603 results about "Waterproofing" patented technology

The invention discloses a waterproof safety evaluation method and system for waterproof engineering, and belongs to the technical field of waterproofing of constructional engineering. According to the method, the waterproof safety level is comprehensively evaluated by determining an engineering structure defect quantitative index, setting a reference crack width Ws, measuring a waterproof material or engineering re-waterproof performance index Wm and calculating a waterproof safety coefficient K = Wm / Ws. The system evaluates grades based on the method, and selects corresponding waterproof materials and construction methods according to engineering importance, expected deformation and service life. According to the invention, concepts of'waterproof performance 'and'waterproof safety coefficient' are put forward for the first time, a quantitative evaluation system oriented to waterproof performance is established, the defects of heavy form and light actual effect of current specifications are effectively overcome, the transformation from'form compliance 'to'performance standard' is realized, the reliability, durability and economy of waterproof engineering are remarkably improved, and the method is suitable for popularization and application. And a scientific basis is provided for engineering design, material selection and acceptance.

The invention relates to an outer wall facade self-adhesion waterproof coiled material continuous paving device and method.The outer wall facade self-adhesion waterproof coiled material continuous paving device comprises a guide rail frame, a moving frame, a driving mechanism, a film uncovering roller, a coiled material containing shaft and a rubber rolling roller, and the driving mechanism, the film uncovering roller and the coiled material containing shaft are all installed on the moving frame; the two ends of the rubber grinding roller are installed below the moving frame through the front-back adjusting mechanism, and the moving frame is arranged on the guide rail frame in a sleeving mode and can move up and down along the guide rail frame under driving of the driving mechanism. The film uncovering roller, the coiled material placing shaft and the rubber rolling roller are all horizontally arranged and can rotate around the self axis, the film uncovering roller, the coiled material placing shaft and the rubber rolling roller are sequentially arranged on the rear side of the guide rail frame from top to bottom at intervals, and the driving mechanism is further in transmission connection with the film uncovering roller and drives the film uncovering roller to rotate. The construction speed and construction efficiency of the outer wall facade waterproof coiled material can be improved, the construction quality of the outer wall facade waterproof coiled material is guaranteed, and the later water leakage hidden danger of a basement outer wall is reduced.

The invention relates to the technical field of on-line monitoring, in particular to a water level on-line detection method and system for water conservancy project waterproofing, and the method comprises the following steps: analyzing water level changes before and after an event, screening abnormal measurement points, recognizing an abnormal region in combination with an excitation signal, and adjusting transmission priority configuration according to data change characteristics. And judging a trend boundary to construct trend structure information, and analyzing a multi-cycle water level record to output a cycle gradient change result. According to the method, through combination of event attributes and the liquid level change relation, abnormal signal identification is optimized, data difference comparison before and after disturbance is utilized, the abnormal area judgment capacity is enhanced, jump trend capture is achieved in combination with the period slope change trend, and a dynamically-adjusted data uploading priority rule is constructed, so that the measuring point channel response has the real-time regulation and control capacity; the accuracy of trend continuation judgment is improved, the water level change direction and the periodic gradient offset state are subjected to association expression, and the dynamic tracking and grading response capability of water level monitoring is enhanced.

Described herein are fascia rail mounts that are attached to a structure, such as a deck. The disclosed fascia rail mounts include threaded rods that mate with holes in a railing post to allow the railing post to be attached to the structure using the threaded rods, the threaded rods extending from a side plate that is adjacent to a fascia beam of the structure. The disclosed rail mounts are attached to the structure prior to applying any layers designed to protect the structure such that the fascia rail mounts, including the threaded rods, receive the protective layers. A waterproof layer can be applied to the structure after the fascia rail mounts have been affixed so that the threaded rods of the fascia rail mounts extend past the waterproof layer without compromising the waterproofing of the structure. In other words, the waterproof layer forms a waterproof barrier even with the threaded rods extending from the fascia rail mounts through the waterproof layer.

