903 results about "Retaining wall" patented technology

The invention discloses a road flood damage disaster rapid identification method and system based on remote sensing image analysis, and belongs to the technical field of remote sensing image analysis and disaster detection, and the method comprises the steps: extracting a change region of a pre-disaster and post-disaster remote sensing image through a multi-scale differential twin network change detection module; identifying five water destruction types, namely roadbed washout, pavement collapse, side slope collapse, retaining wall collapse and bridge and culvert damage, through the cascade attention water destruction semantic segmentation network; a multi-dimensional damage degree collaborative evaluation module is used for fusing form, spectrum and spatial characteristics to calculate a damage degree grade; according to the method and the system, rapid identification, accurate classification and comprehensive evaluation of highway flood damage disasters are realized, and technical support is provided for decision-making of after-disaster rescue and maintenance.

The invention discloses a soft soil foundation embankment heightening and widening structure and a construction method, and belongs to the field of water conservancy projects. In order to solve the problems of uneven settlement, landslide instability and overlarge occupied area easily occurring when the soft soil foundation embankment is heightened and widened, the structure comprises precast concrete piles (top beams and ripraps are arranged on the tops of the piles) densely arranged at the slope toe outside the embankment, an inner side cantilever retaining wall (with drainage holes and a gravel inverted filter), geogrids laid in backfill soil in a layered mode, and CFG piles arranged on the lower portion in a plum blossom shape. The guardrail base and the flower bed are integrally poured with the retaining wall. The construction method comprises the steps of slide-resistant pile construction, earthwork excavation, CFG pile construction, retaining wall pouring, embankment body backfilling and embankment top road construction. Bidirectional control over settlement and horizontal displacement is achieved through cooperation of multiple structures, variable-stiffness leveling can be achieved by adjusting parameters of the CFG piles, and the variable-stiffness leveling structure has the advantages of skid resistance, stability, landscape optimization and land occupation saving and is suitable for soft soil foundation embankment upgrading and reinforcing projects.

The invention relates to a self-repairing flow state solidified soil reinforced retaining wall for slope toe reinforcement and a construction method, and the retaining wall comprises a wall body which is formed by self-repairing flow state solidified soil in a cast-in-place mode and is provided with extension sections on the two sides, and drainage holes are formed in the extension sections; the foundation is arranged on the foundation and used for supporting the wall body; the reinforcement system is composed of multiple layers of geogrids and embedded in the wall body in a layered mode, one end of each layer of geogrid is anchored in the wall body, and the other end of each layer of geogrid extends backwards and is anchored in the backfill area; when the retaining wall has micro-cracks due to uneven settlement of a soft foundation, the high-alkali environment at the cracks can immediately trigger the alkali-sensitive self-repairing microcapsules to be broken, the released repairing material can generate gel in situ to seal the cracks, the mechanism converts traditional passive damage into active repairing, crack development is effectively restrained, an erosion channel is blocked, and the service life of the retaining wall is prolonged. Therefore, the long-term durability of the retaining wall is obviously improved.

The invention particularly discloses a layered and segmented composite fabricated foundation pit support structure and a construction method. According to the overall technical scheme, double enclosure of deep mixing piles and a cemented soil retaining wall is followed, truss rib laminated slabs are spliced in a layered and segmented mode, an anchor rod group transversely penetrates through the deep mixing piles to be anchored into the cemented soil retaining wall, anchor rod holes are also used as high-pressure grouting holes, anchor rod sleeves guide anchor rods to enter soil and assist the truss rib laminated slabs to be in place, and high-strength grouting materials are grouted at high pressure; according to the design concept of the pile-wall-plate-anchor rod composite type foundation pit support structure, a technical system that a soil layer outside a foundation pit is stabilized through a cement soil retaining wall, force is borne by deep mixing piles, support grouting forming is conducted through a truss rib laminated plate, and overall cooperative bearing is strengthened through anchor rod driving is constructed. And the supporting requirements of complex geological environments and large-depth foundation pits are stably met.

