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430 results about "Pontoon bridge" patented technology

A pontoon bridge (or ponton bridge), also known as a floating bridge, uses floats or shallow-draft boats to support a continuous deck for pedestrian and vehicle travel. The buoyancy of the supports limits the maximum load they can carry.

Fast consolidation method of blow-filled soft soil for land reclamation

The invention relates to a fast consolidation method of blow-filled soft soil for land reclamation, comprising the following process steps of: erecting a floating bridge; paving a plastic woven cloth; paving a main pipe and a branch pipe; inserting a plastic drainage plate; embedding a joint and a vacuum degree meter of a vacuum pump and a pore pressure meter monitoring device; paving a geotextile; paving a vacuum film; distributing the vacuum pump and trying to vacuumize; vacuumizing; monitoring construction; and carrying out vacuum water covering united pre-loading and unloading detection, wherein the step of erecting the floating bridge comprises: erecting the floating bridge on the blow-filled soft soil requiring the treatment and building a construction platform and a channel on mud. The invention has the advantages that construction members carry out operations of paving the plastic woven cloth, inserting the plastic drainage plate, laying pipes, paving the geotextile and the like on the floating bridge, thereby the technical problem that the follow-up treatment on the new blow-filled soft soil cannot be instantly carried out by using the traditional soft soil foundation treatment technology is solved, and 2-5 years for consolidating the new blow-filled soft soil naturally before retreatment are saved.
Owner:温州泰昌港湾工程有限公司

Semi-submersible offshore vessel

A semi-submersible offshore vessel (1) exhibiting a first end (2), for example constituting the forward end of the vessel, and a second end (4), for example constituting the aft end of the vessel (1), or vice versa, wherein the vessel (1) includes a substantially rectangular ring-pontoon (6) including a first transverse pontoon section (10) located at the first end (2) of the vessel (1); a second transverse pontoon section (12) located at the second end (4) of the vessel (1), the second transverse pontoon section (12) being parallel to the first transverse pontoon section (10), the ring-pontoon (6) further including two mutually parallel longitudinal pontoon sections (14) extending between the first (2) and the second end (4) of the vessel (1); at least four support columns (16, 18, 20, 22) extending upwardly from respective edge-portions (23) of said ring-pontoon (2), the support columns (16, 18, 20, 22) being arranged in a first column pair (24) located at the first end (2) of the vessel (1) and a second column pair (26) located at the second end (4) of the vessel (1); and an upper deck structure (28) positioned upon the support columns (16, 18, 20, 22). The first transverse pontoon section (10) may also include a vertical mean cross-section area (A) which exceeds the corresponding vertical mean cross-section area (B) of the second transverse pontoon section (12), and the support columns (20, 22) in the second column pair (26) each has a water-plane area (E) which exceeds the water-plane area (D) of each of the support columns (16, 18) in the first column pair (24).
Owner:GVA GONSULTANTS

Folding box, pontoon bridge, erection method, pile foundation load device and load providing method

The invention provides a folding box, a floating bridge, an erection method, a pile foundation loading device and a load providing method, which realize folding and unfolding, and solve the problems of large storage space and transportation difficulty of the box body in the construction. Includes an upper support assembly, a lower support assembly and a side panel assembly arranged between the upper support assembly and the lower support assembly and foldable; The floating bridge comprises a plurality of groups of folding boxes, wherein the folding boxes are inflated in the capsule, the plurality of groups of folding boxes are respectively arranged side by side along the length and width direction of the floating bridge to form a floating bridge, the two sides of the floating bridge are respectively connected with side anchors by side anchor cables, and the adjacent folding boxes are fixedly connected by fasteners; The pile foundation loading device comprises a loading detection loading detection base, a folding box and supporting columns, water injection in a bag of the folding box, one or more loading layers are arranged on the loading detection base, each loading layer comprisesa plurality of groups of folding boxes arranged side by side, and a plurality of supporting columns are arranged between an upper supporting component and a lower supporting component of each group of the folding boxes.
Owner:武汉速安达建筑橡塑制品有限公司

