948 results about "Basement" patented technology

The invention relates to the technical field of structure health monitoring, in particular to a basement prestress bottom plate health monitoring system based on the internet of things, which comprises a stress distribution analysis module, a defect diffusion analysis module, a damage characteristic evaluation module and a safety monitoring evaluation module. According to the method, accurate stress data collection and real-time monitoring are realized by capturing spatial position information and node stress values, so that stress change is carefully tracked and evaluated, stress conduction and edge weight between monitoring points are analyzed, the internal stress distribution state of the structure is accurately revealed, the defect diffusion range and path are simulated, and the damage trend is predicted in time; according to damage characteristic evaluation, through analysis of stress mutation and material strain, key data support is provided, maintenance decision making and maintenance plan optimization are effectively guided, threshold value classification and early warning implementation of safety monitoring evaluation are effectively guided, the recognition capacity of an overproof stress concentration area is improved, and the reliability of the system is improved. And the overall safety and stability of the structure are ensured.

A method for constructing an underground space in a peripheral area of an existing building by using an open caisson belongs to the technical field of open caisson construction, and comprises the following steps: arranging an open caisson construction area in an area between the existing buildings, and constructing an uplift pile in an internal area of the open caisson to be constructed; the counter-force beam is constructed, so that the counter-force beam is fixedly connected with the uplift pile, the two ends of the counter-force beam are fixedly connected with the existing building, and the weight of the existing building is used as counter-force to play a role in assisting sinking of the open caisson; after the counter-force beam is constructed, the open caisson is constructed, the uplift piles are arranged in the open caisson, the stress state of the counter-force beam can be improved, the cross section of the counter-force beam can be reduced, in the area with the high underground water level, the uplift piles on the lower portion of the open caisson can serve as anti-floating components of the open caisson, the uplift piles in the open caisson can serve as partial columns of a basement, cost is effectively reduced, and the construction period is shortened. The uplift pile is arranged in the open caisson, and compared with the uplift pile arranged near the outer wall of the open caisson, the uplift pile has higher bearing capacity and can better play a role.

The utility model provides an intelligent construction hoist which comprises a foundation, a guide rail frame, a cage, an electrical control system and an infrared detection light curtain. The bottom of the guide rail frame is fixed on a foundation, and the guide rail frame is provided with a vertical track; one side of the suspension cage is connected to the guide rail frame and can move up and down along the vertical rail, a transportation space is formed in the suspension cage, an openable suspension cage door is arranged on the side, opposite to the vertical rail, of the suspension cage, a landing door is arranged on the outer layer of the suspension cage door, and a linkage mechanism is arranged between the suspension cage door and the landing door; the electrical control system is used for controlling the lifting cage to automatically ascend or descend and controlling the lifting cage door and the landing door to be opened or closed; the infrared sensing light curtain is arranged on one side of the cage door and electrically connected to the electrical control system, and when the infrared sensing light curtain detects that obstacles exist, the electrical control system controls the cage door to stop being closed. According to the technical scheme, the anti-pinch function can be achieved, and the safety of personnel is guaranteed.

The invention provides a building waterproof roll construction method. The building waterproof roll construction method comprises the following steps that pre-paving waterproof construction is conducted on a base layer; performing waterproof construction on the basement side wall; and performing waterproof construction on the basement roof. The building waterproof roll construction method has the beneficial effects that roll waterproof construction can be conducted on a base layer, a basement side wall and a top plate, the construction process is reasonable, waterproof roll lap joints can be treated, the good waterproof effect can be achieved, waste of waterproof rolls is avoided, and in addition, the construction cost is reduced. The construction method strictly meets the requirements of construction specifications, rapid construction can be achieved, the construction efficiency is improved, the safety of constructors can be protected, and practicability is high.

