatively low springback rate and relatively high strength.

The invention discloses a solid waste flow-state backfill material and a preparation and performance regulation and control method thereof, and relates to the technical field of green low-carbon geotechnical materials, and the solid waste flow-state backfill material is formed by uniformly stirring a solid waste base material, water and a comprehensive performance regulator. The performance of the solid waste flow-state backfill material is regulated and controlled by changing parameters such as the mix proportion and the water-solid ratio of the solid waste base material, the mixing amount of the recycled fine aggregate and the like, the flow-state backfill material which is controllable in the strength range of 0.6-12 MPa, excellent in working performance and stable in performance can be prepared, the diversified engineering application requirements are met, the engineering cost is reduced, and the economic benefit is increased. And the development goals of low carbon, environmental protection, economy and high efficiency of backfill engineering in the construction field are achieved.

The invention discloses a special aggregate for low-steam-curing-energy-consumption light-weight high-strength concrete and a preparation method of the special aggregate, and belongs to the technical field of building materials. The aggregate is boron nitride lightweight aggregate, and the boron nitride lightweight aggregate comprises the following raw materials: shale, fly ash and boron nitride; the mass ratio of the shale to the fly ash is (85-92): (8-15); the dosage of the boron nitride is 3%-20% of the total mass of the shale and the fly ash. The boron nitride lightweight aggregate is prepared through aging, granulation, sintering, ball milling and screening and replaces part of natural aggregate to be used for preparing the concrete, and on the premise that the strength of the concrete is not affected, the maintenance energy consumption of the concrete can be obviously reduced, and the dead weight of the concrete can be reduced; meanwhile, the additive can be used as a self-curing agent to promote the long-term strength increase of concrete.

The invention relates to a method, device and equipment for determining the safety coefficient range of a karst cave slope and a medium. The method comprises the steps that the maximum value and the minimum value of the slope in the X direction and the Y direction are obtained; based on the maximum value and the minimum value of the slope in the X direction, the slope is divided in the X direction according to the vertical division interval, and a plurality of vertical units are obtained; based on the maximum value and the minimum value of the slope in the Y direction, unit bodies with random heights are generated in all the vertical units; according to the unit bodies, determining the distribution condition of the rock-soil body and the karst cave in each vertical unit, and constructing a slope karst cave simulation model; performing assignment calculation on the slope karst cave simulation model to obtain a slope safety coefficient; and a plurality of groups of slope safety coefficients are obtained through iterative calculation, and the range of the slope safety coefficients is determined based on each group of slope safety coefficients. Reliable data support can be provided for engineering design of the karst cave slope, and safety and engineering economy are both considered.

The utility model provides a deep foundation pit supporting structure, which relates to the technical field of foundation pit supporting and comprises an external Larsen steel sheet pile and a steel enclosing purlin positioned on the inner side of the Larsen steel sheet pile, and the inner side of the steel enclosing purlin is connected with a steel supporting piece through a steel cushion box; a plurality of layers of steel enclosing purlins are horizontally arranged, each layer of steel enclosing purlins is connected with a layer of steel supporting pieces, four sets of steel supporting pieces are arranged on each layer of steel enclosing purlins, and a set of steel supporting pieces is connected between the steel enclosing purlins on the inner sides of every two adjacent Larsen steel sheet piles. Each set of steel supporting pieces comprises at least two steel supporting pieces, each set of steel supporting pieces comprises a long support and a plurality of short supports, and the long supports and the short supports of each set of steel supporting pieces are arranged in parallel. The utility model has the beneficial effects of reasonable design, simple structure, safety and reliability, and can provide reliable support for different soil layers, improve the supporting effect and reduce the construction difficulty and cost.

The invention discloses an ultrahigh ALC wallboard construction method adopting a frame method, and relates to the technical field of construction management, the method comprises the following steps: S1, construction preparation; s2, surveying and setting out; s3, a bearing frame and an operation frame are erected; s4, embedded steel bars and column steel bars are bound, and a formwork is installed; s5, beam bottom formwork installation and steel bar binding; s6, a beam side formwork is installed; s7, concrete pouring; s8, concrete curing; s9, a bottom layer ALC wallboard is installed; s10, an upper-layer ALC wallboard is installed; s11, glass fiber gridding cloth is attached to plate seams; and S12, performing the next process. According to the method, the ultrahigh wallboard is installed in a segmented mode, the installation difficulty caused by the fact that the whole board is too long can be effectively avoided through segmented construction, the precision and perpendicularity of the ALC wallboard are ensured, and the frame structure not only provides a supporting function, but also can play an effective limiting and correcting role in construction; and the mounting stability and accuracy of each section of wallboard are ensured.

