JPS5948524A - Construction work of steel tubular sheet pile and spacing holding metal therefor - Google Patents

Abstract

PURPOSE:To quickly construct steel tubular sheet piles by a method in which a metal having functions of spacing and holding sheet piles and also preventing the bilateral rocking of sheet pile is fixed to the upper end portion of the first sheet pile already erected, and the second sheet pile is erected while contacting it with the metal. CONSTITUTION:A spacing holding metal 4 is fixed to the upper part of a steel tubular sheet pile P2 already erected by welding the leg portion of the metal 4. A steel tubular sheet pile P3 to be erected subsequently is hung down from a crane, etc., the peripheral side of the sheet pile P3 is contacted with the concaved contact face 1 of the metal tool 4, and the sheet pile P3 is erected while coupling the coupler of the sheet piles with the guide space 3. In this case, the metal tool 4 acts as a guider to prevent the bilateral rocking of the piles on the line to be set in parallel while keeping the spacing between the sheet piles.

Description

[Detailed description of the invention] The unexploded tsu J relates to the erection method for steel pipe sheet piles and the number of spacing maintenance fittings used therefor, The aim is to provide a construction method with high work safety and work efficiency.

Conventional erection driving of steel pipe sheet piles, etc. on the sea is carried out by placing the steel pipe sheet piles suspended by a pile driving ship at mutual connection points (joints) using the guide material installed on the conductor prior to the erection work. ), but due to sea ridges and waves, it is extremely difficult to align the joints between the steel pipe sheet piles, which is time consuming and highly dangerous from a safety standpoint. Also, since it requires extra work to install on the conductor,
The above-mentioned difficulty in joining work (11), together with the nature of the joining work, makes the efficiency of the work of erecting and driving steel pipe sheet piles very low.

The method of the present invention is a construction method that allows safe and quick pouring without installing on conductor material, and is the first step when installing a large number of steel pipe sheet piles with guides that also serve as joints protruding in the longitudinal direction of the surface. The steel pipe sheet pile of 47j is erected and poured at the specified position i1'j, and the opening is made using this 47j neck'V sheet pile as the foundation;
1'ir! After attaching and fixing the spacing maintenance fitting with the β source 1'u and the 311.1 pipe sheet pile spacing maintenance function and the rocking rock stopper WB that prevents the lines to be laid in a row from swinging in the left and right direction, the Second: The r14 pipe sheet pile is suspended and erected while touching the spacing maintenance fittings, and then the spacing maintenance fittings are attached to the open end of the second steel pipe sheet pile as a base, and this process is repeated. This is a construction method for erection of steel pipe sheet piles.

The maintenance fittings used in the above method are as follows:
It is necessary to provide the tool 11i# with at least the function of preventing the lines to be installed in a row from swaying in the left-right direction and the function of maintaining the steel pipe sheet pile spacing A/fB, and as shown in the figure, a part of the outer peripheral surface of the steel pipe sheet piles is in contact. Ruto 1d! ! Escape space 3 for guide at the innermost part 2 of J part 1
It consists of an abutting head 4 formed with an abutting head 4, and a clamping leg 6 formed with an insertion space 5 for clamping the pipe end wall of the steel pipe sheet pile,
Insertion space 5 of clamping leg 6 and abutment recess 1 of abutment head 4
It is optimal to use a structure in which the clamping legs 6 are vertically fixed to the abutting head 40F surface, with the horizontal distance 7 from the innermost part 2 of the XEN pipe sheet piles being set as the driving interval of the XEN pipe sheet piles.

However, as long as the above-mentioned functions are provided, the advantages of the method of the present invention can be utilized.

For example, as shown in FIG. 5, reinforcing bodies 8, 8' which also serve to maintain the spacing by sandwiching the guide relief space 3 are welded to the steel pipe sheet pile Pl.1. The circumferential surface of two steel pipe sheet piles P to be installed in the next stage is brought into contact with the free ends of the reinforcing bodies 8, 8', and the joints are aligned and installed. The reinforcing bodies 8, 8' are welded and fixed to the steel pipe sheet piles in advance. In FIGS. 3 to 5, 9" indicates a guide that also serves as a joint.

