40results about How to "Tight schedule" patented technology

The invention provides a solidification and stabilization method for mercury in mercury contaminants. The method includes the following steps that (1) mercury contaminant particles with the grain diameter not larger than 5 mm are mixed with soluble sulfide and water, and a first mixture is obtained; (2) the first mixture, cement and water are stirred and mixed, the stirring speed ranges from 20 r/min to 40 r/min, and a second mixture is obtained; and (3), after the second mixture is placed, the treated mercury contaminants are obtained. According to the method, the solidification effect of mercury in the contaminants is enhanced, the cement use amount is reduced on a large scale, the solidification capacity-increase ratio is small, and ready-made construction is rapid; and the leaching concentration of mercury after solidified bodies are stabilized for a long time is low, the mechanical strength of the solidified bodies can meet the requirements of ordinary road paving, and the solidification and stabilization method is suitable for mercury contamination repair projects with the large area, the tight schedule, the simple construction conditions and the low one-time invested cost requirement.

The invention discloses a fabricated integral-type revetment structure on a soft soil foundation. The fabricated integral-type revetment structure comprises a prefabricated vertical plate, a prefabricated base plate and a prefabricated pile foundation. The prefabricated vertical plate is arranged at the top end of the prefabricated base plate, and the prefabricated pile foundation is arranged at the bottom end of the prefabricated base plate. The prefabricated vertical plate and the prefabricated base plate are formed in an integrated casting mode. The prefabricated pile foundation comprises a plurality of prefabricated piles. The top of each prefabricated pile stretches into the prefabricated base plate. A plurality of prefabricated pile holes are evenly formed in the prefabricated base plate, and each prefabricated pile hole and the corresponding prefabricated pile are in one-to-one correspondence. The prefabricated pile holes are located over the corresponding prefabricated piles. The invention further discloses a construction method of the fabricated integral-type revetment structure on the soft soil foundation. According to the fabricated integral-type revetment structure on the soft soil foundation, the prefabricated pile foundation, the prefabricated vertical plate and the prefabricated base plate are adopted to be integrally assembled, a low-pile cap revetment structure is formed together, horizontal force equipollent loads behind a wall are borne by the revetment structure so that the effect of being safe, stable and reliable in structure can be achieved, and the purposes of high efficiency, energy saving, greening and environmental protection can further be realized.

The invention relates to the field of building construction, in particular to a plastic drainage board and a construction method for soft soil foundation drainage consolidation. The plastic drainage board comprises a drainage bracket and a filter membrane. The drainage bracket is composed of an integrally-formed transverse bracket and multiple vertical brackets. The transverse bracket and the vertical brackets are arranged in a manner that the transverse bracket is perpendicular to and intersects with the vertical brackets. Easy-shearing grooves are formed equidistantly in the vertical brackets. The transverse bracket and the vertical brackets are covered with the filter membrane. The plastic drainage board is steady in structure, great in water diversion and drainage performance, and easyto shear, and saves time and labor; the fracture is smooth; and connection with a follow-up drainage pipe can be conducted beneficially. The plastic drainage board is used and applied in the construction method for soft soil foundation drainage consolidation; by means of adopting the construction method, the project quality of the drainage consolidation construction is better, and the progress isfaster; and thus the requirements of projects with short construction periods and high quality requirements are satisfied.

The invention discloses a gravity type fabricated ecological revetment structure comprising prefabricated boxes, a backfill material, a prefabricated base plate and plantation soil materials. The prefabricated boxes of a plurality of grades are arranged on the base plate. The front portions and the back portions of the plurality of grades of the prefabricated boxes are both in step shapes. The plantation soil materials are arranged in the prefabricated boxes. The backfill material is arranged on the back side of the prefabricated boxes. According to the gravity type fabricated ecological revetment structure, on the bank side of a river way good in geological conditions, the prefabricated base plate and the prefabricated boxes are assembled, the front portions and the back portions of the vertically adjacent prefabricated boxes are both arranged in step shapes, and then the gravity type fabricated revetment structure is formed; the horizontal force and other loads behind a wall are borne by the revetment structure, then the functions that the structure is safe, stable and reliable are achieved, and the gravity type fabricated ecological revetment structure also achieves the purposesof being high in efficiency and environmentally friendly and saving energy. The gravity type fabricated ecological revetment structure has the advantages of factorized manufacturing, rapid construction, little resource waste, environmental friendliness and the like. The gravity type fabricated ecological revetment structure is suitable for the places good in geological conditions, high in environmental requirement, limited in work period and has broad application prospects.

