33results about How to "Construction will not affect" patented technology

The invention discloses an inner roof external climbing type formwork construction platform for super high-rise building construction. The inner roof external climbing type formwork construction platform comprises a hydraulic creeping formwork system arranged on the outer side of a building and located on building walls and a jacking platform system arranged on the inner side of the building and located between adjacent building walls. The jacking platform system comprises a climbing device, an operating platform arranged on the climbing device and wall-attached embedder parts installed on the building walls and used for the climbing device to climb and attach. The hydraulic creeping formwork system adopted on a building external wall and the jacking platform system adopted on the inner side of the building and located between the building walls simultaneously operate to replace a traditional integral jacking type construction platform, horizontal supporting steel beams are not needed, oil cylinder climbing can be achieved only by installing the wall-attached embedder parts on the building walls, the total height of the construction platform and a supporting frame body of the platform is decreased, and a construction difference between a vertical structure and a horizontal structure is decreased, so that the hydraulic climbing system does not influence horizontal structure construction.

The invention discloses a synchronous construction method for horizontal and vertical structures of a super high-rise building. According to the synchronous construction method, a hydraulic creeping formwork system is adopted on the outer wall of the super high-rise building, and a jacking platform system is adopted between two building walls on the inner side of the super high-rise building; when being operated at the same time, the two systems can replace a conventional overall jacking construction platform as a construction platform, thereby reducing the overall weight of a construction platform and the burden of a hydraulic jacking system, achieving higher flexibility, and improving the construction speed; as the light-weight jacking platform system is configured, a small-sized oil cylinder can be adopted; accordingly, no horizontal supporting steel beam is needed, oil cylinder climbing can be achieved as long as wall-attached embedded parts are mounted on the building walls, the total height of the construction platform and a supporting frame body can be reduced, the construction gap between the vertical and horizontal structures can be narrowed, and the construction of the horizontal structure can be prevented from being influenced by a hydraulic climbing system; and the jacking platform system adopted on the inner wall of the super high-rise building is prevented from penetrating through the building walls, and the gap between the construction platform and a reinforcing bar colligation operation surface is equal to the height of one floor, thereby achieving convenient reinforcing bar transfer and colligation.

The invention relates to a connecting node of a beam and a column of building steel structures, in particular to a connecting node of a square steel pipe column and H-shaped steel beams for multi-layer and high-rise steel structures. The connecting node comprises a square steel pipe column, H-shaped steel beams and T-shaped steels; the T-shaped steels are arranged on the lateral wall of the square steel pipe column and the upper and lower wing edges of the H-shaped steels; webs of the T-shaped steels are connected with the wing edges of the H-shaped steel beams; and the wing edges of the T-shaped steels are fixedly connected with the lateral walls of the square steel pipe column. According to the connecting node of the square steel pipe column and the H-shaped steel beams, the connecting node is simple in structure, and the problem of construction difficulty in installing an internal separating plate is solved; a plastic hinge shifts outwards and better shock-absorbing property is achieved; the construction of an upper floor and the casting of concrete in the square steel pipe are not influenced; and the steel consumption is low. Therefore, the connecting node has high economic and social benefits.

The invention discloses an embedded optical fiber roadbed settlement observing apparatus, and an observation method thereof. The apparatus comprises fiber grating pressure sensing devices, fiber grating temperature sensing devices, a fiber grating demodulator, a terminal receiving device, a PVC tube, a nylon conduit and a PE protection tube. According to the observation method, the fiber grating pressure sensing devices and the nylon conduit are embedded in soil in advance, and thus, the apparatus overcomes the defect that traditional settlement observation instruments interfere in construction due to burying of the instruments in filling soil for a construction area. During construction and post-construction settlement monitoring of a roadbed, the settlement of one point in the roadbed is converted into changes in the reflection wavelengths of fiber gratings of the fiber grating pressure sensing devices along with soil settlement, so settlement observation means are improved; and the apparatus has the characteristics of simple measurement method, high measurement accuracy, capacity of measuring upheaval displacement and high efficiency.

