7 results about "Cross sea" patented technology

This invention relates to the field of intelligent building construction technology, specifically disclosing an intelligent generation system for modular scaffolding erection schemes. The system includes an engineering geometric parameter analysis device, a wind field dynamic simulation device, a physical information neural network prediction device, a wind-resistant reinforcement zone generation device, and a real-time meteorological data access device. By integrating computational fluid dynamics with a neural network embedded with physical constraints, based on a three-dimensional building model and real-time meteorological data, it dynamically predicts wind-induced vibration risks and automatically generates wind-resistant reinforcement schemes conforming to the modular rules of scaffolding. By employing the above technical solution, this invention enables high-precision wind vibration early warning and intelligent optimization of scaffolding systems in extreme environments such as super high-rise buildings or cross-sea structures, improving their inherent safety level and construction feasibility.

The application discloses a wave power generation-anti-collision-anti-scour integrated cross-sea bridge protection system and method, which comprises a bridge pier system, an anchorage scour prevention module wrapped around the outer periphery of the foundation section of the bridge pier system, an anti-collision and energy capturing mechanism arranged on the two sides of the bridge pier system, an energy conversion assembly arranged between the anti-collision and energy capturing mechanism and the anchorage scour prevention module, and a wave power generation mechanism; the energy conversion assembly comprises a lower cantilever energy conversion mechanism, an upper outer energy conversion mechanism and an upper inner energy conversion mechanism; the wave kinetic energy and potential energy are captured through the three energy conversion mechanisms and the anti-collision and energy capturing mechanism, are converted into electric energy through the wave power generation mechanism transmission mechanism, and are converted into electric energy through the generator; the anti-collision and energy capturing mechanism absorbs the ship collision energy and guides the ship trajectory, the anchorage scour prevention module changes the water flow direction to weaken the scour of the bridge pier system, and the wave power generation, ship anti-collision and anti-scour three functions are integrated and cooperatively operated.

This invention discloses a method for hoisting steel anchor boxes with variable spacing for cable-stayed bridge towers across the sea, belonging to the field of bridge engineering. To address the challenges of short working windows at sea and the low precision, efficiency, and slowness of traditional methods, this invention constructs an integrated intelligent hoisting system. By deploying visual markers and positioning anchor points on the tower columns and steel anchor boxes, and combining differential satellite positioning, inertial measurement units, and other multi-source sensors, the precise pose of the steel anchor boxes is calculated in real time under a unified spatiotemporal reference. Artificial intelligence algorithms are used to predict the dynamic trajectory of sea conditions, the ship's hull, and the hoisting process, and a model predictive controller generates crane linkage compensation commands to dynamically suppress wind and wave disturbances. During the near-field installation phase, the system performs trajectory fine-tuning and anti-collision control based on a segment gap database; finally, a three-way hydraulic jack completes millimeter-level precise alignment and locking. This invention achieves an integrated closed loop of perception, prediction, control, and fine-tuning, significantly improving installation accuracy and efficiency, and shortening the time spent at sea.

This invention discloses a cross-sea combined distributed measurement system and method, relating to the field of bridge construction technology. The cross-sea combined distributed measurement system includes multiple instrument platforms and multiple reference platforms. The multiple instrument platforms are spaced apart on one side of the bridge pier, and each instrument platform is equipped with a first total station on its top. The multiple reference platforms are spaced apart between the instrument platforms and the bridge pier, and each reference platform is equipped with a first target on its top. Each bridge pier is equipped with a second total station on its top. The reference elevation of the reference platform is measured using the first total station of two adjacent instrument platforms and the first target of one reference platform. Based on the reference elevation of the two reference platforms, the elevation of the bridge pier is measured using the second total station of one bridge pier and the first targets of the two adjacent reference platforms. By setting up multiple reference platforms and multiple instrument platforms to perform measurements together, the number of instrument platforms set up in the sea is reduced, the construction period is shortened, and the measurement cost is reduced.

This invention belongs to the field of bridge engineering safety assessment technology, specifically a differentiated safety assessment method for cross-sea cable-stayed bridges and suspension bridges in frozen coastal areas of northern China. The method includes the following steps: constructing a differentiated assessment index system, acquiring multi-source heterogeneous data, determining the weights of differentiated indicators, establishing a differentiated safety assessment model, conducting assessments, outputting assessment results, and generating maintenance recommendations. For the structural stress characteristics of cable-stayed bridges and suspension bridges, a multi-level assessment index system containing common and characteristic indicators is constructed respectively. The common indicators include at least environmental indicators, and the characteristic indicators are set according to the key stress-bearing components of cable-stayed bridges and suspension bridges. The assessment method involved in this invention is highly targeted, accurate, and practical.

The application discloses a kind of offshore long-distance suspension bridge and its construction method, from bottom to top include anchor, main cable, float box and bridge deck in sequence, several anchorings are fixed in seabed along the length direction of bridge, several main cables are arranged in seawater along the length direction of bridge, several float boxes are arranged in seawater along the length direction of bridge, bridge deck is set above sea surface, anchor and main cable are connected by anchor cable, main cable and float box are connected by multiple interval arranged float cable, float cable is vertically arranged in the middle of main cable, anchor is located at both ends of main cable, float box provides buoyancy for bridge, girder is arranged on float box, bridge deck is laid on girder.The application discloses offshore long-distance suspension bridge and its construction method, overcome long distance, seawater deep, sea condition is bad, seabed geological condition is harsh and so on, solve the cross-sea fast, efficient traffic transportation.