This invention relates to the field of deep foundation pit support construction technology, specifically a nested support construction process for deep foundation pit elevator shafts and sump pits. It solves the problem that traditional caisson waterproofing technology is prone to failure due to pit wall collapse in highly permeable gravel strata, making it difficult to create stable construction conditions. The process includes a steel caisson support structure, within which a steel caisson waterproofing structure is nested. This steel caisson waterproofing structure is used in conjunction with the steel caisson support structure for nested construction. This invention, through the nested cooperation of the steel caisson support structure and the steel caisson waterproofing structure, and the injection of a self-compacting concrete filling layer, achieves an integrated support and waterproofing effect during construction. It creates a stable, dry, and enclosed working space in easily collapsible, highly permeable strata, solving the problem of failure of traditional single waterproofing technology and creating safe and reliable conditions for subsequent structural construction.

This invention provides a method for constructing a sidewall without tie rods using interlocking pile support in open-cut tunnels. The method includes: setting foundation pre-embedded bolts; pouring foundation concrete; binding sidewall reinforcement; installing sidewall steel panels and supporting trusses; installing and debugging the sidewall formwork support system; installing and testing the anti-buoyancy system; installing and debugging a multi-target distance sensing steel formwork deformation monitoring system; pouring sidewall concrete; and treating construction joint waterproofing. This invention solves the problem of limited construction space for formwork trolleys in local tunnel construction sections by optimizing the formwork structure system. Compared to traditional large-volume steel formwork installation, it offers lower material costs, more flexible installation and adjustment, and superior anti-buoyancy stability, significantly improving the overall construction progress. Simultaneously, the operational efficiency of the construction joint waterproofing and formwork deformation monitoring system is also significantly improved. This construction technology demonstrates multiple technical advantages in practical applications, including high quality, high efficiency, and high returns, with outstanding application results.

The application belongs to the technical field of waterproofing of building engineering, and provides a high-strength puncture-resistant railway tunnel waterproofing and draining plate and a preparation method thereof, according to mass percentages, raw materials include: 30-35 wt% polyolefin elastomer POE, 40-45 wt% high-density polyethylene, 20-30 wt% antioxidant reinforcing master batch; the antioxidant reinforcing master batch includes, by weight parts: 6-8 parts of nano-SiO2, 20-28 parts of EPDM-g-MS, 60-70 parts of linear low-density polyethylene, 1-3 parts of antioxidant, and 1-3 parts of ultraviolet resistance agent. The railway tunnel waterproofing and draining plate provided by the application not only satisfies all the performances specified in Q / CR562.3-2018, but also has more excellent tensile properties and puncture resistance.

This utility model discloses an instrument with a waterproof structure, including an instrument body and a back cover fixed to the back of the instrument body; a rectangular cover groove on the back of the back cover, a U-shaped groove on the inner wall of the rectangular cover groove, a rectangular through-hole in the U-shaped groove, and a semi-circular wire harness notch on the left inner wall of the rectangular through-hole; a plastic waterproof cover installed in the rectangular cover groove, an integrated U-shaped insert on the top surface of the plastic waterproof cover, and a semi-circular wire harness notch on the left side of the U-shaped insert; this application eliminates the complex process of traditional injection molding and coating waterproof covers that require custom molds for different wire harnesses by adding a plastic waterproof cover that can be adapted to various wire harness outer diameters to the instrument, greatly reducing mold development costs and production preparation time. At the same time, sealing and waterproofing can be completed by simply applying a ring of waterproof glue around the cover, which is simple and easy to operate and has low requirements for the production environment and operator skills.

The utility model discloses a photovoltaic system and a buckle cover type waterproof structure thereof, which belong to the field of photovoltaic technology and comprise a waterproof buckle cover arranged at a gap between two adjacent photovoltaic assembly frames. The waterproof buckle cover comprises a water retaining part which shields right above the gap, a buckle part which extends downwards from the water retaining part and is inserted into the gap, and a sealing part which extends from the water retaining part to two opposite sides of the gap and covers the A surface of the photovoltaic module frame, and the buckle part is buckled and fixed with the B surface of the photovoltaic module frame. And a sealing rubber strip is arranged between the sealing part and the A surface of the photovoltaic module frame. According to the waterproof cover plate, a small gap between the sealing part and the A surface is secondarily blocked through the sealing rubber strip, the waterproof reliability is improved, and therefore compared with a conventional waterproof cover plate, the waterproof cover plate can greatly improve the waterproof effect.