The landslide dammed lake landform utilization and restoration method comprises the steps that backfill back pressure is conducted on a slope toe river channel at the front edge of a landslide, reinforced concrete retaining walls are arranged at the upstream end and the downstream end of a backfill back pressure area respectively to stabilize backfill bodies of the backfill back pressure area, and water from the upstream of the river channel is intercepted to form a water storage area; reinforced concrete flood discharge and sand discharge holes are linearly distributed in stable mountain bed rock outside the landslide area, the inlet ends of the flood discharge and sand discharge holes are connected with an upstream water storage area river bank, the outlet ends of the flood discharge and sand discharge holes are connected with a downstream river bank slope, and a water pump station and a pipeline are built in a geological stable area of the water storage area to lift water. The land in the landslide area is recycled; by arranging the backfill back pressure area and the flood discharge and sand discharge hole, on the basis of stabilizing the landslide weir body, the water pumping station and the water lifting pipeline are built, water stored in the water storage area is utilized to irrigate and recycle land in the landslide area, land utilization and ecological restoration are carried out on the basis of landslide prevention and control, and the landslide treatment effect is improved.

The invention particularly discloses a layered and segmented composite fabricated foundation pit support structure and a construction method. According to the overall technical scheme, double enclosure of deep mixing piles and a cemented soil retaining wall is followed, truss rib laminated slabs are spliced in a layered and segmented mode, an anchor rod group transversely penetrates through the deep mixing piles to be anchored into the cemented soil retaining wall, anchor rod holes are also used as high-pressure grouting holes, anchor rod sleeves guide anchor rods to enter soil and assist the truss rib laminated slabs to be in place, and high-strength grouting materials are grouted at high pressure; according to the design concept of the pile-wall-plate-anchor rod composite type foundation pit support structure, a technical system that a soil layer outside a foundation pit is stabilized through a cement soil retaining wall, force is borne by deep mixing piles, support grouting forming is conducted through a truss rib laminated plate, and overall cooperative bearing is strengthened through anchor rod driving is constructed. And the supporting requirements of complex geological environments and large-depth foundation pits are stably met.

The invention relates to the technical field of retaining walls, in particular to an anti-overturning retaining wall supporting structure which comprises a base used for being placed on the ground, and adjusting grooves are symmetrically formed in the top face of the base; the formwork is used for pouring a multi-face retaining wall part, and the formwork is fixedly connected with the side face of the base; the adjusting part is used for adjusting the inclination direction of the formwork, the adjusting part is arranged on the adjusting groove, and the adjusting part is connected with the side face of the formwork; the supporting part is used for supporting the template, and the supporting part is fixedly arranged on the top surface of the base; positioning pins are symmetrically and fixedly mounted on the top surface of the base; the process requirement for pouring a multi-face soil retaining part can be met, and meanwhile the possibility of overturning of the retaining wall formwork can be reduced.

The invention provides a bridge floor slag blocking wall stability analysis system and method for a high-speed railway, and relates to the technical field of high-speed railway engineering. The system comprises a data acquisition and processing unit, a structure analysis and calculation unit and a stability evaluation and early warning unit. The data acquisition and processing unit is used for acquiring geometric parameters of the slag wall, material performance parameters and original data and historical data of environmental load; the structural analysis and calculation unit is used for simulating dynamic stress and displacement response of the slag wall under multiple working conditions in the whole life cycle based on the original data and the historical data; and the stability evaluation and early warning unit is used for carrying out self-adaptive intelligent judgment on the stable state of the slag blocking wall based on the dynamic stress and the displacement response, carrying out graded early warning on potential risks and predicting the evolution trend of the potential risks. The method and the device are used in the stability analysis process of the bridge floor slag blocking wall, and solve the technical problem of lagging risk early warning of the stability analysis of the bridge floor slag blocking wall of the high-speed railway in the prior art.

The invention belongs to the field of phosphorite mountain mining, and relates to a mining method suitable for a gently inclined thick and large phosphorite body containing a soft interlayer, which comprises the following steps: carrying out stope division and pseudo-inclined strip arrangement, dividing the ore body into manageable mining units, and optimizing a stoping sequence and a filling strategy; roof pre-cutting construction and roof supporting are conducted, a top ore bed is stoped and supported, and the stability of a roof is controlled; stoping the chambers, extracting the ores in the chambers, and adopting different stoping modes according to the thicknesses of the clamped ores, so as to maximize the ore recovery rate and minimize the loss; clamping stone processing and transferring are conducted, processing is conducted according to the thickness of the clamping stone, the clamping stone is removed to improve the ore grade, or the clamping stone is reserved; a filling retaining wall is constructed, and a retaining wall is arranged in the mined-out area after stoping; and subsequent filling and pillar stoping are conducted, the goaf is filled with filling materials, surrounding rock is supported, and pillars are stoped to achieve comprehensive recovery of resources. The problems that a traditional method is high in depletion rate, difficult in roof control and poor in adaptability are solved, and the mine production efficiency is remarkably improved.

