CN104271841A - Steel wall - Google Patents

Steel wall Download PDF

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Publication number
CN104271841A
CN104271841A CN201280072877.0A CN201280072877A CN104271841A CN 104271841 A CN104271841 A CN 104271841A CN 201280072877 A CN201280072877 A CN 201280072877A CN 104271841 A CN104271841 A CN 104271841A
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CN
China
Prior art keywords
wall
steel
mentioned
girth member
steel pipe
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Pending
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CN201280072877.0A
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Chinese (zh)
Inventor
永尾直也
田中宏征
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Nippon Steel Corp
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Nippon Steel Corp
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Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to CN201810196043.XA priority Critical patent/CN108330952A/en
Publication of CN104271841A publication Critical patent/CN104271841A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/02Sheet piles or sheet pile bulkheads
    • E02D5/03Prefabricated parts, e.g. composite sheet piles
    • E02D5/04Prefabricated parts, e.g. composite sheet piles made of steel
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E02B3/066Quays
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/24Prefabricated piles
    • E02D5/28Prefabricated piles made of steel or other metals
    • E02D5/285Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Composite Materials (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

Provided is a steel wall for which construction is simple and for which a wall body, made by coupling steel sheet piles capable of readily having high water resistance, is reinforced with steel pipes or steel H-beams. A wall body (4) is provided by coupling a plurality of hat-shaped steel sheet piles (1) by way of joints. Steel pipes (2) for reinforcing the wall body (4) are provided lined up along the lengthwise direction of the wall body (4). Gaps are provided between the wall body (4) and the steel pipes (2). The wall body (4) is formed as a steel sheet piling wall in a corrugated shape that repeats concavity and convexity in the lengthwise direction. The steel pipes (2) are disposed so as to fit partially into the concave portions of the wall body (4). The top of the wall body (4) and steel pipes (2) are coupled. The coupling of the wall body (4) and steel pipes (2) is by way of concrete. Load transfer occurs between the wall body (4) and steel pipes (2). Thus, a steel wall (3) can be structured to receive and distribute the acting earth load or water load to the wall body (4) and steel pipes (2).

Description

Steel wall
Technical field
The present invention relates to a kind of for water and soil conservation, cofferdam, shore protection, fill, the steel wall of dykes and dams etc.
Background technology
In the past, steel sheet pile, steel pipe sheet pile be used for water and soil conservation, cofferdam, shore protection, fill, the various fortification of dykes and dams etc.Steel sheet pile and steel pipe sheet pile use respectively according to required rigidity.Usually, even if steel sheet pile uses when rigidity is lower also passable, steel pipe sheet pile uses when rigid requirements is higher.
At this, the spacious and comfortable amount of the joint of steel pipe sheet pile is larger than the spacious and comfortable amount of the joint of steel sheet pile.Thus, when requiring sealing when building cofferdam, shore protection etc., the method that packed cement mortar is filled in joint space is typically employed in.The method, when the waterfront environment for bay, river etc., likely causes the mortar when the bag filling mortar is damaged to flow out.In addition, be full of water because bag gap each other can become, be therefore not necessarily suited for the purposes of being strict with sealing.
Therefore, as the countermeasure of being strict with when the dash shore protection as offal treatment field, sea etc. etc. when preventing the water of Treatment stations inside from leaking, propose there is following scheme.That is, propose to have and Leakage prevention measure is implemented to the joint space of steel pipe sheet pile and the filler of mortar etc. is directly filled in the scheme (for example, referring to patent document 1) of the structure in this joint space.When so filling mortar, after being driven underground by steel pipe sheet pile, need to carry out to discharge the soil of joint inside by high-pressure water jet etc. husky thus by mortar, the work of bag-shaped filled with mortar in joint.Thus, the shortcoming that the site work that there is steel pipe sheet pile is wasted time and energy.
To this, although the rigidity of steel sheet pile is lower than the rigidity of steel pipe sheet pile, sealing is excellent, and the play of blank area is little, even if sealing is also than the height of steel pipe sheet pile under the state not implementing any measure.In addition, by the bloating tendency sealing material of prior butt joint application, the sealing of steel sheet pile can also be improved further.By the method, except the equal above sealing performance of the steel pipe sheet pile that can play with implement above-mentioned measure, the labour of site work can also be saved.