The invention provides a double-component condensation type encapsulating material convenient for construction. The mixing ratio of a component A to a component B is (4-6): 1. The component A is prepared from the following main raw materials in parts by mass: 100 parts of alpha, omega-dihydroxy polydimethylsiloxane, 0-50 parts of a plasticizer, 50-150 parts of a flame retardant, 10-150 parts of aheat conduction filler and 10-100 parts of other fillers. The component B comprises the following main raw materials in parts by mass: 0.1-5 parts of a catalyst, 100 parts of polyether and 20-100 parts of a cross-linking agent composition, and the component B does not contain linear dimethyl silicone oil or branched chain type dimethyl silicone oil. The viscosity difference multiple of the component A and the component B can be controlled within the range of 5, so that the good matching performance of the pouring sealant and equipment is ensured, the proportional fluctuation of materials during gluing is reduced, and the pouring qualification rate of parts is increased.

The invention discloses a method for installing outdoor process pipelines, relates to a method for installing pipelines, in particular to a method for industrial and mining enterprises to install various process pipelines outdoors. In the method, a ditch is excavated and the pipeline is embedded outdoors. The method comprises the following steps of: a, excavating the ditch, wherein the distance from the edge of the ditch to the edge of an outdoor road is 1 to 1.5m; and the width of the ditch is 1.5 to 2m; b, tamping the bottom of the ditch, and then paving a gravel layer with gravel, wherein the thickness of the gravel layer is 20 to 40cm; c, placing the pipeline on the gravel layer, and covering grain-size fine stone or coarse sand with the thickness of 45 to 55cm on the pipeline; d, covering river sand with the covering thickness of 4 to 20cm on the top of the fine stone or coarse sand, and planting plants on the river sand; and e, arranging a drain pipe at a position, which is closest to a rainwater collecting pit of the road, on the gravel layer at the bottom. Due to the adoption of the method, various pipelines can be flexibly arranged according to the distances of different pipelines; and the fine sand is covered on the surface and the plants are planted, so that the embedding depth of the pipelines can be reduced, the excavating detection of the pipelines is facilitated, and the pipelines can be overhauled and replaced by excavating the coarse sand during the overhauling. By arranging the drain pipe, the rainwater can be effectively removed from the coarse sand, and the pipelines can be effectively protected.

The invention provides a hanging type anti-shaking construction platform and a mounting method thereof and relates to the technical field of building construction equipment. The hanging type anti-shaking construction platform and the mounting method thereof are invented in order to solve the problem that flexibility, safety and economical efficiency of existing construction equipment cannot be taken into consideration completely. The hanging type anti-shaking construction platform comprises a steel structure construction platform body, a supporting frame, vertical steel wire rope sets and anti-shaking steel wire rope sets located on the two sides of the construction platform body. Each vertical steel wire rope set comprises two pairs of first steel wire ropes located on the two sides of the construction platform body, wherein one ends of the first steel wire ropes are connected with the supporting frame, and the other ends of the first steel wire ropes are connected with a building structural beam. Each anti-shaking steel wire rope set comprises two slant intersecting second steel wire ropes, wherein the bottom ends of the second steel wire ropes are connected with the construction platform body, and the top ends of the second steel wire ropes are connected with the building structural beam. The mounting method includes the steps that ejecting parts are arranged on the building structural beam in a sleeving mode and fastened, the construction platform body and the supporting frame are hoisted to the positions below the building structural beam, the bottom ends of the vertical steel wire rope sets are connected with the supporting frame, and the top ends of the vertical steel wire rope sets are connected to the building structural beam through the ejecting parts; and the anti-shaking steel wire rope sets are arranged at the two ends of the construction platform body, the bottom ends of the anti-shaking steel wire rope sets are connected with the construction platform body, and the top ends of the anti-shaking steel wire rope sets are connected with the building structural beam.

The invention belongs to the field of chemical engineering, and provides low-temperature ultrahigh-strength inorganic multi-purpose mortar which solves the technical problems that the function of the mortar is single, and the viscosity of the mortar at low temperature is low in the prior art. The low-temperature ultrahigh-strength inorganic multi-purpose mortar comprises the following components by weight percent: 33%-56% of cement, 2%-6% of calcium oxide, 2%-3% of coal ash, 25%-35% of quartz sand, 0.3%-1% of activating agent, 0.2%-0.5% of early strength agent, 0.2%-0.5% of antifoaming agent, 0.8%-1.5% of water reducing agent, 0.8%-1.5% of consolidation agent and the balance of water. The low-temperature ultrahigh-strength inorganic multi-purpose mortar has the advantages of high strength, adhesion, crack resistance and waterproofness, and obvious extremely good low-temperature work performance.

