103 results about "Basement floor" patented technology

The application discloses a one-side formwork structure of an outer wall of a lowered floor area of a residential basement, which comprises a formwork mechanism, a support frame and a support platform, wherein the formwork mechanism comprises a shaped formwork and a non-shaped formwork arranged below the shaped formwork through a connecting piece; the support frame is arranged at one side of the formwork mechanism; the support platform is arranged on a basement floor in a slope state through a support piece; an adjusting gasket is arranged on the support piece and between the support platform and the basement floor, and the thickness of the adjusting gasket gradually increases along the downhill direction of the slope; a plurality of inclined braces are connected with the support platform at one end and connected with the support frame at the other end; and a bottom fixing piece is used for fixing the bottom of the non-shaped formwork. The formwork structure can fully meet the formwork requirement of the basement with different ground slopes, and the problem that the inclined side wall of the lowered floor area is inconvenient to construct is solved by combining the high strength and quick disassembly characteristics of the shaped formwork with the convenient processing and wide application range of the non-shaped formwork.

The invention provides an underground space communication reserved hole wall body later-stage hole communication construction method, an existing prefabricated wall body comprises a main body structure area and a reinforcing structure area, and a water stop opening method is arranged on the butt joint face of the existing prefabricated wall body, and the method comprises the steps that firstly, an automatic lock catch water stop system is installed in the reinforcing structure area of the existing prefabricated wall body, and an automatic lock catch water stop system is installed in the reinforcing structure area of the existing prefabricated wall body; a spherical rubber water stop belt is placed in the water stop opening; secondly, a to-be-built basement soil body is excavated, and to-be-built basement floors are sequentially constructed from bottom to top; 3, taking out the wall body of the hole, and arranging a vertical support at the same time; constructing a first reinforcing column on the left side of the hole; the reserved hole wall body and the existing prefabricated wall body are in butt joint and locked; sequentially taking out each wall body unit, additionally arranging a vertical support, and arranging a second reinforcing column; and fourthly, the reinforcing structure area is constructed, the existing basement floor, the existing prefabricated wall and the basement floor to be built are connected, and the lintels, the first reinforcing columns and the second reinforcing columns form a complete communicating hole.

The utility model relates to a basement floor post-cast strip, which belongs to the technical field of post-cast strips and comprises a wall body, an outer side surface is arranged on the outer side of the wall body, a reinforcement cage is arranged between the wall body and the outer side surface, a protective plate is arranged at one end between the wall body and the outer side surface, and a post-cast strip plate is arranged at the other end between the wall body and the outer side surface. U-shaped mounting frames are inserted into the protection plate at equal intervals, and two ends of the interior of each U-shaped mounting frame are rotationally connected with two-way lead screws. The fixing device has the advantages that the two-way lead screw is rotated to drive the threaded rings at the two ends of the outer side of the two-way lead screw to move in the opposite directions, then the connecting rods can be driven to rotate, the clamping plates in the containing grooves are unfolded, the clamping plates abut against the outer side of the post-cast strip plate, and then the post-cast strip plate and the protection plate can be rapidly fixed; meanwhile, fastening screws do not need to be used in the mode, the situation that the fastening nuts fall off and are lost is avoided, and the connection mode is convenient and fast.

The invention discloses a waterproof construction method for a junction of an underground diaphragm wall and a bottom plate, which comprises the following steps: when a side wall of a first-stage basement is constructed, a waterproof blanket is padded between the side wall and the underground diaphragm wall, and protective clamping plates are respectively arranged on two opposite sides of the upper part of the waterproof blanket; before the bottom plate and the floor slab are communicated, the underground diaphragm wall at the position corresponding to the bottom plate is dismantled to expose the protection clamping plate; a cushion layer of the bottom plate is poured and extends to the detached underground diaphragm wall; the protective clamping plates on the waterproof blanket are removed to expose the upper portion of the waterproof blanket; folding the upper part of the waterproof blanket and laying the waterproof blanket on the cushion layer; and the waterproof layer of the bottom plate is laid on the folded waterproof blanket in an extending mode. The problem that leakage hidden danger exists after through connection due to the fact that an existing through construction method for basements on the two sides of the common underground diaphragm wall is prone to damage a firstly-constructed waterproof structure is solved.