Therefore, as the technology of rigidity improving steel sheet pile, be known to utilize pull bar link as shore protection steel sheet-pile wall and be located at than the steel sheet-pile wall of shore protection by the rod-pulling type such as rod-pulling type steel sheet pile bulkhead of the pillar of the position of side, land.
In the steel sheet-pile wall of rod-pulling type, in order to steel sheet-pile wall and the longer pull bar of pillar be linked, need larger construction space.
In addition, equally in the steel sheet-pile wall of rod-pulling type, owing to steel sheet-pile wall and pillar being linked with longer pull bar, pull bar is merely able to transmit pulling force and can not transmit compressive force.
And, as the technology of rigidity improving steel sheet pile, propose to have and adopt H profile steel is integrated with U-shaped (shape for hat) steel sheet pile of formation body of wall and strengthen the scheme (for example, referring to patent document 2) of the combined steel plate pile of rigidity.Section area change due to the combined steel plate pile of this spline structure is large and resistance when setting becomes large, and therefore construction method is limited.Especially, the construction on hard ground becomes difficult.
Therefore, in order to construct on hard ground, consider to adopt the construction method employing the earth auger (excavating gear) undermined.But the cross sectional shape due to combined steel plate pile crosses over scope extensively, therefore needs to study the countermeasure.As an example of this countermeasure, when closely erection is similar to the combined steel plate pile of the structure of the combined steel plate pile of patent document 2, propose there is the scheme (for example, referring to patent document 3) adopting construction method shown below.That is, propose to have to cross over when setting combinations thereof steel sheet pile with the scope of earth auger excavation with before being closely erected at this combined steel plate pile by set combined steel plate pile time the mode of scope excavated with earth auger set the scheme of the construction method of combinations thereof steel sheet pile.
Prior art document
Patent document
Patent document 1: Japan Patent No. 3756755 publication
Patent document 2: Japanese Unexamined Patent Publication 2002-212943 publication
Patent document 3: Japan Patent No. 4074241 publication
Summary of the invention
the problem that invention will solve
As mentioned above, as the rigidity of steel wall, the rigidity of steel pipe plate piling wall is higher than the rigidity of steel sheet-pile wall.But the sealing performance of the joint of steel sheet-pile wall is easier than the sealing performance of the joint of steel pipe plate piling wall to be improved.
Therefore, as shown in above-mentioned patent document 2, by by the steel sheet-pile wall of shaped steel combination at easy raising sealing performance, the steel wall having both rigidity and higher sealing performance can be built.
But by combined steel plate pile and shaped steel, section area becomes large.Thus, as mentioned above, the construction method that can use is restricted.
At this, consider to make steel sheet pile and shaped steel become the state contacted, and with the steel sheet-pile wall (body of wall) that section steel reinforcement is formed by steel sheet pile, and do not become the girth member of steel sheet pile and shaped steel etc. to be bonded into and be integrated.In this case, also can construct individually to the girth member of shaped steel etc. and steel sheet pile respectively.But, when constructing individually to steel sheet pile and girth member respectively, for the component of formerly constructing, when making to set under the component of rear construction and the state of the member contact of formerly constructing to produce following problem when the component of rear construction.That is, due to the slip resistance of steel sheet pile and girth member, needing larger power when setting, in addition, likely producing noise, vibration.According to construction precision, any one of these steel sheet piles and girth member has the possibility producing distortion.In addition, in order at the component making to set under the component of rear construction and the state of the member contact of formerly to construct in rear construction, after the construction method of component that sets be restricted.Such as, be difficult to the steel pipe rotary as girth member to be pressed into, and be difficult to adopt and component vibrated and the construction method of vibrating type that sets.