The utility model discloses a fish finder probe, which relates to the technical field of fish finder probes and comprises a fish finder main body, a protective shell assembly is fixedly arranged at the top of the fish finder main body, a probe body is fixedly mounted in the protective shell assembly, and the protective shell assembly comprises a waterproof shell. A heat insulation shell is fixedly installed on the inner wall of the waterproof shell, a buffer air bag is fixedly installed on the inner wall of the heat insulation shell, a waterproof sealing gasket is fixedly installed on the inner wall of the buffer air bag, the heat insulation shell plays a role in heat insulation and heat preservation, and low-temperature damage to the probe body caused by too low temperature in water is prevented; the buffer air bag buffers and absorbs vibration in the fish finding process, components in the probe body are prevented from being damaged by the vibration, the waterproof sealing gasket facilitates sealing and water prevention of the through hole, fish finding operation through the through hole is facilitated, and the connecting base is in threaded connection with the fish finder body. And the first sealing washer and the second sealing washer facilitate improvement of the sealing performance of the connecting screw groove.

1. Name of this design product: Waterproof phone case for underwater photography (M30). 2. Purpose of this design: A waterproof case for underwater mobile phone photography, used to provide waterproofing and assist in multi-tone lighting. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to a steel structure canopy in the technical field of outdoor canopies, which comprises a fixed steel frame and a plurality of pieces of toughened glass, corners of the toughened glass are fixedly connected with the fixed steel frame through fixing components, a gap is reserved between two adjacent pieces of toughened glass, a first water retaining strip is arranged between the two adjacent pieces of toughened glass, and a second water retaining strip is arranged between the two adjacent pieces of toughened glass. The two ends of the first connecting rib are connected with the middle of the first water retaining part and the middle of the first water guide part respectively, the first water retaining strip is embedded in a gap between two adjacent pieces of tempered glass through the first connecting rib, the bottom end face of the first water retaining part abuts against the edge of the tempered glass, and the first water guide part covers the lower portion of the edge of the tempered glass. By means of the structure, waterproof treatment can be effectively conducted between every two adjacent pieces of tempered glass, meanwhile, rainwater inevitably seeping from the gaps can be guided to the front edge of the canopy through the inverted-arc-shaped first water guiding parts, and the structure has the characteristic of modular assembly and good waterproof performance and can be disassembled without damage and reused at the same time.

The invention relates to the technical field of slope supporting construction of constructional engineering, and particularly discloses a redundant and safe reinforced soil structure and a construction method. Reinforced soil is of a multi-step structure and is constructed on a weathered rock foundation; the reinforced soil sequentially comprises a plain concrete foundation, multiple layers of integral steel-plastic geogrids, a graded broken stone drainage layer, a clay water-resisting layer, a waterproof geomembrane, a concrete sealing bottom and plain filling soil from bottom to top, and reinforced concrete panels are poured on the outer sides of the integral steel-plastic geogrids. A reinforced concrete foundation is arranged at the bottom of the reinforced concrete face plate, a cement soil cushion layer is laid at the bottom of the reinforced concrete face plate, drainage holes and pre-embedded steel tie bars are arranged in the reinforced concrete face plate, the pre-embedded steel tie bars and the whole steel-plastic geogrids are bundled up, and a gravel inverted filter bag is arranged in each layer of steel-plastic geogrids. The clay water-resisting layer and the gravel drainage layer are laid to achieve redundant safe water prevention and drainage, the construction period is controllable, and the manufacturing cost is relatively low.