The invention provides a treatment method for annularly continuous bead-like karst caves of a tunnel. The method comprises steps of execution of emergency treatment measures, primary support treatment of vault caves, primary support treatment of left-skewback caves and primary support treatment of right-hance caves. The treatment method for the annularly continuous bead-like caves of the tunnel is safe, reliable, scientific, feasible, convenient to construct, economical and reasonable, solves the technical problems in construction of the bead-like caves while the construction duration is short, provides reference for follow-up similar cave treatment especially treatment of the vault caves, and realizes the effects of saving time and labor and facilitating construction.

The invention discloses a method for frequency conversion control of a stone cutting motor. The method includes the steps: (1) a controller extracts current and voltage information of the cutting spindle motor in real time; (2) the controller calculates real-time active power of the spindle motor according to real-time current and voltage of the spindle motor and compares the active power with a nominal voltage of the spindle motor to process correspondingly, and the controller outputs signals to control operating states of the spindle motor or control a feeding motor to increase feed quantity. Using the control method enables stone cutting operations to be more intelligent and more energy saving. The invention further discloses a device for frequency conversion control of the stone cutting motor, and the device comprises a portal frame, the spindle motor, a saw blade, a power source, a controller, the feeding motor, a spindle motor detection device, a strong-current frequency conversion circuit device and a spindle frequency conversion device. The control device has the advantages of accuracy in cutting, high operation efficiency and low cost.

A method and associated apparatus are given for a better approach to the pre-loading technique currently used to improving otherwise unsatisfactory ground conditions so that a site may be used to support an engineered structure or building. The method allows for pre-loading of a site to proceed where there are preexisting buildings on adjoining properties without causing damage to, or interference with, those properties while at the same time allowing full utilization of the building area. This involves using sections of sheet piling to isolate and contain ground movements in the subject site from having any influence on adjacent land, thus preventing damage to neighboring property. Apparatus to effectively support minimal lengths of sheet piling by means of a novel adjustable anchoring system is given. Apparatus for a novel monitoring system to provide comprehensive data on the progress of ground improvement is also given. Both pieces of apparatus are fully recoverable upon completion of pre-loading and are then reusable for similar future work.

The invention relates to a construction process for a pier top section of a hollow thin-walled high pier column. The pier column is constructed by using slip form equipment, wherein the slip form equipment comprises an external mold and an internal mold which is positioned in the external mold. The construction process for the pier top section of the hollow thin-walled high pier column comprises the following steps of constructing an embedded part when the slip form equipment slides to a variable section part of the pier column, wherein the embedded part comprises an embedded steel plate and an embedded reinforcement which is fixed on the embedded steel plate, wherein the embedded steel plate is arranged on the internal side of the pier column; dismantling the internal mold from the pier column; mounting a bracket on the embedded steel plate; mounting a prefabricated variable section template on the bracket; performing reinforcement construction on the pier column; pouring concrete tothe pier column; continuing to lift the external mold; and pouring the concrete to the external mold. According to the construction process for the pier top section of the hollow thin-walled high piercolumn, the method is simple, the labor intensity is reduced and the difficulty coefficient is reduced.

Relating to the field of freeway construction new technologies, the invention provides a novel reconstruction and expansion structure with a side hinge limiting device. The structure consists of precast segmental plates, cast-in-situ wet joints, longitudinal ribs, PRC pipe piles, PHC pipe piles, joint end capping beams, a longitudinal cast-in-situ segment and corrugated steel guardrail stand columns. The precast segmental plates are connected by the cast-in-situ wet joints, the longitudinal ribs are disposed at the downsides of the precast segmental plates, the PHC pipe piles are arranged at the lower ends of the PRC pipe piles, the PRC pipe piles are fixedly arranged at the lower sides of the longitudinal ribs, the longitudinal cast-in-situ segment is disposed between the precast segmental plates and an original roadbed, and the corrugated steel guardrail stand columns are vertically arranged between the original roadbed and the longitudinal cast-in-situ segment. The novel reconstruction and expansion structure provided by the invention can well transfer the vertical load, also can adapt to temperature, automobile braking force and other horizontal loads, has the advantages of strong integrity, good stability, firmness and durability, and slow deformation accumulation, etc., and is conducive to high-speed driving and reduction of maintenance workload.