The invention provides a basement anti-floating pile stress monitoring method and system, and relates to the technical field of anti-floating pile monitoring, and the method comprises the steps: collecting a plurality of stress monitoring data sets corresponding to a plurality of service moments; collecting an underground water level change data sequence of an area where the anti-floating pile structure is located; in combination with the groundwater level change data sequence and the plurality of stress monitoring data sets, carrying out equidirectivity verification on the evolution trend; generating a predicted settlement risk index; and when the predicted settlement risk index is greater than a preset probability threshold, generating an alarm signal. The technical problem that in the prior art, due to dependence on static data collection and lack of deep analysis on the stress change trend, the optimal intervention opportunity is missed can be solved, the stress state of the pile body can be analyzed in real time, the settlement risk can be accurately judged, early warning is automatically triggered when the risk exceeds the preset threshold value, and the risk is effectively prevented from being damaged. The technical effects of improving the safety of underground engineering and preventing the failure risk in advance are achieved.

The utility model relates to a lighting, heat-insulating and waterproof window well of a building and belongs to the technical field of window wells. Comprising a basement wall and a lighting assembly, window wells are arranged on the basement wall, the lighting assembly comprises lighting windows and suspended ceilings, the lighting windows and the suspended ceilings are located at the tops and the bottoms of the window wells respectively, the window wells comprise the upper window wells and the lower window wells, and the lower window wells are in a horn shape; a waterproof heat preservation assembly is arranged between the window well and the basement wall, a drainage pipe penetrating through the waterproof heat preservation assembly is arranged in the basement wall, the waterproof heat preservation assembly comprises a waterproof roll layer, a cement mortar smearing layer and a graphite polystyrene board, and the cement mortar smearing layer and the graphite polystyrene board conduct heat preservation on the window well. According to the building daylighting heat-preservation waterproof window well, the daylighting efficiency and uniformity are improved through the design of the outwards-convex-pyramid-shaped daylighting window and the horn-shaped lower window well, the waterproof heat-preservation assembly is combined with the graphite polystyrene board, heat transfer is effectively prevented, the heat-preservation performance is enhanced, and meanwhile the waterproof effect is improved through the waterproof roll layer and the cement mortar smearing layer.

The invention discloses a basement outer wall waterproof structure which comprises a basement side wall poured on a bottom plate, the basement side wall comprises an inner wall and an outer wall which are parallel and spaced, and a soil filling layer is arranged in a closed space formed between the inner wall and the outer wall; the multiple capillary drainage pipes are arranged in the soil filling layer in parallel at intervals, and one end of each capillary drainage pipe penetrates out of the interior wall into the basement; the outer wall waterproof layer is laid on the outer side of the outer wall, the outer wall waterproof structure adopts a waterproof strategy of combining outer blocking, inner drainage, passive water blocking and active drainage, the inner wall has good impermeability, the invention further discloses a construction method of the basement outer wall waterproof structure, and under the condition that the site construction difficulty is not increased, the outer wall waterproof layer can be laid on the outer side of the outer wall. And on-site construction of the waterproof structure is effectively completed.

The invention relates to the technical field of geological structure deformation simulation, in particular to a method and a device for simulating deformation of a basement involved tectonic zone based on discrete elements, and the method comprises the steps: extracting stratum information of a target area through geological survey and seismic data analysis; defining substrate wall conditions according to substrate activity distribution conditions; setting a target speed according to the multi-stage deformation in the target area; based on the geological parameters, determining particle mesoscopic parameters, and constructing a discrete element model; starting the boundary wall and the foundation wall to move, and simulating the dynamic evolution process of the tectonic zone; and when the contraction amount of the rear edge boundary of the motion plate meets a preset condition, acquiring and analyzing a simulation result based on the motion data of the filling particles. According to the method, by simulating and analyzing various basement involving construction modes, controlling the basement speed boundary conditions, simplifying the model calculation amount of the basement, improving the simulation efficiency and enhancing the result reliability, theoretical and technical supports are provided for oil-gas exploration work of the basement involving tectonic zone.

The utility model relates to the technical field of constructional engineering, in particular to a basement bottom plate anti-floating monitoring drainage pressure relief system which comprises a base soil layer, a building ground, a signal control terminal and a control circuit, a concrete bottom plate is arranged on the outer wall of the bottom end of the building ground, and a concrete cushion layer is arranged on the outer wall of the bottom end of the concrete bottom plate. A water collecting pit is formed in the outer wall of one side of the concrete cushion layer, an electric control water suction pump is installed on the inner wall of the water collecting pit, a second water pipe is inserted into the output end of the electric control water suction pump, a stop valve is installed on the inner wall of the bottom of the second water pipe, and a flow monitor is installed on the outer wall of the top of the second water pipe. A liquid level upper limit sensor is mounted on the inner wall of the top of the water collecting pit; the structure is simple in construction, convenient to operate and easy in quality control, and is matched with the reserved post-cast strip for synchronous construction, so that relevant hidden dangers of early stress cracking, water seepage and the like of bottom plate concrete due to the water pressure jacking effect of underground water are avoided.