To provide a quantitative sealant evaluation method for selecting an optimum primer that can ensure long-term reliability of waterproofing of joints on the exterior walls of buildings. [Solution] The evaluation method for sealant 10 includes the following steps: a first step of evaluating the adhesion between adherend 11 and primer 12, and the adhesion between primer 12 and sealant 10, for each temperature condition using a movement test on test specimen 1; a second step of determining the tensile stress as a mechanical property of sealant 10 using a static tensile test and determining the complex modulus of tensile deformation of sealant 10 using a dynamic viscoelasticity test; a third step of determining a relationship diagram between the tensile stress of sealant 10 determined in step 2 and the complex modulus of tensile deformation of sealant 10; and a fourth step of judging the suitability of primer 12 using the relationship diagram determined in step 3, based on the adhesive peel strength of primer 12 assuming the usage environment obtained from steps 1 and 2.

The invention relates to a desert area underground engineering active waterproof design use judgment method based on the conditions that the infiltration amount of production and domestic water in a desert area meets the water amount gathering requirement of an underground water system and a water-resisting layer exists in a geological structure. Whether active waterproof measures need to be taken or not is judged by analyzing the ascending speed of underground water in the desert area and combining the designed service life of underground engineering; comprising the following steps: S1, proposing a groundwater rising speed calculation formula; s2, acquiring relevant parameters of a groundwater rising speed calculation formula; s3, calculating the rising speed of underground water; the underground water gathering mechanism of the desert area is determined, an underground water rising speed calculation formula is provided to calculate the underground water rising speed of the area meeting the condition of the underground water gathering mechanism of the desert area, and the waterproof design of the underground engineering is judged and guided according to the design service life of the underground engineering through the underground water rising speed. And active waterproof measures are used to ensure the waterproof requirement within the service life of the underground engineering design.

This invention relates to a device for reducing water leakage at the tunnel portal during shield tunneling in water-rich strata, and pertains to the field of shield tunneling technology. The invention includes a pre-embedded steel ring and an extended steel ring fixed to the pre-embedded steel ring. A fixed ring is arranged circumferentially on the rear side of the extended steel ring, and a set of flaps is arranged circumferentially inside the fixed ring. Each flap is connected to the fixed ring via its own shaft. A rubber ring plate is fixed between the extended steel ring and the fixed ring. A set of tail brushes is fixed circumferentially on the inner circumferential surface of the extended steel ring between the pre-embedded steel ring and the rubber ring plate. One end of the tail brush near the rubber ring plate is fixed to the inner surface of the extended steel ring, and the other end is inclined towards the pre-embedded steel ring. This invention, by placing tail brushes between the pre-embedded steel ring and the rubber ring plate, and filling the tail brushes with tail grease, improves their sealing and water-stopping effect. Combined with the flaps and the rubber ring plate, it achieves two-stage waterproofing, reducing water and sand inflow at the shield tunnel portal.

The present disclosure relates to a waterproof film comprising 40% to 60% by weight of at least one propylene-based elastomer and 40% to 60% by weight of at least one impact copolymer, based on the total weight of the blend composition. The at least one propylene-based elastomer comprises greater than 50 wt% propylene and from about 3 wt% to about 25 wt% units derived from ethylene and / or one or more C4 to C12 alpha-olefins, based on the total weight of the propylene-based elastomer. The film has a thickness of 0.9 mm to 1.5 mm, a tensile force (N / 50 mm) MD and TD of at least 600 as measured by GB / T328.9-2007, a tensile strength (MPa) MD and TD of at least 12 as measured by GB / T328.9-2007, an elongation at break (%) MD and TD of at least 500 as measured by GB / T328.9-2007, a nail surrounding tear strength (N) MD and TD of at least 400 as measured by GB / T 328.18, and a puncture strength (N) of at least 180 as measured by CJ / T 234-2006.