A movable feeding device of a lime double-hearth shaft kiln comprises an integral moving trolley, a moving trolley guide rail, a combined portal frame, a rotary hopper supporting ring beam, a hopper supporting structure, a hopper rotation driving mechanism, a rotary hopper and a charging bell, the integral moving trolley walks on the moving trolley guide rail in a reciprocating mode, and the rotary hopper supporting ring beam is installed on the integral moving trolley. A hopper supporting structure and a hopper rotation driving mechanism are arranged on the rotary hopper supporting ring beam, the rotary hopper is erected on the hopper supporting structure and driven by the hopper rotation driving mechanism to rotate, the combined portal is fixedly connected with the rotary hopper supporting ring beam, and a charging bell lifting driving device is installed on the combined portal. The charging bell is arranged at a discharging opening in the bottom of the rotary hopper, a lifting shaft protection sleeve is arranged in the middle of the rotary hopper, and a transmission mechanism of the charging bell is connected into the lifting shaft protection sleeve in a penetrating mode. According to the utility model, two-way movable feeding of the kiln top can be realized, limestone materials are uniformly heated, the operation process is environment-friendly, and the operation is safe.

The invention discloses a granite residual soil slope section structure optimization method which is applied to the technical field of slope prevention and control. Comprising the steps that S1, geological drilling is conducted on a slope to be excavated, hydrogeological conditions are investigated to obtain relevant data of the slope, and the relevant data comprise stratum lithology, a slope body structure, an underground water level and a rainfall condition; s2, measuring physical and mechanical properties of stratum lithology according to the obtained side slope geological drilling core sample; s3, according to the height of the side slope, the stratum lithology, the land use red line and the surrounding environment, design parameters of the side slope stages, the slope ratio of each stage of the side slope, the height of each stage of the side slope and the platform width of the side slope to be excavated under different working conditions are designed; s4, obtaining slope stability coefficients corresponding to different working conditions based on S2 and S3, and obtaining an optimal section structure design working condition; s5, performing protection and retaining design on the slope to be excavated according to the principles of technology feasibility, economy, reasonability and ecological environmental protection on the basis of the step S4, obtaining a slope stability coefficient, and obtaining a protected slope section structure; and S6, on the basis of the S5, in combination with hydrogeology and meteorology, drainage design of the slope to be excavated is carried out, and finally an optimized slope section structure is obtained. According to the method, the long-term stability of the slope can be improved, better environmental adaptability and ecological friendliness are provided, engineering protection measures are reduced, and the construction and maintenance cost is reduced.

The invention belongs to the technical field of geological drilling, and discloses hydrogeological drilling equipment which comprises a splash block, a plurality of supporting plates are fixedly connected to the periphery of the bottom of the splash block, supporting legs are slidably connected to the middles of the supporting plates, a sliding rail is fixedly connected to one side of the top of the splash block, and a linear motor is slidably connected to the outer side of the sliding rail. And a first driving motor is fixedly connected into the linear motor. A linear motor drives a first driving motor to move, the first driving motor moves to drive a first connecting rod to move, the first connecting rod moves to drive a first threaded sleeve and a sampling pipe to move, the sampling pipe moves to drive a drill bit to move, and when the sampling pipe moves downwards, the conical surface of the bottom of the sampling pipe makes contact with soil, and then the sampling pipe drills into the soil more easily; and the sampling pipe and the drill bit enter the soil together, so that the hole wall can be effectively supported during drilling, collapse and deformation of the hole wall during drilling are avoided, and the influence on the drilling quality and precision is avoided.