An expandable multifunctional integrated-construction skyscraper building platform and a construction method using the same are provided. The expandable multifunctional integrated- construction skyscraper building platform includes: a building foundation part, including an underground level, a basement level and a ground level which form a main body; an external frame part, a bottom of the external frame part being fixed deep into the underground level, and a top of the external frame part running through the basement level and the ground level to reach upper air such that lifting platform parts arranged on the external frame part are capable of going up from the underground level for construction; a transportation elevator part and a three-layer enclosure part, mounted on the building foundation part; a top transfer part, mounted on a Chinese character “Ri” frame at a top of the external frame part; and a carrying tower.

The invention relates to the technical field of basement exterior wall construction, and discloses a basement exterior wall construction method in an ultra-narrow foundation trench environment, which comprises the following steps: constructing a single-side formwork support on the top of a raft plate on the inner side of an exterior wall, transversely fixing a plurality of length-adjustable force transmission supports on the outer side of the single-side formwork support, supporting a pretreatment retaining wall template at the front ends of the force transmission supports, and then pouring a pretreatment retaining wall; a first waterproof coiled material is constructed on the inner side of the pretreated retaining wall in a point bonding mode, and then a reaction bonding type macromolecule wet-laying waterproof coiled material is constructed on the inner side of the first waterproof coiled material; binding an outer wall steel reinforcement framework, assembling an outer wall template and fixing the outer wall template on the single-side formwork support, and then pouring outer wall concrete; under the ultra-narrow foundation trench condition, low construction cost, high construction speed and good construction quality and waterproof effect are achieved, a reference basis is provided for solving similar problems in construction, and green construction is achieved.

The invention discloses a storey-adding construction method for a basement with an existing box type foundation and a multi-layer frame structure, and belongs to the technical field of constructional engineering and city renewing.The storey-adding construction method comprises the following steps that S1, storey-adding buildings of the existing basement are evaluated; s2, underground diaphragm wall construction; s3, reinforcing the existing basement storey-adding building foundation; s4, the overground structure of the existing basement storey-adding building is reinforced; s5, foundation underpinning construction is conducted; s6, earth excavation is conducted at the storey-adding position of the existing basement; s7, construction of a storey-adding foundation bottom plate; and S8, layer-adding underpinning column and top plate construction. According to the storey-adding construction method for the basement with the box type foundation and the multi-layer frame structure, storey-adding transformation is conducted on the basement of an existing building, the usable area of the building is effectively increased, the construction efficiency is improved, the influence on the surrounding environment is reduced, and the urban development and the ever-increasing space requirements of people are met.

The invention relates to the technical field of basement buildings, and provides a basement waterproof structure which comprises a drainage ditch, a filtering grid plate and a drainage pipeline, the filtering grid plate is arranged at an opening of the drainage ditch, and one end of the drainage pipeline communicates with the drainage ditch to discharge rainwater outwards; a standby cavity is formed in the bottom of the drainage ditch and connected with a standby pipeline used for discharging rainwater outwards, a first communication groove communicated with the standby cavity is formed in the bottom wall of the drainage ditch, a cover plate used for opening and closing the first communication groove is hinged to the interior of the drainage ditch, and the cover plate is normally closed in the first communication groove; a buoyancy piece is arranged between the drainage ditch and the cover plate, and when the rainwater level in the drainage ditch rises to the opening of the drainage ditch, the buoyancy piece drives the cover plate to turn over so as to open the first communication groove. According to the basement waterproof structure, the good drainage performance of the drainage ditch can be kept, and the possibility that a basement is flooded is reduced.