The utility model belongs to the technical field of retaining wall, disclose a water conservancy building retaining wall, including retaining wall, backfill and concrete bottom plate, the retaining wall inside is equipped with the water outlet pipe, backfill inside is equipped with the drainage blind ditch, drainage blind ditch inside is equipped with the filter structure, drainage blind ditch is connected with the water outlet pipe through the connecting structure, set up drainage blind ditch and water permeable geotextile when backfilling backfill, reduce the water level of backfill layer upper end to drainage blind ditch lower end, the water of upper end is through drainage blind ditch and flows to water permeable net pipe, the silt that enters water permeable net pipe is reduced through the filtration of blind ditch gravel and geotextile, again due to the water of inside flow of water permeable net pipe can take away trace silt, thereby avoid the deposition of silt and cause the blockage, the water in water permeable net pipe is taken away through the water outlet pipe that is preburied in retaining wall, thereby reduce the hydrostatic pressure of backfill to retaining wall.

The application relates to the technical field of riverway engineering, in particular to a retaining wall structure, which comprises a retaining wall body, a drainage plate group and a drainage pipe. The retaining wall body comprises a bottom structure and a side structure, the bottom structure is connected with the bottom of the side structure, and the side structure and the bottom structure jointly define a backfill space for accommodating filling soil. The drainage plate group comprises a first drainage plate and a second drainage plate, the first drainage plate is arranged between the side structure and the backfill space, and the second drainage plate is arranged between the bottom structure and the backfill space. A water passing gap is formed between the first drainage plate and the side structure. The drainage pipe is arranged on the side structure. The retaining wall body forms a stable backfill space through the bottom structure and the side structure, provides reliable support for the filling soil, guarantees the bearing capacity of the retaining wall foundation, the first drainage plate and the second drainage plate are arranged correspondingly at the bottom structure and the side structure, double drainage coverage of the bottom and the side of the backfill space is realized, and the water passing gap and the drainage pipe are matched to build a complete drainage path.

The present application provides a kind of pile between cast-in-place retaining wall single-sided formwork and construction method, arc stress reinforcement is reliably welded with pile foundation main reinforcement, whole arc stress reinforcement is in the interior of pile between wall body, water stop screw used in single-sided formwork is firmly welded with arc reinforcement, the first reinforcing of single-sided formwork outside adopts one screw configuration two vertical steel pipes vertical reinforcement, most outside is provided with horizontal steel pipe horizontal reinforcement to ensure the integrity of single-sided formwork, the present application is suitable for the installation and reinforcement of pile between retaining wall single-sided formwork, construction cycle is greatly shortened, and cost reduction effect is remarkable.

This invention provides a retaining wall reinforcement structure and construction method that can reinforce even collapsed stone retaining walls as easily as possible. [Solution] The retaining wall reinforcement structure 1 is characterized by having a columnar first reinforcing body 15 formed vertically inside the retaining wall 10, a columnar second reinforcing body 16 formed vertically inside the retaining wall 10 but outside the columnar first reinforcing body 15, a wall-like reinforcing body 25 formed outside the columnar second reinforcing body 16, and a rod-shaped reinforcing member 26 inserted from the wall-like reinforcing body 25 toward the columnar first reinforcing body 15 and connected to the columnar first reinforcing body 15. Even collapsed stone retaining walls can be reinforced as easily as possible.