The utility model discloses a foundation structure of an overhanging type tower crane. One end of the horizontal cantilever frame is fixed through a first embedded connecting piece arranged on a bearing platform, and the other end of the horizontal cantilever frame is arranged in a suspended mode; one end of the inclined strut frame is fixed to the bottom of the suspended end of the cantilever frame, and the other end of the inclined strut frame is fixed through a second embedded connecting piece arranged on the side wall of the bearing platform; the tide level remote reporting instrument is arranged at the bottom of the suspended end of the cantilever frame; and the third embedded connecting piece is arranged on the cantilever frame and is used for fixing the tower crane on the cantilever frame. The overhanging type tower crane foundation structure is simple and convenient to mount, can be quickly dismounted and repeatedly used, improves the construction efficiency, reduces the engineering cost, can realize the mounting of a tower crane under the condition that the space of a bearing platform is small, and successfully solves the problem that the effective mounting space position of the bearing platform is small and a tower crane foundation embedded part cannot be mounted.

The invention relates to the field of foundation pile foundation construction, in particular to a hole-forming construction method for a super-thick backfill complex geological cast-in-place pile. Comprising the steps of site leveling and pile position paying-off; performing primary drill bit rotary drilling and hole forming; a column soil body; forming a hole by a secondary drill bit rotary drilling pile machine; cleaning the hole; placing a reinforcement cage and a guide pipe; cleaning the hole for the second time; pile body concrete is poured; and inspecting and accepting. According to the method, a single construction process adopted in original cast-in-place pile hole forming is changed, an ultra-thick backfill complex geology in-situ SDDC in-hole deep dynamic compaction and rotary excavating pile hole forming construction technology is innovatively adopted, in a high-position backfill area, the SDDC in-hole deep dynamic compaction technology is used for forming a pile body cylindrical soil body easy to form a hole at an original pile position, then a rotary excavating process is used for forming a hole in a cylinder, and the pile body cylindrical soil body easy to form a hole is formed; the pile foundation hole forming quality under the complex geological condition is guaranteed, the construction cost is reduced through the combined construction technology, and the pile foundation hole forming construction quality is guaranteed.

The invention relates to a prevention and drainage combined fabricated underground side wall waterproof node and a construction method, the node comprises a side wall and a prefabricated middle plate, the side wall comprises an upper prefabricated wall body, a lower prefabricated wall body, a pre-pouring wall body and a post-pouring wall body, and a side wall abutted seam is formed between the upper prefabricated wall body and the lower prefabricated wall body; a cast-in-place concrete construction joint is formed between the firstly-poured wall body and the later-poured wall body, the side wall abutted seam and the cast-in-place concrete construction joint are staggered, a water stop strip and a compression sealing body are arranged in a cushion layer of the side wall abutted seam, and a waterproof material, a water stop steel plate and water stop glue are arranged in the cast-in-place concrete construction joint. The connecting area of the prefabricated middle plate and the side wall is located on the top of the lower prefabricated wall body and is connected with the side wall by pouring concrete in the side wall and middle plate cast-in-place area. The problems that in an existing fabricated underground structure side wall and middle plate waterproof design, the joint waterproof effect is poor, construction is complex, and drainage measures are lacked are solved.

The utility model relates to the field of constructional engineering, and particularly discloses a device for reducing the bubble generation rate of a concrete forming surface. The air guide pipe is reserved in the aluminum formwork, the air holes are formed in the periphery of the air guide pipe, when concrete is poured into the aluminum formwork in a layered mode, a vibrating rod is used for vibrating the concrete, and at the moment, part of air reserved in the concrete moves upwards and escapes; part of air flows into the air guide pipe from the air holes under the action of concrete pressure and the vibrating rod, air remaining in concrete is effectively helped to flow out quickly, bubbles are effectively prevented from being formed on the surface of a formed concrete structure by the remaining air, and the device is convenient in material taking, simple in use method, free of influence of the construction environment, simple in construction and low in cost. The construction efficiency can be effectively improved, the construction period is shortened, the air guide pipe can be repeatedly used, the bubble repairing cost in the later device decoration project period is fully reduced, the project cost is effectively reduced, and the project progress is accelerated.