The invention relates to a design and construction integration-based early crack control method for a building outer wall, and relates to the technical field of wall crack control, and the design and construction integration-based early crack control method comprises the following steps: reducing hydration heat and self-constriction by reducing cement consumption in concrete and optimizing aggregate gradation, and carrying out regulation and control design aiming at material temperature and material self-deformation; steel bar design is constructed, and reinforcement optimization is conducted according to temperature stress and shrinkage stress in the early stage; temperature and humidity are regulated and controlled in the building construction stage, and concrete inside and outside temperature difference and surface and atmosphere temperature difference are controlled. The early cracking risk and early crack control of the basement concrete outer wall can be reduced, so that the durability of the basement concrete outer wall is improved.

The invention discloses a basement post-cast strip structure which comprises a pit slot and is characterized in that a concrete cushion layer is arranged in the pit slot, a waterproof layer is arranged on the concrete cushion layer, a water stop caulking plate is arranged on the waterproof layer, positioning structures are symmetrically arranged on the two sides of the water stop caulking plate, a supporting screw rod is installed on each positioning structure, and the supporting screws are connected with the pit slot. The number of the supporting screw rods is multiple, every two supporting screw rods are connected with the water stop steel plates in a sleeved mode, each water stop steel plate is fixed through the corresponding plugging structure, each plugging structure is provided with the corresponding supporting structure, the waterproof layer is covered with the water-pressure-resistant cushion layer, and a reinforcing structure is arranged in the water-pressure-resistant cushion layer. The positioning structure, the blocking structure, the supporting structure, the reinforcing structure and the like are used for assisting the water stop steel plate, so that a continuous and compact waterproof blocking structure is formed, permeation of underground water is effectively prevented, and the underground part of a building is protected against damage of water.

The invention provides an underground building attribute information determination method, electronic equipment and a storage medium, and the method comprises the steps: obtaining an underground building image of a target underground building and carrying out the image correction, and obtaining a target underground building image; vectorizing the target underground building image to obtain underground building element images corresponding to the basement plane graph and the pile foundation plane graph; positioning the underground building element image based on the general plan and the topographic map, and determining the position of each building element; and determining attribute information of the target underground building structure based on the position and the element level of each building element. According to the invention, the indoor digital investigation method is adopted, the image and element information of the underground building is digitally acquired, and the digital technology of image correction, vectorization processing and space element positioning is combined for processing, so that the manpower and material resource cost is saved, and the progress and efficiency of underground building investigation are guaranteed.

The invention discloses a maintenance spraying device with a water resource recycling function for a basement shear wall, and relates to the technical field of building maintenance, the maintenance spraying device with the water resource recycling function for the basement shear wall comprises a vehicle body, an electric telescopic rod is installed on the vehicle body, and a water collecting frame is installed on the electric telescopic rod; a recycling box is installed on the water tank, a second pump machine is installed on the recycling box, the second pump machine is connected with the water collecting frame through a first recycling pipe, a drainage pipe is installed on the recycling box, the drainage pipe is connected with the second pump machine through a second recycling pipe, and the water collecting frame is attached to the bottom of the wall surface by starting an electric telescopic rod; and by starting a second pump machine, the first recycling pipe and the second recycling pipe can discharge the water flow in the water collecting frame into the recycling box through the drainage pipe, finally, the water flow in the recycling box can be returned into the water tank through the return pipe, and water resource recycling can be achieved.

The invention relates to the technical field of operation and maintenance management, and discloses a historical building operation and maintenance management method and system based on digital twinning, and the method comprises the steps: building a digital substrate based on historical data and point cloud, dividing a monitoring region according to a bearing structure, value elements and a function space, and associating an identifier. And mapping the operation data to a corresponding component storage space according to the area to which the operation data belongs, and forming a dynamic operation and maintenance file and a monitoring data stream. And performing visual coding on the data stream by taking the acquisition time as a horizontal axis and the spatial topology as a longitudinal axis to generate a spatial-temporal distribution map. And determining an abnormal area according to fluctuation form difference and trend deviation degree of real-time and historical data in the map, and binding identifiers and time periods to generate an abnormal list. Updating the file by taking the list as an index, and matching the disease record with a historical maintenance record to generate an operation and maintenance management scheme; the efficiency of historical building operation and maintenance management based on digital twinning can be improved.