The present invention completes in view of the foregoing, and its object is to provides a kind of steel wall, and this steel wall steel pipe or H profile steel carry out reinforcing wall and construction is easy, and this body of wall links by easily keeping the steel sheet pile of high sealing.
for the scheme of dealing with problems
In order to solve above-mentioned problem, the feature of steel wall of the present invention is, utilize joint to link many steel sheet piles and the body of wall of ripple tabular repeatedly concavo-convex is in the longitudinal direction set, for reinforce above-mentioned body of wall the length direction of the multiple girth members formed by steel pipe or H profile steel along above-mentioned body of wall, be set up in parallel at spaced intervals with above-mentioned body of wall, the part being formed as above-mentioned girth member enters the state in the recess of above-mentioned body of wall, and above-mentioned body of wall and above-mentioned girth member are connected at head.
In the present invention, because body of wall is separated with girth member, so the less-restrictive to construction method, can select to adopt and can will be piled at the various construction methods of ground as the steel pipe of girth member, H profile steel according to situation.
That is, because body of wall and girth member apart, so steel sheet pile separately can be carried out to be piled at ground and to link to come wall constructed construction to carrying out between steel sheet pile and girth member be piled at the construction of ground.In addition, because do not contact between these body of wall and girth members, shown construction becomes easy.Such as, by arranging interval between body of wall and girth member, hammer construction method can be set by vibration and constructing.In addition, also can be constructed by the construction method rotating press-in when girth member is steel pipe.In addition, self-evident, also can implement the static state press-in construction method of oil pressure press-in construction method etc.Like this, because the less-restrictive of construction method, so can select to adopt the various construction methods that steel pipe, H profile steel can be piled at ground according to situation.
In addition, the high sealing performance identical with steel sheet-pile wall in the past can be obtained.
In addition, the construction space of the broadness as the wall body structure of rod-pulling type is not needed.Particularly, because girth member enters the recess side of body of wall, therefore, it is possible to form the width being less than the wall of steel sheet pile height and steel pipe footpath sum, build steel wall while construction space can be saved.
In addition, can form following structure, the recess side entering body of wall due to girth member makes the distance of girth member and body of wall shorten, different from the steel sheet-pile wall of rod-pulling type, when girth member and body of wall are connected at head, the both sides of tensile force and compressive force can be transmitted.
That is, when soil pressure, hydraulic pressure act on steel wall, be knotted because the head of body of wall is connected with the head of girth member, so the transmission of load between body of wall and girth member can be carried out.Thus, steel wall can be formed and share the structure of bearing soil pressure suffered by steel wall, hydraulic pressure by body of wall and steel pipe.In addition, by the head of body of wall and the head of girth member are linked and be fixed, the dislocation of the vertical direction of body of wall and girth member can be limited, and transmit shearing force.
In addition, if rod-pulling type steel sheet pile structure, then in order to make the power of the pull bar acting on arranged discrete on body of wall extending direction disperse, body of wall being kept strokes, needing Cross stay.But in the present invention, girth member enters recess side, and in short distance transmitting force, does not therefore need Cross stay.
Particularly when often separating one or separating multiple steel sheet pile ground relative steel sheet pile configuration girth member, if vacate interval between girth member and steel sheet pile, then girth member generating portion effect, therefore needs the component of dispersion force on extending direction of Cross stay etc.But because girth member enters the recess of body of wall, even if therefore for the steel sheet pile not being provided with girth member, girth member also can tell on, and does not need Cross stay etc.
In addition, implement following laboratory test, central authorities in the firm soil box of width 1957mm × height 1000mm × depth 940mm, bonding agent is utilized to be fixed the lower end of the acrylic panel simulating the waveform of steel sheet-pile wall with the acrylic tubing simulating steel pipe, utilization falls method in the air about the acrylic panel of waveform, is provided with No. 5, silica sand (dry husky), acrylic panel one-sided being deep-cut to lower end from this state, confirm the change of body of wall.By this experiment, confirm, if to be wall high less than 4/7 for the pitch of steel pipe, by being configured in the mode of the recess entering body of wall by girth member and linking the head of girth member and the head of body of wall, then the part at the interval of the girth member skipped also is produced to the effect of girth member.Thus, preferably, the pitch L of girth member and wall height H meets L≤4H/7.
In said structure of the present invention, preferably, above-mentioned body of wall and above-mentioned girth member utilize and cross over the head of above-mentioned body of wall and the head of above-mentioned girth member and the concrete that sets is connected at head.
