A method of manufacturing an orthotropic deck panel includes securing a rib member in a first fixture, beveling an edge surface of the rib member while the rib member is secured in the first fixture, and releasing the rib member from the first fixture, attaching the rib member to a deck plate, and attaching a floor beam to the rib member and the deck plate.

A method of manufacturing an orthotropic deck panel includes securing a rib member in a first fixture, beveling an edge surface of the rib member while the rib member is secured in the first fixture, and releasing the rib member from the first fixture, attaching the rib member to a deck plate, and attaching a floor beam to the rib member and the deck plate.

An adjustable structural connectiona connection which can be adjusted to alter the location and angle of member attachmenttransforms the traditional notion of connections as a static means of connecting members at specific angles to a dynamic means of assembling a variety of structurally efficient forms. The adjustable connection connects a diagonal member to a vertical or horizontal member using either curved plate mounted to both of the structural members or a temporarily rotatable link. The adjustable connection can be used in a kit-of-parts type system, using multiple versions of the adjustable connection, which can join members at a wide variety of angles using a small number of unique components.

A gangway comprising a fixed platform. A support structure is connected to the fixed platform in a manner that allows the support structure to rotate with respect to the fixed platform. A releasable position locking assembly that inhibits rotation of the support structure in a raising direction is also provided. The releasable locking assembly includes a closed-loop fluid arrangement.

A gangway comprising a fixed platform. A support structure is connected to the fixed platform in a manner that allows the support structure to rotate with respect to the fixed platform. A releasable position locking assembly that inhibits rotation of the support structure in a raising direction is also provided. The releasable locking assembly includes a closed-loop fluid arrangement.

An industrialized construction process is provided in which the filling material (8) is poured in situ on empty segments (3) prefabricated ex situ. The process comprises the prefabrication of empty segments (3) including the assembling of steel reinforcement elements (9) and assembling fixing elements (4) whereby these comprise rigid elements (22) and at least part of the moulds (13), which occur at a location (5) ex situ; transport and placement of the empty segments (3) in the final position in the structure (1); pouring the filling material (8); consolidation or curing of the filling material; prestressing the structure (1); and removal of the moulds (13) and fixing elements (4). The present invention also relates to a construction system adapted for carrying out the construction process.

An industrialized construction process is provided in which the filling material (8) is poured in situ on empty segments (3) prefabricated ex situ. The process comprises the prefabrication of empty segments (3) including the assembling of steel reinforcement elements (9) and assembling fixing elements (4) whereby these comprise rigid elements (22) and at least part of the moulds (13), which occur at a location (5) ex situ; transport and placement of the empty segments (3) in the final position in the structure (1); pouring the filling material (8); consolidation or curing of the filling material; prestressing the structure (1); and removal of the moulds (13) and fixing elements (4). The present invention also relates to a construction system adapted for carrying out the construction process.

Bridge construction method for a bridge formed by a series of beams placed between slabs, supported by angular profiles affixed to the beams. The method includes the steps of: fixing clips to edges of the upper surface of the beams, placing the beams on their supports, calculating the correct position of the angular profiles according to the shape or position of the beams; joining fasteners on the angular profiles, at an individual height determined according to the calculated positions; affixing the fasteners to the clips, so the angular profiles hang at the edges of the beams placing the slab on the angular profiles and casting concrete on the structure. The slabs are supported by angular profiles joined to the upper surface of the beams through a series of threaded protrusion carrying clips in said upper surface. Fasteners are joined to the clips and affixed to the angular profiles.

A double-ring shaped strong magnet array nonlinear dynamic vibration absorber for vibration mitigation of suspender cables and design method thereof, which belongs to the field of structural vibration control. The installation positions and number are designed according to the demand of vibration mitigation, and usually one is installed at the midpoint of the suspender cable. The vibration absorber consists of the inner and outer magnet ring arrays, the additional weights, the universal wheels and a base. It feeds back the control force in the opposite direction of the motion of the suspender cable during the movement, so that the vibration energy of the suspender cable is transferred to the vibration absorber and thus less is returned to the suspender cable, and the energy dissipated through the friction between the universal wheels and the base, adding air dampers and other measures, etc.

A rigid hanger connecting structure and a bridge structure. The connecting structure includes a rigid hanger and further includes a first connecting portion connected to a top end of the rigid hanger and a second connecting portion connected to a bottom end of the rigid hanger, and the hanger is connected to the first connecting portion and/or the second connecting portion by using a spherical bearing pair. A rotatable connection between the hanger and a bridge structure is implemented to avoid cracking of concrete inside a short hanger, prolonging the service life of a bridge; the connecting ends of the hanger are located within a line of sight range convenient for maintenance, to eliminate a blind zone, improving bridge safety; the hanger can be prefabricated in a factory, shortening construction period and improving efficiency.