The utility model relates to the technical field of retaining walls, and discloses a garden landscape stone ecological retaining wall structure which comprises landscape stone bodies, an arch-shaped retaining wall is arranged between the two landscape stone bodies, a stabilizing assembly is arranged between the arch-shaped retaining wall and the landscape stone bodies, a planting groove is fixedly formed in the top face of the arch-shaped retaining wall, and a planting groove is formed in the top face of the planting groove. The stabilizing assembly comprises first anchoring ribs and second anchoring ribs, the first anchoring ribs are arranged on the two sides of the arched retaining wall, the second anchoring ribs are fixedly installed on one side of the landscape stone body, the first anchoring ribs and the second anchoring ribs are connected through anchoring binding, and connecting ribs are fixedly connected between the first anchoring ribs. According to the utility model, through the combination of the landscape stone body and the arched retaining wall, the soil retaining performance of the device is embodied, the ornamental performance of the device is also enhanced, and the stability of the arched retaining wall can be improved through the anchoring connection of the first anchoring rib and the second anchoring rib in the stabilizing assembly.

The invention discloses a construction method for excavating an upside-down well wall of a deep foundation pit under an eccentric compression working condition. The construction method is suitable for an asymmetric load scene that the soil covering height of one side of a vertical shaft is obviously larger than that of the other side of the vertical shaft. The method comprises the steps that firstly, grouting is conducted on the periphery of the shaft wall of a vertical shaft under the current ground, and a soil body reinforcing area is formed; then, a mouth locking ring beam is constructed at a shaft mouth of the vertical shaft, an upper structure comprising a retaining wall, a reverse pressing plate, a retaining wall ring beam and a plate support is upwards constructed on the mouth locking ring beam, and soil covering side earthwork is synchronously backfilled to the level ground elevation in the construction process; next, an upside-down well wall method is adopted for subsection downward excavation, an annular arch frame, angle braces and anchor rod supports are constructed after each section is excavated, and an upper ring beam and a lower ring beam are arranged at the horsehead position and connected with the adjacent arch frames through vertical supports; and finally, concrete bottom sealing is conducted on the shaft completion face. The anti-overturning moment is formed through the reverse pressing plate and synchronous backfilling, and the problem of well wall instability caused by eccentric loads is effectively solved in combination with a multi-stage supporting system.

The invention discloses a cast-in-place gravity type concrete retaining wall block overlapping construction device and technology, and relates to the technical field of concrete retaining wall construction.The cast-in-place gravity type concrete retaining wall block overlapping construction device comprises a guide rail, and the guide rail is slidably connected with a shaping box used for pouring concrete and a mold closing box used for shaping retaining wall blocks; a material pressing mechanism and a material guiding mechanism which are driven by a servo motor are arranged in the molding box and the mold closing box correspondingly, the mold closing box is detachably installed on the molding box through a lock rod, butt joint side lugs corresponding to the lock rod are arranged on the molding box, and a control module connected with the servo motor through electric signals is further arranged on the molding box. The material pressing mechanism comprises a material pressing plate slidably connected into the mold closing box, the material pressing plate is connected with the end, extending into the molding box, of the material separating insertion plate in an abutting mode, and during use, the material pressing mechanism is driven by a servo motor to achieve high-frequency reciprocating vibration of the material pressing plate, and pressure is continuously applied to the side faces of concrete blocks in cooperation with the synergistic effect of a material pressing spring and a reset spring; and voids and pitted surfaces on the side surfaces are avoided.

The invention discloses an underground structure retaining wall transportation device convenient to use, and belongs to the technical field of underground structure retaining wall transportation. The air pressure assembly comprises two telescopic columns, the outer end of any telescopic column is provided with a telescopic cylinder, and the end, away from the telescopic column, of the telescopic cylinder is provided with an air box; the reset assembly comprises a first sliding cylinder installed at the end, close to the air box, of the inner side wall of the transport box. The detection assembly comprises a controller mounted at one end of the outer side wall of the transportation box; and the mounting assembly comprises a mounting box mounted at the outer end of the transport box. Through the first protection plate and the second protection plate in the transportation box, when the underground structure retaining wall enters the placement plate, the upward moving height of the protection plates can be automatically adjusted according to the air pressure of the air pipe entering the transportation box; damage caused by falling when the underground structure retaining wall needing to be transported is higher than the transport box can be effectively prevented, and the cost of an enterprise is reduced.