According to such structure, because form the structure that the concrete set by crossing over the head of girth member and the head of body of wall links the head of girth member and the head of body of wall, thus can be formed do not expose steel pipe head (upper end), the head (upper end) of steel sheet pile and the structure that covered by concrete.Thereby, it is possible to improve the attractive in appearance of steel wall.In addition, because set concrete in the mode of crossing over girth member and body of wall, so the danger collapsed etc. in the top between steel pipe and body of wall is less.
In addition, in said structure of the present invention, preferably, above-mentioned body of wall and above-mentioned girth member by by the steel plate be arranged between above-mentioned body of wall and above-mentioned girth member respectively solder joints be connected in above-mentioned body of wall and above-mentioned girth member at head.
According to such structure, because Plate Welding carries out in girth member and body of wall in the link of head by steel plate and girth member, so time and labor that is light and construction cost of constructing is less.Such as, do not need to open hole that pull bar is passed and the time and labor making pull bar pass this hole to spend at steel sheet pile, steel pipe sheet pile as the situation of rod-pulling type.In addition, when with when setting compared with above-mentioned concrete situation, do not need concrete curing time, the shortening of construction period can be realized.
In addition, in said structure of the present invention, except the steel plate by being arranged between above-mentioned body of wall and above-mentioned girth member respectively solder joints in above-mentioned body of wall and above-mentioned girth member by above-mentioned body of wall and above-mentioned girth member except head is connected, the head crossing over above-mentioned body of wall and above-mentioned girth member can also be utilized and above-mentioned body of wall and above-mentioned girth member link at head by the concrete set.
According to such structure, because combine the link utilizing welding steel to carry out and the link utilizing concrete to carry out, so can complementary attractive in appearance and intensity.Such as, concrete transmit linking portion compressive force in excellent, soldered steel plate transmit linking portion tensile force in excellent, therefore, it is possible to complementary strengths.In addition, the beautification of landscape (environment layout) that can cause the raising of the transmission of the tensile force that steel plate causes and concrete and safety measure (such as, preventing top slump) carry out complementation.
In addition, in said structure of the present invention, preferably, above-mentioned girth member is above-mentioned steel pipe.
According to such structure, higher rigidity can be obtained by adopting steel pipe as girth member, and rotation press-in construction method, middle pick construction method can be adopted, and easily carry out the construction that inhibit noise, vibration.
In addition, in said structure of the present invention, preferably, the interval that the above-mentioned steel sheet pile of above-mentioned body of wall and above-mentioned girth member can not be contacted in construction is set with between above-mentioned body of wall and above-mentioned girth member.
According to such structure, when constructing to body of wall and girth member, the steel sheet pile of body of wall can not contact in construction with girth member, can prevent above-mentioned body of wall and girth member in construction owing to contacting the problem produced.
In addition, in said structure of the present invention, Ke Yishi, the side of bearing relatively large pressure of above-mentioned body of wall is located at by above-mentioned girth member.
According to such structure, owing to being provided with girth member in the side in the face of bearing relatively large pressure (soil pressure, hydraulic pressure), therefore body of wall and girth member all bear pressure.In this case, load acts on body of wall to the direction be separated from girth member.At this, owing to being that the head of body of wall and the head of girth member are connected, the structure that load is transmitted between body of wall and girth member (transmission of tensile force), bears load therefore, it is possible to shared by body of wall and girth member.Thus, even if girth member to be configured at the side of bearing relatively large pressure of body of wall, also by girth member is combined in body of wall, can fully realize the raising of intensity.In addition, when steel wall is used as such as shore protection, water and soil conservation wall etc., girth member is configured at rear side.Thus, in the exposed side on steel wall top, the state that girth member is hidden because formation only has the side of body of wall to expose, so the steel wall forming that outward appearance is uncomplicated, aesthetic property is excellent.
In addition, in said structure of the present invention, also can be that the side contrary with the side of bearing relatively large pressure of above-mentioned body of wall be located at by above-mentioned girth member.