This invention provides a water-stopping device, relating to the field of building waterproofing technology. The water-stopping device includes a water-stopping steel plate and a drain pipe arranged along the length of the water-stopping steel plate. The drain pipe has a drain outlet along its length, allowing groundwater that has seeped onto the upper surface of the water-stopping steel plate to flow into the drain outlet. By installing this water-stopping device, the water-stopping steel plate can be used to seal the interface joint between pre- and post-cast concrete. If the water-stopping steel plate fails to stop the water flow, and the seeping groundwater flows from the interface joint between the water-stopping steel plate and the concrete to the upper surface of the water-stopping steel plate, the seeping groundwater will flow into the drain pipe through the drain outlet and then into a nearby sump. This prevents groundwater seeping through the concrete interface joint from leaking onto the basement floor surface, making the water-stopping device an integrated blocking and draining system with multiple lines of water-stopping defense, significantly improving the water-stopping effect at the post-cast concrete joint.

The present application discloses a reverse construction method for a basement, which relates to the field of building construction and comprises the following steps: excavation of a foundation pit; hoisting of a rigid steel column in the first underground section; casting of the basement top plate, wherein steel support beams are pre-buried in the top plate, and a plurality of soil-taking openings are reserved on the top plate to facilitate construction of the next floor; concealed excavation of the lower layer of the base plate through the soil-taking openings; hoisting of the second rigid steel column in the underground section to the first underground section; installing a hand chain hoist on the rigid steel column in the first underground section; hoisting of the second rigid steel column in the underground section by the hand chain hoist so that the top of the second rigid steel column in the underground section is connected to the bottom of the rigid steel column in the underground section and welded and fixed; casting of the basement floor of the first underground section, with soil-taking openings reserved on the basement floor; repeating the above steps according to the number of floors to be built in the basement; forming the basement floor of the lowest basement floor when construction reaches the lowest basement floor; and sealing the soil-taking openings from bottom to top. The present application helps to shorten the overall construction period.

The present invention relates to the technical field of asphalt and discloses mixing equipment for cold patch asphalt mixture, which comprises the following construction steps: excavating a foundation pedestal to form a foundation pit, trimming the foundation pedestal and then compacting it; constructing engineering piles at the bottom of the foundation pit and waterproofing the engineering piles; installing assembled PC wall panels with an embedded waterproof layer at the bottom of the foundation pit to waterproof the basement structure; providing waterproof joints around the assembled PC wall panels, splicing and combining multiple assembled PC wall panels or dividing and shearing a single assembled PC wall panel according to the area of ​​the area to be constructed, and overlapping two adjacent assembled PC wall panels; in this way, the waterproof membrane can isolate water on the wall panels without affecting the supporting function of the wall panels, effectively preventing water leakage on the basement floor structure, and further improving the stability and waterproof performance of the wall panels.

The invention discloses a basement bottom plate and vertical prefabricated load-bearing component connecting joint and a construction method thereof. The construction method comprises the steps of pile and column splicing, specifically, a prefabricated column and a prefabricated engineering pile are vertically spliced at the preset position of a foundation, and a first vertical embedded rib of the prefabricated engineering pile is mechanically connected with a second vertical embedded rib of the prefabricated column; a waterproof construction step; a bottom plate cushion layer is installed on the top of the prefabricated engineering pile, a waterproof sheet layer is laid on the top of the bottom plate cushion layer, and the waterproof sheet layer is lower than the connecting face of the prefabricated engineering pile and the prefabricated column; and cast-in-place construction is conducted, specifically, transverse ribs of the basement bottom plate are connected with first transverse embedded ribs of the prefabricated columns through mechanical connecting pieces, and concrete with the top higher than the top of the prefabricated engineering pile is poured on the waterproof sheet layer to form the cast-in-place basement bottom plate. Connection joints obtained through the construction method are high in strength and good in reliability, and underground water is effectively prevented from entering the basement and corroding mechanical connection parts.

