32results about How to "Avoid the impact of construction" patented technology

The invention relates to the field of industrial infrastructure and large part installation and provides an electric furnace body lifting and installing process. By adopting the process to install aninsulating plate between a furnace shell and a substrate, external conditions are prevented from influencing construction, the defect that the insulating layer is easily subjected to external force action and damaged is overcome as well when the insulating layer is installed according to a normal installation sequence as the self structure strength of the insulating layer is poor, and insulated installation quality is guaranteed; the influence on furnace lid lifting and installing operation is overcome as well after a factory building roof and a rain-proof system are formed, and the furnace lid can be safely and conciselyeasily lifted and installed; the electric furnace body lifting and installing process comprises furnace bottom insulation and furnace shell inverse installation technologyas well as furnace lid inverse installation and furnace lid installing technology which utilizes mobile lifting equipment and a winch to cooperate with a pulley block.

The invention discloses a construction method of a grouted stone block revetment structure for a sloping dike in a river and sea reclamation area. The construction method comprises the following stepsof a clearing the base layer of the sloping dike, b installing material stopping supports, c piling up the first layer of stone blocks, d piling up the second layer of stone blocks, e piling up the third layer of stone blocks, f conducting overall wetting, g continuously pouring concrete, h dismantling devices and i detecting the quality. According to the construction method, the stone blocks arepiled up layer by layer, after each layer of stone blocks are piled up, a protective measure is taken, it is guaranteed that the surface of each layer of stone blocks is flat, the piling-up gap of each layer of stone blocks is controlled so that the gaps between the layered stone blocks can be gradually reduced from top to bottom, the stone blocks which are piled up layer by layer mutually generate action force, the poured concrete can fully permeate into the gaps between the stone blocks and is solidified, shrinkage cracks are avoided, and it is guaranteed that the concrete can reach the corresponding strength and durability; besides, by the adoption of the construction method, the construction period is shortened, the height of each layer of piled-up stone blocks can be conveniently controlled, and the force borne by each layer of stone blocks is strictly controlled.

The invention provides a construction method of a metro internal-bracing-free track panel shaft. The construction method includes following steps: (1), constructing a diaphragm wall; (2), constructing a foundation pit, and sequentially constructing a top beam and an internal bracing along with excavating; (3), constructing a baseplate, and demounting the internal bracing positioned downmost the foundation pit after strength of the baseplate reaches a certain degree; (4), constructing a side wall of a negative first floor, synchronously constructing a vertical coupled shear wall, a waist beam and a side wall within a range of a negative second floor; (5), constructing a middle plate, reserving a hole for the track panel shaft on the middle plate, and synchronously constructing a vertical coupled shear wall, a waist beam and a side wall within a range of the negative first floor; (7), constructing a top plate, reserving a hole for the track panel shaft on the top plate, and after strength of the top plate reaches a certain degree, demounting the internal bracing uppermost the foundation pit. The construction method has good water stopping effect, so that water leakage is avoided and big influence on surrounding environment during construction is avoided.

The invention discloses a method and a device for constructing large reversed conical shell water towers, and relates to the technical field of building construction. By the aid of the method and the device, the problem of long construction periods of existing modes for constructing large reversed conical shell water towers can be solved. The technical scheme includes erecting protective sheds on the peripheries of certain positions of shafts after the heights of shaft slip forms of the water towers surpass those of water tanks of the water towers and enabling the protective sheds to at least completely cover integral prefabricated platforms of the water tanks in the vertical directions; carrying out water tank prefabricated construction below the protective sheds, carrying out shaft slip form construction above the protective sheds, conveying raw materials for shaft slip form construction and water tank prefabricated construction by the same derrick and synchronously carrying out shaft slip form construction and water tank prefabricated construction. The certain positions of the shafts are not shorter than the water tanks. The method and the device have the advantages that influence of water tower shaft construction on water tank construction can be prevented by the protective sheds, the construction periods can be effectively shortened owing to synchronous construction, and the construction periods of each single water tower can be shortened by a month; the raw materials are conveyed for shaft slip form construction and water tank prefabricated construction by the aid of the same derrick, accordingly, secondary erecting of prefabricated water tank transport systems can omitted, and construction materials and labor power can be saved.