According to such structure, because the side contrary with the side of bearing relatively large pressure of body of wall be located at by above-mentioned girth member, therefore soil pressure, hydraulic pressure act on body of wall.In this case, load at the linking portion of body of wall and girth member from body of wall transmission (transmission compressive force) to girth member, can be shared by body of wall and girth member and bear soil pressure, hydraulic pressure.In addition, when being used as shore protection, water and soil conservation wall etc., girth member is configured at front face side and the upper exposed side of body of wall.Thus, such as, do not need the head in order to expose girth member when constructing and excavate, easily can study for a second time courses one has flunked the linking portion of girth member and girth member and the body of wall exposing state.
the effect of invention
According to the present invention, the high sealing performance identical with steel sheet-pile wall in the past can be obtained, and can reduce by making load transfer the moment of deflection produced on body of wall to girth member.In addition, although be the structure being combined with steel sheet pile and steel pipe or H profile steel, can construct individually, therefore, it is possible to easily construct to steel sheet pile and steel pipe or H profile steel respectively.
Accompanying drawing explanation
Fig. 1 is the approximate vertical view of the steel wall representing the 1st embodiment of the present invention.
Fig. 2 is the important part approximate vertical view of the above-mentioned steel wall representing the 1st embodiment.
Fig. 3 is the general profile chart of the above-mentioned steel wall of the 1st embodiment represented in ground.
Fig. 4 is the approximate vertical view of the steel wall of the variation representing the 1st embodiment of the present invention.
Fig. 5 is the important part approximate vertical view of the steel wall representing the 2nd embodiment of the present invention.
Fig. 6 is the general profile chart of the above-mentioned steel wall of the 2nd embodiment represented in ground.
Fig. 7 is the important part approximate vertical view of the steel wall representing the 3rd embodiment of the present invention.
Fig. 8 is the general profile chart of the above-mentioned steel wall of the 3rd embodiment represented in ground.
Fig. 9 is the important part approximate vertical view of the steel wall representing the 4th embodiment of the present invention.
Figure 10 is the important part approximate vertical view of the steel wall representing the 5th embodiment of the present invention.
Figure 11 is the approximate vertical view of the steel wall of the variation representing the 5th embodiment of the present invention.
Figure 12 is the important part approximate vertical view of the steel wall of other the variation representing the 5th embodiment of the present invention.
Detailed description of the invention
Hereinafter, with reference to the accompanying drawings of embodiments of the present invention.
As shown in Figure 1 to Figure 3, the steel wall 3 of the 1st embodiment of the present invention is that combination is formed as the hat shape steel sheet pile 1 of steel sheet pile and steel pipe (girth member) 2.Many steel pipes 2 are configured to 1 row side by side along the length direction of the body of wall (sheet pile wall) 4 linking multiple hat shape steel sheet pile 1 is spaced at intervals.
Hat shape steel sheet pile 1 possesses: web 1a; Pair of flanges 1b, extends in the mode expanded each other obliquely from the both side edges of web 1a respectively; Top and the web 1a of a pair arm 1c, the flange 1b from left and right extend abreast to the left and right; And joint 1d, be located at the top of arm 1c.
In addition, hat shape steel sheet pile 1 does not contact with steel pipe 2, is formed as between hat shape steel sheet pile 1 and steel pipe 2 every spaced state.In addition, the diameter of steel pipe 2 is less than the width (effective width) of hat shape steel sheet pile 1.This steel pipe 2 becomes the state that its part enters recess, and this recess is that the valley of a side of the body of wall be made up of hat shape steel sheet pile 1 is divided.
Multiple hat shape steel sheet pile 1 is arranged in row using interconnected for its joint 1d thus build the above-mentioned body of wall 4 as steel sheet-pile wall.In addition, hat shape steel sheet pile 1 and steel pipe 2 are piled at ground.
As shown in Figures 2 and 3, this steel wall 3 head of body of wall 4 of utilizing lid 5 to link to be formed by hat shape steel sheet pile 1 and the head of steel pipe 2.That is, the parcel head of body of wall 4 and the head of steel pipe 2 and lid 5 is set by the concrete set is utilized.Entered by the head of body of wall 4 and the head of steel pipe 2 in the concrete becoming this lid 5, the head of body of wall 4 and the head of steel pipe 2 are linked fixing.