The utility model belongs to the technical field of hanging and supporting formwork structures, and particularly relates to a basement roof post-cast strip butterfly-shaped double-spiral hanging and supporting formwork structure which comprises a supporting outer barrel rod and a supporting screw rod connected to the interior of the supporting outer barrel rod, and the top end of the supporting screw rod is connected with a supporting plate. The butterfly-shaped double-spiral type hanging and supporting formwork structure is placed at the position of a crack of a post-cast strip of a basement top plate, then the supporting plate is in contact with the supporting outer barrel rod, the adjusting spiral block is connected to the top end of the supporting outer barrel rod, the limiting ring is connected to the bottom face of the adjusting spiral block, and the bracket rod barrel is connected to the surface of the supporting screw rod. Meanwhile, the bracket supports the steel pipe beam, the supporting plates at the two ends of the bracket are stretched to drive the limiting grooves in the side edges of the supporting plates to slide along the surfaces of the limiting blocks, and then the nuts are screwed on the surfaces of the screws, so that the transverse size of the bracket is conveniently adjusted, and the hanging formwork structure is conveniently suitable for post-cast strip cracks in different environments; and the practicability of the butterfly-shaped double-spiral type suspended formwork structure is improved.

According to the locatable basement area environment monitoring method based on the Internet of Things, Bluetooth mobile beacons are built in a plurality of monitoring modules, communication between receiving base stations in a basement is combined, and the angle between the Bluetooth mobile beacons and a receiving antenna of a data all-in-one machine can be accurately obtained through an AOA positioning algorithm; the position information of the Bluetooth mobile beacon is trimmed through an Atmann-Z model algorithm, the position information of the monitoring module can be accurately obtained, matching of environment monitoring of the monitoring module and the position information can be accurately obtained by combining the position of the monitoring module and data information collected by the monitoring module, and precise environment monitoring in a basement area is achieved.

The invention relates to a basement water seepage disease detection method based on improved BiSeNet, and belongs to the technical field of constructional engineering. The method includes: acquiring an original basement water seepage image; inputting the original basement water seepage image into the trained basement water seepage disease detection model to obtain a thermodynamic diagram for identifying a water seepage source and an actual water seepage area; wherein the basement water seepage disease detection model is constructed based on improved BiSeNet and comprises a self-adaptive illumination enhancement module, an improved BiSeNet module, a water seepage source identification module and a water seepage area calculation module; the self-adaptive illumination enhancement module is used for preprocessing the original basement water seepage image; the improved BiSeNet module is used for identifying a predicted water seepage area map in the pre-processed basement water seepage image; the water seepage source identification module is used for outputting a thermodynamic diagram which identifies a water seepage source and has the same size as the original basement water seepage image; the water seepage area calculation module is used for obtaining the actual water seepage area. And efficient and accurate basement water seepage disease detection is realized.

The invention discloses a basement ventilation and smoke exhaust system and method based on digital management, and the method comprises the steps: constructing a digital twin architecture comprising a terminal layer, an edge layer and a cloud layer, and carrying out the real-time mapping and interaction of a physical system for basement ventilation and smoke exhaust and a virtual model; carrying out integrated monitoring on the terminal layer by utilizing multiple sensors, and collecting relevant data parameters of ventilation and smoke exhaust of the basement; and a high-integration-level edge computing gateway is adopted to preprocess the collected data. The regional controller adopts a dynamic Bayesian network to fuse the preprocessed multi-source data, and constructs a local environment state model; the edge layer utilizes a deep reinforcement learning algorithm and a digital twinborn model to simulate multiple scenes to carry out state real-time prediction, and generates an emergency plan library; and the cloud layer central server operates a double-track decision engine and performs adaptive adjustment in combination with a deterministic rule base and an adaptive deep reinforcement learning model, and the technical scheme of the invention realizes efficient and accurate ventilation and smoke exhaust cooperative control.