This invention relates to the field of waterproofing construction technology, providing a phased construction waterproofing method for basement slabs and a protective structure for the construction interval. The phased construction waterproofing method for basement slabs includes: constructing a steel reinforcement cage in the initial construction area, with the main reinforcement extending to a transition zone, which is located in the later construction area near the initial construction area; installing a waterproofing component at the target construction joint, with one end extending to the initial construction area and the other end extending to the transition zone; setting an isolation layer on the portions of the main reinforcement and waterproofing component located in the transition zone; pouring concrete in the initial construction area and the transition zone to cover the steel reinforcement cage and waterproofing component; before the start of later construction, removing the concrete and isolation layer in the transition zone to partially expose the main reinforcement and waterproofing component; and then proceeding with later construction. This design solves the problem in related technologies where the waterproofing effect at the construction joint location during phased construction of basement slabs cannot be guaranteed.

The invention provides a building underground structure full life cycle waterproof method based on an information fitting technology. The method comprises the following steps: firstly, collecting climate data of a region where a building is located in the first 50 years, constructing a building structure model by utilizing ENVI-met software, and simulating waterproof performance under different climate conditions; according to the simulation result, the material ratio and the construction technology of the waterproof scheme are adjusted, experimental verification is carried out, and the scheme is continuously perfected by calculating the error range and the fitting degree until the preset standard is reached. And finally, waterproof construction of a basement bottom plate and an outer wall is conducted in sequence according to the optimized scheme. The system collects climate data, simulates the influence of climate on the building, optimizes a waterproof scheme and performs experimental verification to form a complete waterproof technical system, so that the waterproof reliability and durability of the underground structure of the building are effectively improved, and the requirements of high-waterproof-performance scenes such as a hundred-year cultural relic exhibition and storage building are met.

The invention discloses a construction method and a construction structure of a fabricated post-cast strip protection plate. The construction method comprises the following steps: prefabricating an arc-shaped protection plate; in the construction process of the basement cushion layer, an annular base is synchronously poured on the basement cushion layer; in the pouring process of a basement bottom plate and an outer wall, haunch support cast-in-place structures are synchronously poured on the outer walls under the ground on the two sides of the post-cast strip on the outer sides of concrete on the two sides of the post-cast strip; the bottom of the arc-shaped protection plate is installed on the annular base, and the side wall of the arc-shaped protection plate is installed on the cast-in-place haunch support structure; and grouting is conducted at the connecting position of the arc-shaped protection plate and the annular base and the connecting position of the arc-shaped protection plate and the cast-in-place structure of the cast-in-place haunch support. Based on the measures, the construction difficulty of the post-cast strip protection plate is reduced, the connection strength and waterproof performance of the post-cast strip protection plate are improved, and the construction method has the advantages of being high in construction speed, low in construction cost, short in foundation pit exposure time and safe and reliable in foundation pit.

The utility model discloses a basement bottom plate pouring reinforcing steel bar system which comprises a cushion layer, a reinforcing steel bar net located above the cushion layer and an anti-floating anchor rod, the anti-floating anchor rod comprises an anchoring section, and the anchoring section penetrates through the cushion layer and then is anchored in a foundation soil body below the cushion layer; the lower end of the first supporting section is connected with the anchoring section, and the upper end of the first supporting section vertically extends to the lower surface of the reinforcing mesh; the second supporting section comprises a first horizontal rod located on the lower surface of the reinforcing mesh, a second horizontal rod located on the upper surface of the cushion layer and a connecting rod connecting the first horizontal rod and the second horizontal rod, and the first horizontal rod is bound and fixed to the reinforcing mesh. According to the anti-floating anchor rod, the anchoring and anti-floating capacity of the anti-floating anchor rod can be enhanced, the building safety coefficient and the building quality can be improved, the anti-floating anchor rod can replace horse stool bar construction to serve as a support of an upper-layer reinforcing mesh, and therefore the blanking procedures and the investment of reinforcing steel bars are effectively reduced, the construction cost is saved, and the economic benefits are improved.