In addition, the concrete enclosing of the upper end open tegmentum 5 of steel pipe 2.Lid 5 is arranged along the length direction of body of wall 4, utilizes, with the lid 5 of the length equal length of a body of wall 4, all steel pipes 2 is linked to body of wall 4.
In addition, relative to body of wall 4, steel pipe 2 be configured at apply soil pressure side opposition side, be namely configured at the front face side not applying soil pressure side.
In addition, the steel wall 3 of this example such as becomes shore protection, and wherein, the ground basal plane b of downside is the water side in sea, lake, river etc. relative to the ground basal plane a of high side.In addition, steel wall 3 is not limited to shore protection, can be used in water and soil conservation, cofferdam, fills, dykes and dams etc.
The interval of degree body of wall 4 and steel pipe 2 can not being contacted in construction when separately constructing with steel pipe 2 to body of wall 4 (hat shape steel sheet pile 1) is provided with between steel pipe 2 and the body of wall 4 formed by hat shape steel sheet pile 1.That is, be provided with the interval of following degree, make not contact with the steel pipe 2 of formerly constructing in work progress at the body of wall 4 of rear construction, or do not contact with the body of wall 4 of formerly constructing in work progress at the steel pipe 2 of rear construction.Particularly, preferably, construct time body of wall 4 and steel pipe 2 immediate each other part be spaced apart more than 50mm.In addition, above-mentioned interval also can be more than 60mm, more than 70mm, more than 80mm.But, considering the head for linking body of wall 4 and the cost of head of steel pipe 2, the thickness etc. of the entirety of steel wall body, being configured in the recess entering the paddy side of the sheet pile wall of the ripple tabular of repeatedly concavo-convex (Feng Hegu) as body of wall 4 at least partially of steel pipe 2.
Structure in the recess of body of wall is entered, the steel sheet pile 4 that can hold the steel sheet-pile wall be built into, the steel pipe that sets thus oil pressure press-in or rotate press-in steel pipe 2 by forming steel pipe.When carrying out oil pressure press-in from the steel sheet-pile wall be built into, steel pipe acquisition reaction force or rotate press-in steel pipe, in order to stably construct, preferably, steel pipe is configured to as far as possible near the steel sheet-pile wall, the steel pipe that have been built into.
In this case, such as, the degree of depth (distance along the direction vertical with arm 1c with web 1a between web 1a from arm 1c) of recess is different according to model of hat shape steel sheet pile 1 etc., such as, when the hat shape steel sheet pile of 900mm width, the degree of depth of recess is about 200mm ~ 300mm, therefore, preferably, the interval between the web 1a of the hat shape steel sheet pile 1 of body of wall 4 and steel pipe 2 is set to below the degree of depth of its recess.
Then, the construction method of steel wall 3 is described.
In the construction of steel wall 3, the hat shape steel sheet pile 1 forming body of wall 4 is separately piled at ground with the steel pipe 2 becoming girth member.
Now, both first hat shape steel sheet pile 1 ground can be piled at, also first steel pipe 2 ground can be piled at.In addition, also can be this situation, body of wall 4 be former steel sheet-pile walls set, and the object etc. for reinforcing wall 4 sets steel pipe.
In addition, set the engineering of hat shape steel sheet pile 1 while also can carrying out hat shape steel sheet pile 1 to be linked to successively the hat shape steel sheet pile 1 formerly set concurrently and steel pipe 2 formed a line and sets the engineering of steel pipe 2 successively.
In addition, set in process at hat shape steel sheet pile 1, both can adopt and obtain reaction force to be pressed into the oil pressure press-in construction method of hat shape steel sheet pile 1 from the hat shape steel sheet pile 1 be formerly pressed into, and vibration also can having been adopted to set hammer construction method, also can earth auger be utilized when setting to excavate.
In the process of press-in steel pipe 2, also can adopt the construction method identical with hat shape steel sheet pile 1.And, when steel pipe 2, also can adopt rotation press-in construction method, undermine thus be pressed into steel pipe 2 in steel pipe 2 and dig construction method.