Pontoonless tension leg platform

A pontoonless tension leg platform (TLP) has a plurality of buoyant columns connected by an above-water deck support structure. The design eliminates the need for subsea pontoons extending between the surface-piercing columns. In certain embodiments, the buoyancy of the columns is increased by the addition of subsea sections of increased diameter (and / or cross-sectional area) to provide the buoyancy furnished by the pontoons of the TLPs of the prior art. A pontoonless TLP has a smaller subsea projected area in both the horizontal and vertical planes than a conventional multi-column TLP of equivalent load-bearing capacity having pontoons between the columns. This reduction in surface area produces a corresponding reduction in the platform's response to ocean currents and wave action and consequently allows the use of smaller and / or less costly mooring systems. Moreover, the smaller vertical projected area results in a shorter natural period which enables a pontoonless TLP according to the invention to be used in water depths where conventional TLPs cannot be used due to their longer natural periods. The absence of pontoons in a multi-column TLP also has the added benefit of providing an unobstructed path for risers to connect with the deck of the platform.
Owner:SEAHORSE EQUIP

Modular personal pontoon boat

A modular personal flotation system comprising, at least in part, rigid, seamless, non-woven modules, such as a seat module and various pontoon modules, formed by the process of rotational molding or blow molding, from a Linear Low Density Polyethylene (LLDPE), High Density Polyethylene (HDPE), or similar molding resin. The pontoon modules each have a rigid shape, which makes it both unnecessary to inflate and vastly improves the resistance to loss of flotation, creating safer conditions for the user. The pontoon modules are also tolerant of significant relative pressure changes without substantial deformation or change in its shape. Vent hole(s) formed during the molding process are closed to water ingestion via a low-cost bleeder valve assembly. An integral luggage rack can also be molded as part of the center seat module, positioned behind the seat. Open drain holes molded through the seat module double as slots to receive a backpacking harness. The seat module is removably coupled to the pontoon modules by complementary integrally-formed connection interfaces, or by a system of nylon straps with hook and loop fastening sections, eliminating the need for multiple components and fasteners, thus saving weight, complexity, and cost. In an alternative embodiment, a metal frame module may be interposed between oversized pontoon modules and the seat module to configure a flotation system capable of supporting more weight.
Owner:TILLICUM INT INC

DDMS deep draft column platform

The invention discloses a DDMS heavy draught upright post platform, which belongs to the technical field of ocean engineering and ship engineering, and is applicable to oil gas drilling and producing of an abyssal sea area. The upright post platform is characterized by consisting of four heavy draught upright posts, an upright post of a center well, a heave plate, a transverse pontoon bridge, a soft cabin, an anchoring system, a riser system and a platform upper part, wherein the four heave draught upright posts are arranged on four angular points of a cross section of the platform; the upright post of the center well is arranged in the center of the cross section; a K-shaped beam is arranged on the top of a hard cabin to connect the upright posts and the center well; the heave plate and the hard cabin of the platform are directly integrated into a whole, and are horizontally arranged on the upright posts; the transverse pontoon bridge is arranged on the bottom of the hard cabin to connect each upright post; and the soft cabin in large volume is arranged on the bottom of the platform and is filled with ballast weight. The platform has the advantages that building difficulty and cost of the platform are lower; the structure of the center well makes the upright posts protected; elasticity of global design and use space of the platform upper part are larger; hydrodynamic performance can be improved, so the platform has excellent motion performance; application of a dry-type tree is supported; and the platform is applicable to various conditions of different sea areas and sea conditions.
Owner:DALIAN UNIV OF TECH

Construction program of semi-submersible platform for offshore oil and gas development

The invention discloses a construction program of a semi-submersible platform for offshore oil and gas development, and comprises the following steps: preparing parts, making an upgrade support, and folding a pontoon and a column into a lower part structure; a plurality of elevating brackets are arranged on the exterior of two sides in the longitudinal direction of a main deck, a plurality of elevating brackets are arranged on the hollow position of two sides in the longitudinal direction of the main deck, a lower elevating lifting point is arranged on a position which corresponds to strong structure of the close lower part of the main deck under the elevating brackets of the interior and the exterior, a elevating beam on the top part of the elevating bracket is provided with pressure synchronous elevating equipment which is connected with lower elevating lifting point on the main deck so as to carry out the overall hydraulic synchronizing elevating and lifting on the main deck, the lower part structure of the main deck is moved under thereof to be in place, and the pressure synchronous lifting equipment slowly lowers to enable the main deck to be located on the lower part structure and to be welded and provided with a tube support structure. The invention has simple operation, time saving and energy saving and improved working efficiency.
Owner:COSCO SHIPPING SHIPYARD (NANGTONG) CO LTD
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