This invention relates to the field of building construction technology. To address the technical problem of anti-buoyancy in underground structures under complex hydrogeological conditions, this invention discloses a dual-control system based on drainage anti-buoyancy and dynamic balance of underground buoyancy. The system includes a drainage unit located below the basement floor slab, comprising a drainage ditch or drain pipe to collect and divert groundwater; a sump well connected to the drainage unit to collect the collected groundwater; a drainage pipeline connected at one end to the sump well and at the other end to a rainwater storage tank or municipal drainage network to discharge the groundwater from the sump well; a submersible pump installed in the sump well to discharge groundwater through the drainage pipeline; and an automatic control device electrically connected to the submersible pump to automatically start and stop the pump based on the water level signal in the sump well. The anti-buoyancy control water level of the system is set below the level that can be balanced by the structure's self-weight and additional loads, achieving dual anti-buoyancy control through a combination of structural self-weight, additional loads, and active drainage.

This invention relates to a dewatering well sealing structure and its construction method, comprising a basement cushion layer, a basement floor slab, and dewatering well pipes. The basement cushion layer is provided on the basement floor slab, and dewatering well pipes are vertically installed on the cushion layer and the basement floor slab. A fixing ring is installed on the lower inner side of the dewatering well pipe, and a lower water-stop plate is installed below the fixing ring. A primary seal is filled on the upper part of the lower water-stop plate, and an upper water-stop plate is installed on the primary seal. A secondary seal is filled on the upper part of the upper water-stop plate. This invention features improved water-stopping effect, reduced leakage risk, reduced construction costs, and increased construction efficiency.

This invention relates to the field of building construction technology, specifically to a well sealing device for a building engineering drainage well. It includes a graded sand and gravel layer and a steel casing. A cement well pipe is installed around the outer ring of the graded sand and gravel layer. A quick-setting concrete layer is laid on top of the graded sand and gravel layer. A cushion layer is installed at the bottom of the outer ring of the cement well pipe. A basement floor slab is laid on top of the cushion layer. A micro-expansion concrete sealing layer is laid on top of the quick-setting concrete layer. A water-stop steel plate is fixedly connected to the top of the inner ring of the steel casing, and a water-stop ring is fixedly connected to the outer ring of the steel casing. A support component is installed on top of the micro-expansion concrete sealing layer, and a waterproof component is installed at the bottom of the water-stop ring. Through full welding connection of the steel casing, water-stop ring, and water-stop steel plate, combined with a micro-expansion concrete sealing layer of equal strength to the base slab, a robust and rigid pressure-resistant framework is constructed. This effectively solves the problem of easy cracking and leakage in traditional sealing methods under high-pressure underwater conditions.

This invention relates to a method for dewatering existing basement slabs in high-water-head areas. The method involves pre-drilling holes in the existing slab and installing opening and closing devices to ensure the slab's watertightness and strengthen the connection between the dewatering equipment and the slab, preventing water pressure from breaching weak points in the holes. Simultaneously, two drilling operations are employed during the drilling process to prevent groundwater from escalating and causing hazards after the dewatering channels are opened in high-water-head areas. By installing pressure monitoring pipes, the groundwater level can be monitored in real time during dewatering, allowing for continuous monitoring of the groundwater head and preventing unforeseen events. This method provides strong water-stopping effects after drilling holes in the existing basement slabs in high-water-head areas and facilitates subsequent sealing. This method effectively reduces the groundwater head beneath existing basement slabs in high-water-head areas, thus preparing for the connection between new and old buildings and possessing high engineering practical value.

The present application relates to a kind of water collecting well strong gushing water's guide and discharge steady flow pressure seal and re-plugging processing method in underground engineering waterproofing technical field, to solve the technical problems of difficult grouting, pressure seal easy failure and low pumping efficiency under the condition of strong gushing water.The technical scheme is as follows: after pumping positioning, arrange the flow pressure seal steel plate with drain hole above the gushing point to realize steady flow guide and discharge, then set the frame structure with sandbag or block weight on the steel plate to resist scouring, finally implement wellhead closure, pressure grouting and micro-expansion concrete re-plugging.The present application is mainly used for strong gushing water treatment of water collecting well such as basement floor and foundation pit bottom.