The application relates to the technical field of building materials, and particularly discloses a light self-insulation UHPC roof panel and a forming process thereof. The light self-insulation UHPC roof panel comprises a UHPC structural base plate, an insulation system, a double-seal splicing system and a mechanical connection system; the insulation system is arranged in the UHPC structural base plate, and the insulation system comprises an insulation cavity framework and a vacuum insulation panel (VIP); the vacuum insulation panel is filled and arranged in a cavity formed by the insulation cavity framework; the thickness of the vacuum insulation panel is 35-45 mm, and the heat conductivity coefficient is less than or equal to 0.008 W / (m*K). The application also provides a forming process of the light self-insulation UHPC roof panel. The light self-insulation UHPC roof panel provided by the application can realize the comprehensive effects of light weight, high strength, ultra-low heat conduction insulation and long-acting waterproofing, and is convenient to assemble, efficient to construct, has obvious construction period advantages and has wide engineering application prospects.

This invention discloses a gradient drainage and waterproofing synergistic irregular-shaped roof based on biomimetic principles and its construction method, belonging to the field of civil engineering technology. The invention includes an irregularly shaped curved roof and a roof frame. A skylight is opened in the center of the irregularly shaped curved roof, and an intelligent water collection component is installed. The intelligent water collection component includes a top plate, a water inlet cylinder, a movable turntable, and multiple opening and closing blades. The water inlet cylinder has a lateral water inlet, and the top plate has a top water inlet. The movable turntable is driven by a drive mechanism, causing the opening and closing blades and side plates to open and close synchronously. The irregularly shaped curved roof has a biomimetic layer with a surface featuring microscopic papillary structures and leaf vein guiding channels. Shape memory alloy driven intelligent sealing strips and air pressure driven hollow expansion sealing strips are respectively installed at the skylight and the connection seams between the roof and the frame, and fiber optic strain sensors are embedded. This invention achieves efficient drainage and reliable waterproofing of irregularly shaped roofs through biomimetic gradient drainage and waterproofing synergy, intelligent water collection, and dynamic adaptive sealing, significantly reducing the risk of leakage.

The invention discloses a long-distance small-diameter shield backfilling receiving method, and relates to the technical field of tunnel construction. Retesting the tunnel portal; adjusting the posture of the shield tunneling machine; backfilling in the well; the shield tunneling machine arrives at the tunneling section to receive in the well and tighten the duct piece for water prevention; grouting a tunnel portal; cleaning muck in the well; and disassembling and hoisting out the shield tunneling machine. According to the shield backfilling receiving method, before a working well enclosure structure is broken through shield tunneling, soil filling is conducted, a cover plate is poured on the top of a shield body, water is poured to the current underground water level height, after the enclosure structure is broken through a tunnel portal, water and soil pressure for balancing a tunnel face is provided in the working well, and a shield tunneling machine enters a receiving working well step by step; sealing grouting reinforcement treatment is adopted on the periphery of a tunnel portal, finally, muddy water and filler in a shield well are pumped out, a shield tunneling machine is dismantled, and by means of the principle that water and soil pressure inside and outside a foundation pit is balanced, the shield tunneling machine can be smoothly received, and meanwhile the safety of pipelines on the periphery of a receiving section is guaranteed.

The utility model relates to the technical field of house waterproof equipment, and discloses a steel structure roof waterproof joint sealing treatment mold which comprises a roof, a mold closing mechanism is arranged above the roof, a steel structure column pier is arranged at the top of the roof, a functional box is arranged above the roof, a motor is fixedly installed on the inner wall of the top of the functional box, and a bidirectional mechanism is arranged in the functional box. Two seat holes are formed in the bottom of the functional box, a lifting mechanism is arranged at the bottom of the functional box, a handle is arranged at the top of the functional box, an electric push rod is arranged above the roof, and the top end of an output shaft of the electric push rod is fixedly connected with the bottom of the functional box. Compared with the prior art, the sealing device has the following advantages and effects that by arranging the mold closing mechanism, the two sealing mold bases can be close to each other for mold closing, the sealing glue cavity can be formed through the two sealing glue grooves, and sealing treatment can be conducted on waterproof joints on the periphery of the steel structure column pier by injecting sealing glue into the sealing glue cavity.