The invention discloses a cover-excavation method steel cover plate and a connecting and limiting method thereof, and belongs to the technical field of foundation pit engineering. Aiming at the defects of large vibration, high noise, poor driving comfort, insufficient rigidity, low repeated utilization rate, improper connecting and limiting measures and the like of an existing cover-excavation method cover plate, a vertical support-horizontal support-steel cover plate integrated structure system is constructed, and vertical support is formed by constructing a foundation pit enclosure wall and a stand column pile; a first reinforced concrete support serves as a transverse horizontal support, a section steel longitudinal beam is erected to serve as a longitudinal horizontal support, reliable limiting between steel cover plates and between the plates and the beams is achieved by matching reserved holes and clamping grooves with bolts and clamping section steel, and the flatness and the vibration reduction effect are optimized with assistance of a rubber vibration reduction cushion layer. The steel cover plate adopts standardized H-shaped steel assembly welding and fiber concrete surface layer design, and can be repeatedly used. The problem of vibration noise of the cover plate under dense vehicle load is effectively solved, deformation of the foundation pit is controlled, interference of construction to the surrounding environment and traffic is reduced, the requirements of energy conservation and emission reduction are met, and remarkable environmental protection benefits and economic benefits are achieved.

This invention provides a multi-model fusion method, device, electronic device, and system for debris flow early warning. The method includes: collecting geographical and geological data, real-time rainfall, runoff, and auxiliary monitoring data; fusing a shallow flow numerical model, a moving least squares machine learning model, and a generalized regression neural network model, and obtaining a comprehensive runoff prediction through weighted least squares calculation; constructing critical runoff indicators based on the safety requirements of disaster-bearing bodies such as roadbeds, retaining walls, and culverts, and inversely calculating critical rainfall thresholds, then making differentiated adjustments based on the average gradient of the gully; generating a debris flow early warning report by comparing real-time predictions with thresholds, achieving final graded and zoned early warning for the warning area. This invention improves the accuracy and engineering relevance of early warnings by integrating physical mechanisms and data patterns, achieving refined early warning from "whether it will occur" to "when, where, and what the impact will be," while reducing the error of a single model and adapting to different terrains and disaster-bearing bodies along highways.

The utility model discloses a stone classifying and storing device which comprises a long straight transversely-arranged bottom rod, two through pipes transversely arranged at intervals are fixedly arranged at the upper end of the bottom rod, the through pipes are perpendicular to the bottom rod, the two through pipes are symmetrically arranged with the midpoint of the bottom rod as the symmetry center, a rectangular vertical retaining wall is further fixedly arranged at the upper end of the bottom rod, and the retaining wall is perpendicular to the bottom rod. The length direction of the retaining wall extends in the central axis direction of the bottom rod, the length of the retaining wall is not smaller than that of the bottom rod, the projection of the retaining wall in the vertical direction completely covers the projection of the bottom rod in the vertical direction, a through opening communicated with the through pipe is correspondingly formed in the bottom of the retaining wall, and two transverse supporting parts are fixedly arranged on the left side and the right side of the bottom rod respectively. The supporting parts are perpendicular to the bottom rod, the bottoms of the supporting parts are flush with the bottom of the bottom rod, the two supporting parts on the same side are symmetrically arranged with the midpoint of the bottom rod as the symmetry center, a gap is reserved between the two supporting parts on the same side to form a channel, and the through pipe is arranged in the range of the channel. According to the device, on the premise that the blocking function is guaranteed, the moving and adjusting functions can be conveniently and rapidly achieved.

A boulder transfer device for constructing a concrete retaining wall on a bank includes a mobile vehicle, a robotic arm, a gripping claw assembly, a first traction device, and a second traction device. The robotic arm is mounted on the mobile vehicle. The gripping claw assembly includes several claw teeth symmetrically arranged in a divergent pattern at the end of the robotic arm. The tip of each claw tooth is connected to the end of the robotic arm. A first traction device is provided between the ends of two adjacent claw teeth, and all the first traction devices at the ends of the claw teeth use the same traction rope. The second traction device is installed above the connection point between each claw tooth and the robotic arm, on the side wall of the robotic arm. The second traction device corresponds one-to-one with each claw tooth, and the traction rope of the second traction device passes through the corresponding claw tooth and is fixedly connected to the end of the corresponding claw tooth. Each claw tooth includes several connecting rod modules, which are connected end to end. This transfer device can automatically control the claw teeth to grip boulders according to their shape and size, making it highly adaptable.