The utility model relates to the technical field of building construction, and discloses a soft soil deep foundation pit supporting structure for building construction, which comprises side plates, a plurality of fixing plates are fixedly connected to the opposite sides of the two side plates, bolts are in threaded connection to the opposite sides of the fixing plates, light steel is rotationally connected to the bottom ends of the fixing plates, and the bottom ends of the light steel are in threaded connection with bolts. And rotating blocks are rotationally connected to the opposite sides of the multiple fixing plates, supporting plates are rotationally connected to the opposite sides of the multiple rotating blocks, moving blocks are rotationally connected to the bottom ends of the multiple supporting plates, and sliding grooves are formed in the sides, away from each other, of the multiple pieces of light steel. According to the device, the stability of a soil body is enhanced by applying tensile force in advance through the first anchor rod and the second anchor rod, the fixing plates are connected through the multiple reinforcing rods, the construction process is simplified, the construction efficiency is improved, the threaded rods are driven to extend by rotating the rotary knobs on the two sides of the storage column, and therefore reinforcing treatment is conducted through the telescopic rods.

The invention belongs to the technical field of tunnel construction, and relates to a construction method for crack resistance of plateau tunnel lining concrete, which comprises the following steps: S1, screening of concrete raw materials: screening all raw materials according to the requirements of crack resistance of plateau tunnel lining concrete and the following requirements; s2, according to the anti-cracking performance requirement of the plateau tunnel lining concrete, the raw materials screened in the step S1 are adopted, and anti-cracking concrete is formed according to the set mixing proportion; s3, preparation before concrete pouring; s4, the concrete is put into a mold, poured and vibrated; and S5, concrete curing. According to the method, the concrete mixing proportion is designed, the concrete is poured in a mold, and the vibration and curing temperature and humidity in the concrete pouring process are controlled, so that the concrete shrinkage rate is reduced, and the anti-cracking performance of the concrete is improved.

The invention discloses an anti-floating buffering flexible pool for a high underground water level. According to the invention, the anti-floating problem of the flexible pool body when the underground water level is relatively high is effectively solved through the interlayer structure. The interlayer material can automatically expand when the underground water level rises to form supporting force to resist the jacking effect of water buoyancy on the pond bottom, so that the pond body is prevented from floating upwards. Therefore, the application limitation of a traditional flexible pool body in areas with the high underground water level is broken through, the application range of the flexible pool body is widened, and the flexible pool body can be applied to more areas, especially occasions with poor foundations, the high underground water level and the high requirement for the water storage capacity. The anti-floating buffering flexible pool can effectively solve the problems in coastal areas, areas with rich underground water resources, urban underground spaces and the like, and a safe and reliable water storage solution is provided for the areas.

The invention belongs to the technical field of geotechnical engineering and ocean engineering, and particularly relates to an island ecological bank slope structure and process based on biomimetic mineralization and microorganism self-repairing. The biomimetic mineralization calcareous sand reinforcing layer is prepared by spraying a biomimetic mineralization liquid A and a biomimetic mineralization liquid B onto calcareous sand to mineralize the calcareous sand; the ecological self-repairing calcareous sand concrete layer comprises calcareous sand, cement, fly ash, broken stone, seawater, an additive, microbial self-repairing particles and marine plant grass seeds; and a pebble layer. The invention further discloses a construction process of the island ecological bank slope structure based on biomimetic mineralization and microbial self-repairing. The reinforcing effect is good, the influence on the environment is small, meanwhile, the concrete crack self-repairing function is achieved, and the service life of the bank slope structure can be prolonged.

The utility model relates to the technical field of resin cartridge installation equipment, and provides an anchor rod trolley resin cartridge anchor rod swing installation device which comprises a propelling beam and an installation base, one end of the installation base is connected with the propelling beam, the other end of the installation base is rotationally connected with a rotary swing arm, and the installation base is provided with a swing motor used for driving the rotary swing arm to rotate. A guide pipe and a front feeding oil cylinder are arranged on the rotary swing arm, a coil feeding pipe is movably inserted into the guide pipe in a penetrating mode, a cylinder barrel section of the front feeding oil cylinder is fixed to the rotary swing arm, and a coil feeding clamping sleeve connected with the coil feeding pipe is arranged at the end of a piston rod of the front feeding oil cylinder. When the resin roll is installed, the roll feeding pipe communicated with the resin roll is fed into the anchor rod hole, the resin roll installation work is executed, the installation efficiency is improved, frequent equipment switching is avoided, and the engineering cost is reduced.