The utility model relates to the field of building materials, in particular to a brushing device for building waterproof materials. The utility model aims to provide a brushing device for building waterproof materials, which can be used for brushing building boards with different lengths and comprises a base, support frames and the like, vertical rods are connected to the top of the base in a bilateral symmetry manner, and the support frames are fixedly connected to the top of the base in a front-back symmetry manner. The two-way screw can be driven to rotate by rotating the rotary knob, the two-way screw rotates to drive the sliding block and the placing plates to move towards the inner side, and therefore the distance between the two placing plates can be adjusted according to the length of the building board so as to adapt to the building boards with different lengths, and the sliding frame is pulled back and forth subsequently so that the building boards can be conveniently placed. And the brushing shaft is driven to move back and forth and rotate to brush waterproof materials on the building boards.

This invention discloses a waterproof and heat-insulating cable distribution box, relating to the field of power distribution equipment technology, including a protective component, a heat dissipation component, and a support component. The protective component has a protective box with a cavity interlayer for installing and protecting cable components; the heat dissipation component is located on the top of the protective box for driving air circulation within the box to achieve forced heat dissipation; the base of the support component has a water storage structure that can collect natural rainfall for automatic water replenishment. The cavity interlayer of the protective box contains an absorbent cotton layer, the bottom end of which connects to the water storage cavity in the base. The evaporation of water carries away heat from the box, working in conjunction with the cavity interlayer to isolate external heat and moisture. This invention achieves both high-level waterproofing and heat insulation with efficient heat dissipation, eliminating the need for manual water replenishment, significantly reducing equipment maintenance costs, and improving the reliability of outdoor operation.

The utility model relates to the technical field of building waterproofing, in particular to a sponge city waterproof board which comprises a first waterproof board body, a second waterproof board body is arranged on the surface of one side of the first waterproof board body, and efficient drainage mechanisms are arranged on the surfaces of the first waterproof board body and the second waterproof board body. The surface of the first waterproof plate and the surface of the second waterproof plate are each provided with a high-sealing-performance mechanism, and the interior of the first waterproof plate and the interior of the second waterproof plate are each provided with a corrosion-resistant mechanism. According to the waterproof board, the overall waterproof performance is better when the waterproof board is used, rainwater on the surfaces of the first waterproof board body and the second waterproof board body can be rapidly discharged when the waterproof board is used, and the phenomenon of water accumulation is not prone to occurring when the waterproof board is used; and when the waterproof board is used, the phenomena of water leakage, damage and the like at a splicing seam between the first waterproof board and the second waterproof board can be avoided, so that the service life of the waterproof board is longer.

The utility model relates to the technical field of house waterproofing, in particular to a supporting structure for house repairing, waterproofing and reinforcing, which solves the problem that a gap between two traditional waterproof plates is easy to leak water, and comprises a base, a mounting frame is mounted at the top of the base, and a sealing gasket is arranged at the bottom in the mounting frame. Mounting grooves used for mounting waterproof plates are formed in the two sides of the sealing gasket, a lower pressing plate is slidably mounted at the top in the mounting frame, a plurality of jackscrews used for adjusting the height of the lower pressing plate are connected to the top of the mounting frame through threads, a drainage groove is formed in the bottom of the base, and a baffle is arranged at a drainage opening of the drainage groove. A baffle is arranged on the base, a drainage pipe is installed on the baffle, supporting parts are arranged on the two sides of the drainage groove, a connecting block is arranged on the base and connected with the drainage groove through a bolt, and the drainage groove is provided with an installation hole.

The utility model belongs to the technical field of waterproof of lower room structures, and particularly relates to a waterproof and anti-leakage structure of a basement connection node. In order to solve the problems that complex water seepage paths are difficult to resist, the maintenance cost is increased due to inconvenience in disassembly and maintenance and a waterproof layer is easy to crack due to insufficient deformation coordination of a rigid assembly and a wall body in the existing single-layer waterproof or permanent fixed installation design, the following scheme is provided: the waterproof structure comprises an existing wall body and a newly-built wall body; a multi-stage water seepage blocking path is formed through the inner waterproof layer and the water stop steel plate, and even if a single layer is damaged, underground water pressure can still be effectively resisted; quick disassembly and assembly are achieved through threaded connection and a clamping structure, wall damage is avoided, and the maintenance cost is remarkably reduced; the flexible coiled material and the sealing rubber strip absorb structural deformation displacement, the fixing block embedment design limits displacement of the waterproof belt, long-term stability under dynamic loads is ensured, and the technical problems that a traditional waterproof layer cracks, is difficult to maintain and poor in adaptability are comprehensively solved.