The utility model discloses a staged project basement outer partition wall construction structure which comprises a basement bottom plate, a first-stage outer wall, a second-stage outer wall mechanism, a first-stage top plate and a second-stage top plate, the second-stage outer wall mechanism is provided with a plurality of vertical keels arranged on the basement bottom plate, and the tops of the vertical keels are connected with the second-stage top plate. A plurality of supporting keels are evenly distributed on the side, facing the first-stage outer wall, of the vertical keel, the supporting keels are connected with the first-stage outer wall, and a plurality of horizontally-arranged transverse keels are evenly distributed on the other face of the vertical keel from top to bottom and are parallel to the first-stage outer wall. A cement board with the top and the bottom connected with the second-stage top board and the basement bottom board is fixed to the sides, away from the vertical keels, of the transverse keels, and the cement board, the transverse keels and the vertical keels jointly form a second-stage outer wall mechanism. The construction cost of the basement outer wall constructed by stages is greatly reduced, the leakage risk caused by differential settlement is reduced through the treatment of top plate connection, and the structure can be widely applied to underground construction.

The present invention provides a support structure for the vertical installation of large water pipelines. The support structure includes expansion joints, brackets, vertical limit brackets, a crisscross frame, sliding supports, fixed supports, and cement buttresses. In the support structure provided by the present invention, the eleventh floor is supported by the first and second support assemblies, the bottoms of floors six to ten are supported by the third support assembly, the fifth floor is supported by the fourth support assembly, floors one to four are supported by a crisscross frame, and the basement floor is supported by the fifth support assembly. This support structure can provide reasonable support for large water pipelines and effectively compensate for pipeline deformation.

The invention relates to the technical field of building construction, in particular to a basement bottom plate which comprises a plain soil layer, a pervious concrete layer, a geotechnical cloth layer and a decorative surface layer. The plain soil layer can uniformly disperse load, prevents settlement deformation of an upper layer structure, and has natural water seepage capability. The pervious concrete layer is formed above the top face of the plain soil layer, an existing hydrophobic layer and an existing leveling layer are replaced, the three functions of drainage, leveling and bearing are achieved, the structure of an existing bottom plate is simplified, and cost is reduced. The geotechnical cloth layer covers the top face of the permeable layer, fine particles can be prevented from permeating into the permeable concrete layer, and the permeable rate of the permeable concrete layer is kept. Meanwhile, the geotechnical cloth layer prevents the decorative surface layer from permeating into the pervious concrete layer. And the decorative surface layer is formed above the top surface of the geotechnical cloth layer, so that the aesthetic feeling can be improved, high wear resistance is achieved, and dust raising is avoided.

The concrete vibrator for basement floor construction comprises a pouring pipe, the outer wall of the pouring pipe is fixedly connected with an adjusting structure, and the inner wall of the adjusting structure is fixedly connected with a vibrating structure; the invention relates to the technical field of vibrators. According to the adjusting structure and the vibrating structure, the sliding blocks are arranged to be matched with the arc-shaped sliding rails on the connecting clamps, sliding friction is reduced in combination with the balls on the inner walls of the sliding blocks, so that constructors can easily rotate the U-shaped frame to adjust the operation angle of the vibrating structure, and meanwhile the vibrating structure is driven to horizontally move to adapt to different vibrating point positions; invalid labor in the operation process is greatly reduced, tight attachment of a vibrating structure and the outer wall of a pouring pipe is achieved through cooperation of a connecting clamp, a fixing clamp and a screw of an adjusting structure, pouring and vibrating operation are combined into a whole, a handle sleeve is downwards pushed to drive a connecting ring to move downwards, and the connecting ring is tightly attached to the outer wall of the pouring pipe; therefore, the vibrating plates annularly arrayed on the outer wall of the vibrating rod can be unfolded, and the vibrating coverage range is greatly expanded.