The utility model relates to building structure technical field discloses a novel retaining structure for road, including support stake, prefabricated arched retaining board, reinforcing tendon, support rod, cable connecting ring, cable connecting ring is used for connecting reinforcing tendon, support rod, reinforcing tendon is connected on support stake, and support rod is connected on prefabricated arched retaining board, the utility model designs arched prefabricated arched retaining board, and the earth pressure perpendicular to prefabricated arched retaining board is converted into the pressure to support stake, thereby increasing the retaining efficiency of prefabricated arched retaining board, and the back of prefabricated arched retaining board is simultaneously set into arched and makes the arching effect of the impacted earth body play, effectively reduces the earth pressure of earth body itself, sets up the axial force detector on the support rod, can judge retaining wall deformation stress condition at any time, sends out early warning in time when the axial force is over limit, and timely early warning can further reduce the risk coefficient, avoids the accident occurrence as far as possible.

This utility model relates to the field of spillway tunnel support technology, specifically a reinforcement support device for spillway tunnel excavation. It includes a fixed frame, with lifting blocks bolted to both ends of the fixed frame. A support block is slidably connected to the lower end of each lifting block, and a support base is fixed to the lower end of each support block. Multiple brackets are fixed to the top surface of the lifting blocks. Connecting seats are fixed to the outer ends of the brackets and both ends of the top surface of the fixed frame. Arc-shaped blocks are bolted to the connecting seats. A first pressure-relief block is fixed between two adjacent arc-shaped blocks. A second pressure-relief component is installed at the end of each bracket near the arc-shaped block. A connecting component, including an insert block, is installed on the arc-shaped block. The first pressure-relief block between adjacent arc-shaped blocks and the second pressure-relief component at the end of the bracket undergo controllable limited deformation, absorbing the energy released by the surrounding rock while maintaining stable support for the surrounding rock. This reduces the rigid stress on the structure, decreases brittle failures such as retaining wall cracking, support bending, and joint collapse, and lowers the risk of collapse.

The application discloses a kind of slice stone concrete retaining wall concrete pouring and slice stone throwing device and its using method, device includes movable sliding platform, movable support platform, pouring pipe and chute, pouring pipe is set on support platform, and pouring pipe is provided with feeding port;The chute is obliquely arranged, and its upper end is connected with sliding platform, and its lower end is connected with the feeding port of pouring pipe;The pouring pipe includes multiple fixed sections, and every two adjacent fixed sections are connected by connecting section, the connecting section has multiple connecting pieces, the connecting piece has open state and closed state, in the open state, adjacent fixed section is disconnected at the connecting piece, and the counter-bolt of retaining wall formwork can pass through the connecting piece, in the closed state, adjacent fixed section is connected together by the connecting piece;The present application can realize mobile pouring concrete and slice stone throwing, with the advantages of simple operation, less labor consumption and worker labor intensity.

This invention discloses a method for calculating the deformation of adjacent pile foundations considering the spatial effect of foundation pit excavation. The method comprises the following steps: First, determining the spatial distribution curve of the lateral deformation of the retaining wall; second, determining the free displacement field of the soil outside the pit induced by the spatial deformation of the foundation pit; and finally, determining the governing equations for the deformation of adjacent pile foundations using the Pasternak foundation and Euler-Bernoulli beam models. This invention takes into account the significant spatial effect of the surrounding soil deformation at different spatial locations of the pile foundation. When the pile foundation is near the center of the foundation pit, the surrounding soil deformation is often large. Therefore, considering the spatial shape of the soil deformation and the spatial distribution of the pile foundation can better reproduce the actual situation of foundation pit excavation and the response of the pile foundation.

The utility model relates to a drainage structure, in particular to a side slope drainage ditch structure which comprises an intercepting ditch and / or a side ditch arranged on a side slope, a self-dredging mechanism is arranged on one side in the intercepting ditch and / or the side ditch and comprises a water storage pool, a mud blocking wall is arranged on the top of the side wall of the side, facing the upstream side of the side slope, of the water storage pool, and the mud blocking wall is arranged on the side wall of the water storage pool. A hole is formed in the mud retaining wall, and a filtering device is arranged on the hole; a movable flashboard is arranged on the side wall of the side, facing the catchwater and / or the side ditch, of the reservoir, a floating ball is arranged in the reservoir, one end of a traction rope is connected with the floating ball, and the other end of the traction rope is connected with the movable flashboard through a pulley block. The anti-seepage drainage device is simple in structure, good in adaptability, good in anti-seepage drainage effect and low in maintenance cost, and has a self-dredging function.