The invention discloses a large-span basement multi-stage water guide and drainage structure and a construction method, and belongs to the technical field of building construction. The drainage guide pipes are hung below a main beam of a basement structure, and every two adjacent drainage guide pipes are connected through a three-way pipe. The two sides of the three-way pipe are in sealed connection with the drainage guide pipes on the two sides through fixing glue respectively, and the other side of the three-way pipe is vertically arranged upwards. The drainage branch pipe is hung below a secondary beam of the basement structure; the water inlet end of the drainage branch pipe is arranged in the dewatering well and connected with a water pump in the dewatering well, and accumulated water in the dewatering well is sucked through the water pump; the water outlet end of the drainage branch pipe is communicated with the three-way pipe between the drainage guide pipes; the water outlet end of the drainage guide pipe closest to the water-collecting well is communicated with the water-collecting well; the water collecting well is sequentially communicated with a peripheral drainage ditch and a municipal pipeline through a pipeline to drain accumulated water. The water guide and drainage system is optimized, and compared with traditional ground pipeline pulling and arranging, the problem that ground pipelines are arranged disorderly is solved, and convenience is provided for construction.

The utility model belongs to a foundation vibration isolation structure suitable for being adjacent to a subway basement in the field of civil engineering, and adopts the technical scheme that the foundation vibration isolation structure comprises double bottom plates and an anti-vibration pad, the double bottom plates comprise an upper bottom plate and a lower bottom plate, and the anti-vibration pad is arranged between the upper bottom plate and the lower bottom plate; the basement outer wall and the enclosure wall form double walls, the basement outer wall is connected with the upper bottom plate, the enclosure wall is connected with the lower bottom plate, and the anti-vibration pad extends upwards to be laid between the basement outer wall and the enclosure wall; the pile head of the uplift pile is fixedly embedded in the lower bottom plate; a waterproof layer is arranged below the anti-vibration pad, and the waterproof layer is arranged between the double bottom plates and the double walls; after construction of the uplift piles and the enclosure wall is completed, a cushion layer, a lower bottom plate, a waterproof layer, an anti-vibration pad, an upper bottom plate and a basement outer wall are sequentially formed from bottom to top. While the anti-floating and waterproof requirements of the basement foundation slab are met, the problem of environmental vibration caused by subway operation is solved, the use space in a building is not affected, and meanwhile the construction cost and the construction difficulty are low.

The invention relates to the technical field of monitoring and early warning, in particular to a basement concrete anti-seepage intelligent monitoring and early warning system which comprises a node monitoring module, a rate screening and judging module, a chain type activation module, an early warning layering module and an information pushing module. According to the method, sudden change nodes are screened through trigger threshold values, sudden change moments are recorded, a chain type conduction path is judged and triggered in combination with node three-dimensional coordinates and Euclidean distance, a space leakage diffusion path meeting response conditions is constructed step by step, meanwhile, periodic continuous statistics is conducted on node humidity states, and early warning time intervals are matched; the spatial positions, the triggering time and the grade information of the risk nodes at the second level or above are pushed to a control center in a structured mode, and space-time positioning, diffusion trend recognition, risk grade layering and early warning response data closed-loop transmission of the water seepage sudden change state are achieved; the dynamic identification capability and the response accuracy of the concrete leakage risk are improved, and the tracking processing effect of an abnormal diffusion mechanism is enhanced.

The utility model relates to a section contraction type column foot of a basement with steel columns inserted downwards. The section contraction type column foot comprises an upper steel column, an upper steel-reinforced concrete column, a variable-section section and a lower steel-reinforced concrete column from top to bottom. The size of the variable cross-section section is gradually reduced from top to bottom, the section is closed when the column foot is inserted into a basement top plate by the depth of 2.5 b (b is the side length of the bottom face of the upper steel column), and the upper section and the lower section of the steel reinforced concrete column and the periphery of the variable cross-section section are matched and formed through concrete pouring. Compared with the prior art, the sectional area of the column foot is reasonably shrunk, the size and the number of basement parking spaces are increased, and meanwhile the structural stress and construction requirements are met; in addition, the beam top elevations at the two ends of the column foot can be inconsistent, the adaptability is wide, and different building functions and spatial layouts can be met.