The invention discloses a fabricated electronic plant side span structure and a construction method thereof. The fabricated electronic plant side span structure comprises a plurality of first prefabricated PC columns, a plurality of second prefabricated PC columns, longitudinal prefabricated rectangular PC beams, transverse prefabricated rectangular PC beams, first prefabricated Z-shaped PC beamsand second prefabricated Z-shaped PC beams. The construction method comprises the steps that first, the longitudinal prefabricated rectangular PC beams are hoisted; second, the first prefabricated PCcolumns and the second prefabricated PC columns are hoisted; third, the transverse prefabricated rectangular PC beams are hoisted; fourth, the first prefabricated Z-shaped PC beams and the second prefabricated Z-shaped PC beams are hoisted; fifth, prefabricated laminated boards are laid; sixth, first prefabricated H-shaped PC beams and second prefabricated H-shaped PC beams are hoisted; seventh, prefabricated lattice beams are hoisted; and eighth, first connection joints and second connection joints are constructed. According to the construction method, the stability of the fabricated electronic plant side span structure is improved, the construction quality of the fabricated electronic plant side span structure is ensured, and the plant construction speed of a fabricated electronic plantis increased.

The invention provides a self-waterproof support pile. The self-waterproof support pile comprises a support pile body, vertical waterproof belts with materials being water swelling rubber are correspondingly arranged on the opposite two sides of the support pile body. According to the self-waterproof support pile, the vertical waterproof belts with the materials being the water swelling rubber arecorrespondingly arranged on the opposite two sides of the support pile body, the vertical waterproof belts are attached to the support pile body, before construction, the vertical waterproof belts are in the contraction state, construction of adjacent support piles cannot be influenced, after construction is completed, water swelling is conducted on the vertical waterproof belts, and gaps are sealed to achieve the effect of sealing up. Therefore, according to the self-waterproof support pile, construction of the adjacent support piles cannot be influenced, gap sealing and the sealing up effect can also be achieved after support pile construction is completed, waterproof curtains can be saved, and the engineering cost is lowered to a certain extent. The invention further provides a self-waterproof support system containing the self-waterproof support pile.

The invention discloses a construction method of a plastic sleeve secant pile. The construction method comprises the following steps of: (1) constructing first pile holes at intervals; (2) putting down first reinforcement cages carrying first plastic hollow pipes into the first pile holes, pouring sand into the first plastic hollow pipes, and pouring concrete into the first pile holes to form first pile bodies; (3) constructing second pile holes between the adjacent first pile holes; (4) putting down second reinforcement cages carrying second plastic hollow pipes into the second pile holes, pouring sand into the second plastic hollow pipes, and pouring concrete into the second pile holes to form second pile bodies; and (5) drilling holes between the adjacent first pile bodies and second pile bodies by adopting a high-pressure rotary jet drill, and spraying cement paste to form cement mortar, wherein the cement mortar connects the adjacent first pile bodies and second pile bodies into a whole. By utilizing the construction method, a supporting wall with good water stopping performance and soil retaining performance can be formed by adopting a single concrete pile body, and a water stopping curtain does not need to be additionally arranged.

The invention provides a construction method suitable for a construction adit entrance area with relatively poor geological conditions, and relates to the technical field of various construction adit entrance constructions. The construction method comprises the steps that a construction adit entrance section area is excavated, and side slopes on the two sides and a front adit face side slope adopt different slope ratios; the excavated side slopes on the two sides are timely subjected to reinforcing mesh hanging and anchor-gunited supporting, and drainage holes are formed in the side slopes; after excavation of the front adit face side slope is completed, slope attaching concrete construction is conducted in time, so that the side slope stability of a front adit face is ensured; construction of an advanced grouting large pipe shed is performed; and construction of an open cut tunnel section of the entrance area is performed, wherein arrangement of a road surface from the open cut tunnel section to a downhill section of an outer side slope is performed, so that it is guaranteed that external rainwater cannot be collected into a construction adit. According to the method, the construction requirement is met, good safety guarantee is provided for subsequent excavation and supporting of an adit body section of the construction adit, the safety construction condition can be improved, and the engineering investment is effectively saved.