JPS59185226A - Concrete barge - Google Patents

Abstract

PURPOSE:To obtain a concrete barge suitable for towing and settling in distant and shallow sea areas by connecting an air supply and discharge tube to an air supplier having an air regulating function and serving to perform centralized control. CONSTITUTION:A barge is divided into plural cells 1 by providing an expandible square diaphragm 2 made of a synthetic rubber for partitioning airtightly the cell 1 into an closed upper air bag 3 and an opened lower space 4 at a position at which the inside of the cell 1 is horizontally divided into two sections. An air supply and discharge tube 5 opening in the air bag 3 is buried in the wall of the cell 1 and connected to an air supplier (not illustrated) having an air supply and discharge function and serving to perform centralized control. Since the barge has a low specific gravity and shallow draft and is free of intrusion of sea water, concrete barge suitable for towing and settling in distant and shallow sea areas can be obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a concrete barge, and more particularly to a concrete barge that is sunk on the seabed to construct marine structures and the like.

Conventionally, when constructing structures such as concrete platforms underwater, the Couson method has often been adopted. However, when constructing a conocrete structure in a remote sea area, the concrete Kuson would be towed out to sea, so it was necessary to make the Kuon a box-shaped structure with concrete walls all over in order to have high strength to withstand waves and prevent seawater from entering.

Therefore, it had the disadvantage that it became heavy and difficult to tow, and the water became deep, making it impossible to tow it into shallow waters.

This invention was made in view of the above circumstances. The purpose is to propose a concrete barge that has a relatively low specific gravity, has shallow water intake, prevents seawater from entering, and is suitable for being towed and sunk in remote or shallow waters.

Hereinafter, the explanation will be given with reference to the illustrated shrine.

This concrete barge B is divided into a plurality of rectangular parallelepiped cells 1 arranged in the horizontal direction, and each cell 1 has an open bottom. The barge B of this embodiment consists of 62 cells (=8 cells x 4 columns), and its dimensions are width 4011 x length 85 m x height 811.

As shown in Figure s4, in the cell 1 constituting this concrete barge Bt, an elastic diaphragm 2 made of synthetic rubber is attached at a position that horizontally divides the cell IP3 into two. This distance M2 has a rectangular shape, and its four sides divide the side wall surface horizontally into two parts, and the multi-cell 1775 is airtightly fixed to the closed air bag 3 in the upper part and the open part 4 in the lower part. Airtightly Ward 9
In the full air bag 3, an air supply/exhaust pipe 5 buried in the cell wall is opened. In addition, a U-cross-shaped reinforcing grid 6 is provided on the bottom surface of the cell.
is the installation.

The air supply and exhaust pipes 5 that open to each cell 1 that makes up the concrete barge Bi are air supply and exhaust pipes! Therefore, as shown in Fig. 5 (α), air is injected into the air bag 3 to fully inflate the cell 1, giving a large buoyant force to the cell 1. Can be granted. Exhaust again and do Figure 5 (6)! :<Reduce buoyancy, conch')−
It can be adjusted to the full buoyancy of the boat.

The outer wall of this concrete barge B, which is in direct contact with the seawater, needs to have a thickness of about i, a m, and the inside of the wall is filled with styrofoam resin 7, and the upper inner surface of barge 1 has a cross shape. Lip 8f: Provided and reinforced to make it thinner.

Moreover, since the bottom of the cell is open, the barge is lightweight and has the required strength. For this reason, although this barge has a capacity of 4681-, when the air bag 3t cell 1 is fully inflated, the water intake is as shallow as 6.5 m.

This concrete barge has the above configuration.

An example of constructing an underwater structure by joining a plurality of these barges will be described below. In Figure 6 (cL), the buoyancy of the lower barge B Lf:l1fr is reduced and the barge is towed into shallow water and is sunk. Upper barge But f6J
Adjust the buoyancy t- as shown in the figure, let the cow dive, and place the top barge BT floating above it with l>- (Figure (C)).
Float the upper barge Buf as it is.

The upper barge Bu placed on the top barge R'J'i and floating is moved onto the lower purge BLO to reduce its buoyancy and sink, and the upper and lower barges Bw, BL and the top purge BT are connected using the connection A.

In this way, multiple barges are submerged and joined together.
Ichiga of creation is #! As shown in Figure 7. The lower and upper barges BL and Bit are both two concrete barges (medium 40fi, length 85m).

Height 81'1) T - Width 8011 when joined horizontally
1 length is 8511 mm and height is 81 L. The lower and upper barges BL*Bu are overlapped with their widths and lengths shifted by 't90', and the foundation piles 9 are driven into the seabed from the two protruding edges of the upper barge Bw, as shown in Fig. 7(b). A wire rope 10 whose tip is anchored to the seabed with a Rocut anchor system, etc., as shown in Figure 7 (CJ).
The structure is stabilized by being locked in place.

Moreover, it is also possible to press mortar into the cell 1 of the submerged concrete barge via the air supply/exhaust v5 and inflate the air bag 3 to the full extent of the cell. Furthermore, when transporting this concrete barge by towing the ocean to distant waters, a steel plate or the like is attached to the bottom of the cell to prevent accidents caused by collisions with obstacles and to reduce resistance during towing.

This invention brings you the following sound effects. ■
There is no intrusion of seawater during towing, and it can be safely towed to remote areas. ■Place in shallow waters where the fresh water is shallow. ■Buoyancy t9. The hook can be adjusted with high accuracy and can be sunk to the ground by softening the impact.

[Brief explanation of drawings]

Figures 1, 2, and 3 are a longitudinal cross-sectional view in the width direction, a longitudinal cross-sectional view in the longitudinal force direction, and a bottom view of the concrete barge of the embodiment;
Fig. 4 is a longitudinal cross-sectional view of the cell with the diaphragm attached in the /J direction; ), <M),
((j), (d) Schematic diagram showing the construction of the underwater structure by joining and sinking the concrete barge, Figure 7 (α), (su, (C) μ) Plan view of the underwater structure ,A'
-A@ side view and BB sectional view. 1... Cell 2... Diaphragm 3...
... Air bag 4 ... Opening part 5 ...
Supply and exhaust pipe 6... Reinforcement grid 7... Styrofoam resin 8... Rib 9... Foundation pile lO... Wire rope B...・/(-ji BL...Lower barge Bu...Top barge BT...Top purge Fig. 6(a) R1+ (b) LI (d) Fig. 7-1 (b) Only 11

Claims (1)

[Claims] (1) The interior is divided into multiple cells, and each cell has a
A concrete exchange barge characterized in that an iJ is opened and has an air bag therein, and each air bag is connected to an air supply device having an air supply/exhaust adjustment function.