The utility model relates to the technical field of coal mine filling mining, in particular to a fast and movable waste rock blocking wall for filling waste rock behind a support, and mainly solves the technical problems that an existing waste rock blocking wall is poor in structural stability, time-consuming and labor-consuming to build and poor in flexibility. The fast and movable type waste rock blocking wall comprises a bottom plate used for being attached to the ground of a roadway; the wall body assembly comprises a fixed wall body and spliced wall bodies, the bottom of the fixed wall body is hinged to the bottom plate, a hinged shaft is arranged in the width direction of the bottom plate, the number of the spliced wall bodies is at least one, the spliced wall bodies are detachably fixed to the upper portion of the fixed wall body, and the fixed wall body and all the spliced wall bodies form a complete wall body used for blocking waste rock; the supporting assembly comprises a telescopic rod and a locking piece, the telescopic rod is perpendicular to the width direction of the bottom plate, one end of the telescopic rod is hinged to the bottom plate, the other end of the telescopic rod is hinged to the fixed wall, and the locking piece is used for locking the length of the telescopic rod. The device is high in structural stability, easy and rapid to build and high in flexibility.

The present application relates to the field of civil engineering and computer-aided design technology, and particularly relates to a method for determining non-limiting active earth pressure of a retaining wall in complex terrain. The method comprises the following steps: obtaining and spatially discretizing original survey data to form a set of parameterized grid points; constructing a reference pressure grid using the set of parameterized grid points; extracting elevation information of each grid element in the reference pressure grid, locally fitting the elevation information to a surface, and calculating the principal curvatures of the terrain surface to form a terrain curvature spectrum; analyzing the curvature distribution of the curvature characteristic region in the terrain curvature spectrum to obtain statistical characteristics of the curvature distribution; and analyzing the soil arching effect according to the statistical characteristics of the curvature distribution to obtain soil arching curvature influence law data. The present application converts complex three-dimensional boundary conditions that are difficult to handle into an accurately quantifiable terrain curvature spectrum, thereby improving the safety and economy of retaining wall design under complex terrain conditions.

To provide a base-isolated building 1 capable of preventing inundation into a base-isolated pit 30 even if an inundation depth exceeds the height of a retaining wall 23.SOLUTION: The base-isolated building 1 includes a foundation structure 20, a base isolation mechanism 22, and an upper structure 10. The foundation structure 20 comprises a retaining wall 23. The upper structure 10 includes a first wall part 16, a second wall part 18 stored inside the first wall part 16, and an opening part 11 opened at a position higher than an upper end of the first wall part 16. The retaining walls 23 surround the periphery of the base-isolation pit 30, and the upper-end side 23a is located at a position higher than the lower-end side 16a of the first wall part 16. In the first flow path side 16c of the first 16c portion 16, the second wall portion 18 pushed up by water flowing into the first flow path side wall from the outside forms at least a part of a waterproof wall 180 that prevents water from flowing into the opening portion 11 of the upper structure 10 from the outside.SELECTED DRAWING: Figure 4

The present application relates to the technical fields of slope monitoring and reinforcing, and discloses a slope monitoring and reinforcing system based on highway construction, which comprises a retaining wall, a drainage ditch located on a slope is excavated on one side of the retaining wall, a reinforcing assembly is arranged on the other side of the retaining wall and fixed on the slope, drainage assemblies are sequentially arranged along the length direction of the slope, and drainage mechanisms are sequentially arranged on the top of the drainage assemblies and along the length direction thereof. The present application effectively avoids the soil erosion and settlement inside the soil layer caused by the large amount of seepage water, improves the strength of the slope, facilitates the monitoring personnel to timely monitor the state of the slope, can monitor the seepage and settlement state of the soil at different depths and directions of the slope, facilitates the management and maintenance personnel to monitor and maintain the internal state of the slope, improves the monitoring accuracy of the slope, and facilitates the timely maintenance and management of the slope.