The utility model discloses a sealing rubber strip of a watertight door, which belongs to the field of sealing rubber strips and comprises a fixed mounting strip, and a connecting sleeve is arranged on the fixed mounting strip. A square hole is formed in a connecting sleeve, a cross-shaped supporting frame and a filling square strip are arranged in the square hole, under the condition that the stability of a connecting part is guaranteed, the buffering effect of the connecting part is improved, a buffering anti-collision structure is adopted, a deformation supporting plate is arranged in a deformation hole in a sealing anti-collision strip, and the inclination angle of the deformation supporting plate is gradually increased; the sealing anti-collision strip is matched with the round hole for use, in the closing process of the watertight door, the impact acting force can be dispersed, the buffering and anti-collision effects can be effectively achieved, the integrity of the whole sealing rubber strip is guaranteed, meanwhile, the rebound resilience of the sealing anti-collision strip can be enhanced through the deformation supporting plate, and the sealing performance and the waterproof performance after the watertight door is closed are guaranteed; the wear-resistant outer layer with the sealing rubber sheet is arranged on the sealing anti-collision strip, so that the wear resistance of the sealing rubber strip can be improved, and the sealing rubber strip can be used for a long time.

The utility model provides a waterproof structure for construction of an ultra-deep foundation pit in an urban updated industrial factory building. The waterproof structure for construction of the ultra-deep foundation pit in the urban updated industrial factory building comprises a secant pile body, and a steel pipe pile support is arranged outside the secant pile body; a tube well is arranged on the outer side of the steel pipe pile support. According to the technical scheme, preliminary waterproofing is achieved through tight meshing of the secant pile body; the waterproof performance is improved through the reinforcing effect of the steel pipe pile support; the water level in the foundation pit and the leakage risk are reduced under the assistance of dewatering of the tube well; and finally, construction of multiple waterproof barriers is achieved, and construction safety and foundation pit stability are ensured.

The utility model relates to a node type positioning induction device, which belongs to the technical field of water immersion detection and comprises a shell and an induction line, an end hole for the induction line to penetrate through is arranged on the shell, a circuit board is arranged in the shell, one end of the induction line is electrically connected with the circuit board from the outside through the end hole and used for transmitting induction signals, and a sealant part is further arranged in the shell and used for sealing the induction line. The sealant part wraps the circuit board and the joint of the induction line and the circuit board. According to the node type positioning induction device disclosed by the utility model, the production problem that the waterproof yield of a product is not high due to the fact that a current induction device adopts a rubber coating injection molding mode for waterproofing can be solved.

The waterproof construction structure comprises a floor slab, a drainage pipeline is arranged on the floor slab, the drainage pipeline penetrates through the floor slab, a waterproof mechanism is arranged between the drainage pipeline and the floor slab, a first leveling layer is fixed to the floor slab, a waterproof layer is fixed to the first leveling layer, and a waterproof layer is fixed to the second leveling layer. A second leveling layer is fixed to the waterproof layer, and a surface layer is fixed to the second leveling layer. The drainage pipeline and the floor slab are fixed through a part of structure of the waterproof mechanism, then the first leveling layer, the waterproof layer and the second leveling layer on the floor slab are combined with the waterproof mechanism through alternate construction, the waterproof mechanism and the waterproof layer on the floor slab are connected together, and therefore the joint between the drainage pipeline and the floor slab can be more effectively waterproof; the waterproof range is enlarged, and the possibility of water leakage between the drainage pipeline and the floor slab is further reduced.