The invention relates to the technical field of concrete detection, in particular to a concrete hardness detection device for concrete, which comprises a high-pressure sealed cabin mounted at the upper end of a base, a cabin door is mounted on one side of the high-pressure sealed cabin, a drainage pipe is connected to one end of the high-pressure sealed cabin, and a supporting seat is mounted at the center in the base. A plurality of groups of through holes are formed in the surface of the supporting seat, a first pressing plate is slidably arranged at the upper end of the supporting seat, one end of the first pressing plate is connected with a second pressing plate, and a sliding seat is slidably arranged at the lower end of the second pressing plate. The real stress state of the concrete in humid and high-temperature environments such as basements and high-temperature workshops is reproduced, so that the detection result has more engineering reference significance, and meanwhile, the corresponding compression resistance limit of the concrete plate in the corrosion state can be more accurately detected through the combination test of the corrosion environment and gradually increased pressure.

The invention provides an advanced water stop construction method for a post-cast strip of an underground garage. The advanced water stop construction method comprises the following steps: S1, positioning and paying off the post-cast strip; s2, mounting a steel plate water stop belt; s3, an advanced water stop mold is installed; s4, special-shaped water stop bolts are installed; s5, the formwork is closed and reinforced; s6, concrete pouring; the basement exterior wall main body structure concrete is poured for the first time, the post-cast strip shrinkage compensation concrete is poured after maintenance is conducted for 45 days, the strength grade is improved by one grade and is larger than or equal to C35, and the anti-permeability grade is improved by P6-P8; s7, waterproof treatment is conducted, construction is conducted through a double-layer SBS waterproof coiled material full-bonding method, the lap joint length is larger than or equal to 100 mm, and internal and external corners are subjected to arc treatment with the R equal to 50 mm; and S8, quality detection is conducted, capillary crystalline waterproof paint is adopted for reinforcing treatment after forming, a 24-hour closed water test is conducted, and the leakage point is smaller than or equal to 0.5 / 100 m. The installation structure is optimized, the installation speed can be greatly increased, and the construction period is shortened.

The utility model relates to the technical field of constructional engineering, in particular to a basement anti-floating anchor rod construction waterproof structure which is implemented on a soil construction layer and comprises a concrete cushion layer, a concrete waterproof cushion layer, a waterproof roll layer, a concrete protection layer, anchor rod holes, anchor rod sets and a certain number of stirrups. The anchor rod group sequentially penetrates through the concrete protection layer, the waterproof roll layer, the concrete waterproof cushion layer and the concrete cushion layer from top to bottom, the bottom end of the anchor rod group is arranged in the anchor rod hole, and the stirrup is arranged in the anchor rod hole; according to the utility model, leakage of the bottom plate at the anchor rod part can be avoided; the defects of large human influence factors and the like are overcome; operation is simple, and the construction period can be shortened; the cost and the labor cost are saved; environmental pollution is reduced, and construction cost is reduced; the anti-floating anchor rod waterproof construction method is suitable for anti-floating anchor rod waterproof construction of buildings or structures which are large in building size, deep in foundation burying, small in number of building layers, high in waterproof grade requirement and insufficient in structure self-weight to resist buoyancy on underground water.

The invention discloses a basement bottom plate post-cast strip waterproof construction method and structure. The method comprises the steps that a basement bottom plate foundation and a post-cast strip downwards-concave foundation are excavated; concrete cushion layer pouring is conducted, and a basement bottom plate concrete cushion layer and a post-cast strip downward-concave type deformation buffer strip are formed; the basement bottom plate concrete cushion layer is subjected to surface treatment, so that the basement bottom plate concrete cushion layer is kept flat and dry; waterproof construction is conducted on the basement bottom plate concrete cushion layer and the surface layer of the post-pouring cushion layer; reinforcing steel bars of a basement bottom plate and a post-cast strip are bound, and meanwhile a water stop strip steel plate is installed; a basement bottom plate is poured, and then concrete curing is conducted; an advanced water stop structure is arranged at the intersection of the post-cast strip pouring cavity and the post-cast strip; an advanced water stop structure is arranged at the intersection of the post-cast strip pouring cavity and the post-cast strip; concrete structures on the two sides of the post-cast strip are subjected to roughening treatment and coated with a cement-based permeable crystallization type waterproof coating, and concrete pouring forming is adopted. According to the construction method, water accumulation at the bottom of the post-cast strip and cracking of the structure are avoided.