The invention discloses a full-span box girder segment assembling method applied to bridge construction. The full-span box girder segment assembling method comprises the following steps that (1) full-span box girder segments to be assembled are transported to the tail part of a bridge fabrication machine by a girder transporting trolley; (2) a warm shed is arranged on the bridge fabrication machine so that the warm shed completely wraps the whole bridge fabrication machine; (3) the full-span box girder segments are suspended and placed in the preset positions by the bridge fabrication machine, and in addition, a jack is used for carrying out space position regulation so that the full-span box girder segments are placed according to the specified line shape; (4) wet joint steel bars are bound at the end parts of the full-span box girder segments, a wet joint template is installed, and in addition, wet joint concrete is poured; (5) the wet joint concrete is subjected to covering maintenance until the intensity and the elasticity modulus reache the design requirement; (6) the prestress tensioning is carried out, then, the bridge fabrication machine is emptied and forwards moves to pass through a hole, and the assembling of the next full-span box girder segments is carried out; and (7) a maintenance shed is built for carrying out later-period maintenance on wet joints. The full-span box girder segment assembling method has the advantages that the construction in cold weather can be realized under the condition of ensuring the construction quality, and high practical values and promotion values are realized.

The invention discloses a high-pier pouring forming method applied to bridge construction. The high-pier pouring forming method is characterized by comprising the following steps that (1) a heat insulation shed is built; (2) multiple sections of equilong templates are adopted to be superimposed to form a high-pier pier body template inside the heat insulation shed; (3) on the basis of the formed high-pier pier body template, a high-pier pier body with the same height as the high-pier pier body template is poured inside the heat insulation shed in one step; (4) all templates under the topside template are dismounted, and in addition, the topside template is used for the template installation support during the pouring of the lower section of pier body; (5), the pouring height of each section of later high-pier pier body is the sum of the heights of the templates except the topside template in the step (4), and the high-pier pier bodies are sequentially poured until the pouring is completed; and (6) the high-pier pier bodies are maintained in the heat insulation shed to carry out heat insulation maintenance until the final formation is realized. Through the scheme, the high-pier pouring forming method has the advantages that the influence of cold weather on the bridge construction is avoided, the construction quality is ensured, and high practical values and promotion values are realized.

The invention discloses an intelligent ground leveling machine and a leveling method thereof. The intelligent ground leveling machine comprises a leveling machine main body, a laser receiving device, a spouting head, a stopping plate, a plurality of leveling regions, a scraping plate, a sensor and a control system. The upper limitation of the working of the leveling machine is limited by the laser receiving device, an inclined angle of the working of the leveling machine is monitored by utilizing the sensor and working parameters of the leveling machine are adjusted in real time by controlling a plurality of leveling regions through the control system, so that the leveling working in a relatively small area can be realized. The intelligent ground leveling machine has the advantages of small equipment structure, light weight of the whole leveling machine, high precision, energy saving and environmental friendliness and convenience for utilization.

The present invention provides an upstream tailings pond multi-stage independent flood drainage system, which is composed of multi-level sub-flood drainage systems, each sub-flood drainage system consists of 1# flood drainage well, 2# flood drainage well, joint pipe, Concrete base and flood discharge pipe. 2# flood discharge well is located upstream of 1# flood discharge well. The bottom of 1# flood discharge well and 2# flood discharge well are respectively connected to the flood discharge pipe through joint pipes. The joint pipes are buried in the concrete Inside the foundation, the flood discharge pipe discharges the flood water to the adjustment pool outside the reservoir along the horseway or the bottom of the reservoir and the bank slope. The invention reduces the welding range with the anti-seepage membrane and reduces the risk of leakage. At the same time, because the construction does not need to wear the anti-seepage membrane, it can not only be used in new tailings pond projects, but also can be widely used in hidden danger control projects for flood drainage failure Or expansion projects with insufficient flood drainage capacity.

The invention relates to the field of industrial capital construction and large piece installation, and provides an electric furnace hearth insulation and furnace shell inverted installation technology. By adopting the technology for installing an insulation plate between a furnace shell and a base, influence caused by outside conditions to construction is avoided, the defect that an insulation layer is naturally poor in structural strength, and thereby is prone to being damaged by external force during the installation process of a normal installation procedure is overcome as well, and the installation quality of the insulation plate is guaranteed. The electric furnace hearth insulation and furnace shell inverted installation technology comprises the construction technology of installingthe base, the construction technology of installing the furnace shell on the base in a splicing manner, and the construction technology of arranging the insulation plate between the base and the furnace shell in a lining manner.