The invention discloses a large component collaborative machining planning method for a multi-robot collision avoidance coupling planning problem. The method comprises: conducting machining area division on multiple robots; judging the processing load balance of the robot, and optimizing the load balance of each processing partition by adopting a task redistribution process; identifying areas, interfering with other subareas, in all robot subareas, and establishing undirected graph models of all interference areas; generating an interference region priority sequence between any two robots, converting the undirected graph model into a directed acyclic graph (DAG) model, and forming an incomplete scheduling plan of multiple robots; embedding non-interference area tasks into incomplete scheduling represented by the DAG; searching a feasible DAG instance, embedding a non-interference area task, judging the collaborative processing efficiency of the current instance, and accepting a better solution until the expected scheduling optimization target is achieved. An effective method for improving the multi-robot cooperation efficiency and safety is provided for large part machining, and practicability and universality are good.

The invention discloses a permanent magnet power-assisted double-ended vacuum insulation earthing switch. The permanent magnet power-assisted double-ended vacuum insulation earthing switch comprises apositioning mounting plate, a mounting support, an auxiliary contact assembly, a synchronous connecting plate, an insulating pull rod, a substrate plate, a contact spring, a soft connecting line, a vacuum switch tube, a linear bearing, a rack shaft, an insulating pole, a double-thread screw, a screwed plug, a connecting rod, a gear shaft and a permanent magnet chuck, wherein the rack shaft and the gear shaft are mounted on the substrate plate through the mounting support, the positioning mounting plate and the linear bearing; the permanent magnet chuck and the auxiliary contact assembly are arranged between the substrate plate and the synchronous connecting plate; the end of the insulating pole is fixed on the substrate while the vacuum switch tube is mounted inside the insulating pole; and a vacuum degree monitoring sensor is preinstalled at the static end of the vacuum switch tube. The vacuum insulation type technology is reliable, a high-voltage fracture is closed, the journey is compact, the structure is flexible and convenient in overall arrangement, the mechanism is smart, simple and labor-saving, and the mechanical property matched thinking is novel.

The invention discloses a terrace field type ecology landscape lake and a construction method thereof. The bottom of the landscape lake from the center to the bank is in a trend of being gradually risen as a whole, corresponding bottom cofferdams are arranged at a plurality of stages of contour lines at intervals from the center to the bank of the landscape lake, each circle of the bottom cofferdam surrounds the landscape lake for one circle, the landscape lake is divided into a plurality of surrounding lake areas by all bottom cofferdams; sinking water landscape plants are planted at the bottom of the lake. Due to adoption of the stage-shaped bottom cofferdams the bottom of the lake is divided into the plurality of the surrounding lake areas, and together with radial partitioning walls each surrounding lake area is further divided into a plurality of cofferdam blocks. Therefore, in the overall construction process of the landscape lake, sectional soil construction can be implemented,and planting and water injection can be implemented at different times, so that the construction progress is compact, and the construction process is effectively increased. In addition, the sinking plants can be maintained and replaced at an early state at a low primary maintenance water level, so that problems of tedious later plant replenishing and the like after large-scale death of aquatic plants are avoided.

The invention discloses an intelligent train travel recommendation system and method considering accommodation. The intelligent train travel recommendation system comprises an input device and an output device. The input device comprises an inlet for inputting a departure point, several tourist destinations, the shortest travel time of each tourist destination, a departure date and other effectiveinformation. The output device is used for outputting the data, a station, a train number and other information. A center computer and a processor are included. The processor receives data collectedby the input device, processes the data and uploads the data to the center computer through a communication device. Simultaneously, the communication device processes the received command of the center computer and sends the command to the output device. The center computer generates a topological graph, and then explores a feasible travel plan which spends the shortest travel time, satisfies a travel need and considers accommodation, and successively outputs to the output device. A user can acquire an appropriate route travel recommendation, the time on the train can be reasonably used and the all cost of accommodation can be avoided.

The invention provides a method and equipment for providing man-machine interaction resource. Triggering conditions are met; man-machine interaction resource corresponding to the man-machine interaction is confirmed; the man-machine interaction resource is provided in the man-machine interaction page; the man-machine interaction resource is provided automatically in the page as long as the triggering conditions are met; man-machine interaction time is enabled to be more compact and smooth; interaction experience of a user is promoted; besides, the man-machine interaction resource corresponding to the man-machine interaction is confirmed according to the triggering conditions; different man-machine interaction resource can be confirmed based on different triggering conditions, so that follow-up provided man-machine interaction resource is more targeted, diversified and abundant.