As described above, by the construction method of the present invention, i-, +:, predetermined f+
6 (ii) The foundation with tube board was built and poured at 7th place,
This 't, IIQ pipe sheet pile is equipped with a function to prevent the horizontal movement of the pouring line and a sheet pile spacing function! Since the steel pipe sheet pile is erected while the steel pipe sheet pile is erected while being guided by the spacing maintenance metal fitting f L/, even if the pile driving ship is shaken by undulations or waves on the γiσ plane, the steel pipe sheet pile will remain between 11I' and % maintenance metal fittings. Can it be built smoothly and easily joined while being pressed against the wall? X
You can make 13 combinations. Therefore, there is no need to install on the conductor material, and since it is easy to fit the joints 1Xli during erection, it can be efficiently carried out in an extremely short period of time compared to 31. Erecting the fuze sheet pile - 1τt.

In addition, the maintenance fitting used in the construction method of the present invention is suspended by a crane, etc., and the steel pipe sheet pile pipe is driven with the assistance of a worker so that the escape space for the guide is in line with the guide that also serves as a joint, or is above the guide. Attach to the end. The device is operated by inserting the pipe end wall of the steel pipe sheet pile into the insertion space of the clamping legs that are vertically disposed below the abutting head.

Therefore, when erecting and driving the next steel pipe sheet pile, the suspended steel pipe sheet piles are applied to the abutting recesses so that their guides are located in the guide escape space, and are successively suspended.

At that time, the mutual spacing between the steel pipe sheet piles is maintained, and the mutual guides naturally mesh with each other. Therefore, the worker only has to perform the simple work of guiding the suspended spacing maintenance fittings to the ends of the steel pipe sheet piles and holding down the steel pipe sheet piles for the next erection, and the work is extremely safe and accurate. ,
Moreover, it can be executed quickly. Furthermore, since the spacing maintenance fittings are detachable from the ends of the steel pipe sheet piles, they can be used repeatedly every time the steel pipe sheet piles are erected, which is economical.

[Brief explanation of drawings]

The 11th j is used for the unexploded Iy1 construction method.
ib holding Jt-'s flat (r-row, Figure 2 is a side view, Figure 3 is a built-in plan view of H-7, Figure 4 is the same (ill 1j
Figures ii and 5 are different 1sho 11) planes at the time of construction when using maintenance fittings. 1... Contact recess 2... Innermost part 3... Guide escape space 4... Contact head 6... Insertion space 7... Horizontal direction 1i-il recess 8.8
'...Reinforcement body 9...Guide, Pl, P2
．． P3. ...Steel Pipe Sheet Pile Patent Applicant Asakawa Co., Ltd. Representative Patent Attorney Iwao Sugimoto Patent Attorney Katsunori Sugimoto

Claims (3)

[Claims] (1) When installing a large number of sheet piles with guides that also serve as joints protruding in the longitudinal direction of the surface, first, the first sheet pile is erected and driven in place, and the upper end of the sheet pile is constructed using this sheet pile as a foundation. After fixing the spacing maintenance fittings that have the function of maintaining the sheet pile spacing and the function of preventing the horizontal movement of the piles to be installed in rows, the second sheet pile is suspended by a crane, etc. A method for erecting steel pipe sheet piles, etc., characterized by erecting the piles while touching each other, and then repeating the above operation using a second sheet pile as a foundation. (2) The sheet pile is a JL for which the 11th grade permit is requested in the FFJ pipe sheet pile.
・[) Construction method for constructing steel pipe sheet piles, etc. as described in Paragraph 151 of Paragraph 151. (3) a contact head in which a guide escape space is formed in the innermost part of the contact recess that is brought into contact with a part of the outer peripheral surface of the steel pipe sheet pile;
It consists of a clamping leg (j'l) formed with an insertion space that clamps the entire pipe end wall of the pipe sheet pile, and the horizontal position between the insertion space of the clamping leg and the innermost part of the abutment recess of the abutment head. Hi direction spacing
+i %-: As the driving interval of the sheet piles, the clamping leg j'51 (is vertically fixed on the lower surface of the abutment head).
Spacing maintenance fittings for driving steel pipe sheet piles.