This invention relates to the field of pressure relief hole sealing technology, and discloses a pressure water sealing device for pressure relief holes in basement floor slabs and its construction process, comprising soil layers, cushion layers, and floor slabs stacked together from bottom to top. Through the coordinated operation of a positioning frame, lead screw, rocker arm, and guide sleeve, this invention can quickly adjust the grouting pipe and bladder to the center position of the pressure relief hole. After the bladder expands due to grouting, a mechanical structure directly lifts the bladder to tightly engage it at the end of the pressure relief hole, forming a primary, robust seal. This ensures precise sealing position and structural stability. Simultaneously, a dual sealing mechanism combining bladder expansion sealing and expanded fine aggregate concrete gap sealing is employed. The bladder serves as the core sealing component, first blocking the bottom of the pressure relief hole. Later, expanded fine aggregate concrete with an added early-strength agent is injected into the gap between the grouting hole and the grouting pipe, utilizing the expansion characteristics of concrete to fill the gap and form a secondary seal. This achieves a tight seal from the core hole bottom to the surrounding gaps, reducing the risk of water seepage.

The invention discloses a basement bottom plate hidden drainage structure and a construction method thereof, and relates to the technical field of basement bottom plate drainage, the basement bottom plate hidden drainage structure comprises a drainage main pipe connected to a basement bottom plate and communicated with a water collecting well, and one end of the drainage main pipe is connected with a drainage branch pipe arranged along the periphery of a leakage point; the drainage main pipe and the drainage branch pipes are provided with water permeable holes for underground leakage water to enter, and the drainage main pipe and the drainage branch pipes are wrapped with protective layers. The drainage branch pipes are arranged on the periphery of the leakage point, the drainage branch pipes and the drainage main pipe which are arranged on the periphery of the leakage point are used for discharging underground leakage water on a basement bottom plate into the underground leakage water, and the underground leakage water enters the drainage branch pipes or the drainage main pipe along the water permeable holes and is discharged into the water collecting well. The conditions that leakage water on the basement bottom plate is accumulated and the basement bottom plate cracks and leaks in the later period are prevented, and the problem that the basement bottom plate cracks and leaks in the later period due to large water pressure and large water level change is solved.

A basement bottom plate high-low span area structure construction method for accelerating high-span area construction, comprising the following steps: step 1, retaining wall design; step 2, earthwork slope excavation; step 3, low-span area bottom plate construction; step 4, retaining wall construction; step 5, waterproof construction, profile steel support installation; step 6, earthwork backfilling, low-span area outer wall construction; step 7, high-span area bottom plate construction, low-span area beam plate construction; step 8, high-low span area synchronous construction; the application adds a prefabricated retaining wall and corresponding inclined braces outside the low-span area outer wall, so that the earthwork slope area at the high-low span junction can be backfilled in advance, providing working conditions for high-span area and bottom plate construction, accelerating high-span area construction progress, enabling the high-low span area to be constructed synchronously with the low-span area structure, avoiding various construction problems caused by cross operation, and enabling the retaining wall to be integrated with the low-span area subsequently, increasing structural stability.

The utility model provides a basement terrace elevation and reinforcing mesh height integrated control tool which comprises four height adjusting devices supporting a construction surface, and the four height adjusting devices are sequentially connected with four positioning devices used for determining a terrace pouring forming surface and supporting a reinforcing mesh in a closed-loop mode. The utility model discloses a basement floor elevation control device and aims to solve the quality problems that in the prior art, in the pouring process of a basement floor, the precision of elevation control and reinforcement mesh laying is not high, and the floor possibly cracks, is not flat and has dusting and the like in the later stage, through the design of a height adjusting device and a positioning device and a splicing structure, the construction efficiency and the engineering quality are improved, and the construction cost is reduced. The universality and adaptability of the device are improved, and the device is suitable for various basement floor construction scenes.

The invention relates to a basement bottom plate post-cast strip combining dredging and drainage prevention and removal-free formwork and a construction method. The construction method comprises the following construction steps: (1) post-cast strip water plugging construction; (2) erecting a non-dismantling steel plate net template; (3) dewatering and pressure relief construction of the post-cast strip; (4) sealing construction of the post-cast strip; (5) dewatering construction of the post-cast strip; and (6) blind drain and water-collecting well combined communication drainage construction is carried out. Structural self-waterproofing and active drainage are combined, scientific dredging of underground water pressure is achieved through pressure relief flow guide and three-dimensional drainage technical means, meanwhile, the construction process is simplified through the non-dismantling steel plate net formwork technology, and the construction efficiency is remarkably improved on the basis that structural integrity is guaranteed.

The invention relates to the technical field of building construction, and particularly discloses a basement waterproof construction method which comprises the following steps: 1) dividing a basement into three structures, namely a basement bottom plate, a basement side wall and a basement top plate; (2) corresponding composite waterproof layers are specifically designed for the three independent structures of the basement bottom plate, the basement side wall and the basement top plate respectively; and (3) waterproof construction is conducted on the basement bottom plate, the basement side walls and the basement top plate in sequence. Different waterproof designs are conducted according to different structures of the basement, all the structures of the basement can be effectively waterproof, the corresponding waterproof construction method for the different structures of the basement is perfect, comprehensive and complete waterproof can be conducted on the basement in a limited mode, and the waterproof effect is good. The method has positive guidance and reference significance for basement waterproof construction and is suitable for wide popularization and application.

This invention provides a construction method that allows for the installation of permanent columns before the completion of the foundation structure, enabling the commencement of structural work on the upper floors at an earlier stage. [Solution] The construction method is a method for constructing a building structure (1) for carrying out structural work on the upper floors after the installation of the pressure-resistant slab (10) of the basement floor and before the completion of construction of the basement floor, and includes the steps of: preparing an integrated column (32) by pre-joining a temporary column (20) to be provided on the pressure-resistant slab, a steel member (24) to be joined to the upper end of the temporary column, and a permanent column (26) to be joined to the upper end of the steel member; installing the integrated column on the pressure-resistant slab; and embedding the temporary column and steel member portions of the integrated column with concrete to form a foundation (38).

The invention relates to the technical field of basement water leakage monitoring, in particular to a basement bottom plate water leakage detection device and method for an all-digital life cycle building. According to the basement bottom plate water leakage detection device and method for the full-digital life cycle building, the technical problem that in the prior art, whether a basement leaks water or not cannot be monitored in real time is solved. The invention discloses a basement bottom plate water leakage detection device for a full-digital life cycle building. The basement bottom plate water leakage detection device comprises a sensing cable, the insulating sheet is arranged between the sensing cable and a reinforcing steel bar in the bottom plate and is used for preventing the sensing cable from being electrically contacted with the reinforcing steel bar; according to the basement water leakage monitoring system, the sensing cable, the controller and the data processing platform are arranged, the sensing cable is matched with the data processing platform, whether the basement leaks water or not can be monitored in real time, therefore, automatic monitoring of whether the basement leaks water or not is achieved, related personnel can know the water leakage condition of the basement in time, and potential safety hazards are reduced.

The invention discloses a basement bottom plate settlement post-cast strip dewatering method. The method comprises the steps that firstly, a construction area is cleaned, and bottom plate upper-layer reinforcing steel bars and bottom plate bottom-layer reinforcing steel bars are bent; 2, constructing a cushion groove; 3, paving and sealing a waterproof coiled material; 4, straightening the bottom plate upper-layer steel bars and the bottom plate bottom-layer steel bars, and coating the pipe body of the flow guide pipe with cement-based permeable crystals for multiple times during the process; 5, basement bottom plate settlement post-cast strip hidden acceptance inspection is carried out; 6, pouring a settlement post-cast strip; 7, installing a drainage pipe; and 8, a concrete surface layer for basement ground decoration is poured. The cushion layer groove is formed in the cushion layer bottom plate, the drain pipe provided with the water permeable holes is embedded in the cushion layer groove to collect underground water, the bottom ends of the multiple flow guide pipes sequentially penetrate through the settlement post-cast strip, the waterproof roll and the cushion layer to be communicated with the drain pipe in the cushion layer groove, and bottom plate water can be pressed to the drain pipe along the multiple flow guide pipes; the outdoor wall drainage open trench is used for drainage, underground water is dredged, the bottom plate is decompressed, and the service life of the bottom plate is prolonged.