In addition, the steel sheet pile 1 that also can hold constructed steel sheet-pile wall, the steel pipe set carry out oil pressure press-in or rotate press-in steel pipe 2.Now, because steel pipe enters the recess of body of wall, the position therefore for obtaining the steel sheet-pile wall of reaction force, steel pipe and carrying out the steel pipe of constructing becomes closely, can stably construct.
In the situation of this steel wall 3, because the body of wall 4 as sheet pile wall and the steel pipe 2 as girth member separate the interval that can not contact in construction, the interval such as separating more than 50mm is piled at ground, therefore, it is possible to suppress body of wall 4 and steel pipe 2 slide in construction and produce vibration, noise, distortion.
In addition, when body of wall 4 contacts in construction with steel pipe 2, such as, according to construction method, the rotation press-in construction method of the vibrating type of the component vibration making when setting to set, then the possibility of above-mentioned noise, vibration, distortion uprises.Thereby, it is possible to the construction method used is restricted.On the other hand, in this present embodiment because construction between body of wall 4 and steel pipe 2 apart, so the selection of construction method is wider.
In addition, when making its integration in joining steel plate stake and girth member, the section area being piled at the component of ground becomes large, is difficult to set.On the other hand, separately set because the steel wall 3 of present embodiment is body of wall 4 and steel pipe 2, so can easily construct.In addition because body of wall 4 and steel pipe 2 in construction in discontiguous mode apart, so compare with the situation that body of wall 4 described above and steel pipe 2 contact, make construction transfiguration easy further.
After having set steel sheet pile 1 (body of wall 4) and steel pipe 2, set the concrete becoming lid 5 in the mode of crossing over body of wall 4 and steel pipe 2.Thus, the head of body of wall 4 and the head of steel pipe 2 are connected.
In this steel wall 3, because the head of the head of body of wall 4 and steel pipe 2 is connected, so load can be made to transmit between body of wall 4 and steel pipe 2 by linking portion, and body of wall 4 and steel pipe 2 is made to share the soil pressure, the hydraulic pressure that bear suffered by steel wall 3.In addition, be knotted because the head of body of wall 4 is connected with the head of steel pipe 2, so the dislocation in vertical between steel pipe 2 and body of wall 4 can be prevented.As mentioned above, steel wall 3, compared with independent steel sheet-pile wall, can reduce the moment of deflection produced on the body of wall 4 reinforced by steel pipe 2.In addition, the sealing performance of steel wall 3 is enough identical with steel sheet-pile wall, even if do not carry out filling mortar etc. to joint 1d, also can obtain the sealing with the identical level of steel pipe plate piling wall being filled with mortar at blank area.
In the present embodiment, as shown in Figure 3, in steel wall 3, steel pipe 2 be configured at body of wall 4 the opposition side being applied in soil pressure side, be namely configured at the front face side not applying soil pressure side.Thus, when as when reinforcing the object of original steel sheet-pile wall, even if there is obstruction in the middle part of the overground part of side or ground overleaf, also can steel pipe be set in front face side thus reinforce.And even if when reinforcing with the steel pipe of identical length, compared with the situation being arranged at the back side, the length squeezed in soil shortens, construction labour, time and cost can be cut down.
In the present embodiment, steel wall 3 is used as shore protection, and the head of steel pipe 2 and the head tegmentum 5 of body of wall 4 link.Thus, lid 5 is connecting pieces of the head of steel pipe 2 and the head of body of wall 4, and also has the function of the opening portion of closed steel pipe 2.In which, owing to not necessarily needing the special coupling member as pull bar, reduce therefore, it is possible to realize cost.
In the steel wall 3 of present embodiment, the length of steel pipe 2 is longer than the lower-upper length (length of hat shape steel sheet pile 1) of body of wall 4.By the length by steel pipe 2 higher for relative stiffness, can carry out bearing soil pressure by steel pipe 2, being played the such design freely of the effect that prevents native sand flow from going out by body of wall 4.Thereby, it is possible to reduce, steel is heavy, construction cost.Such as, also can be formed as under type, make steel pipe 2 longer than body of wall 4, and only steel pipe 2 is squeezed into supporting bed.
In addition, as described later, the length of steel pipe 2 both can have been made shorter than the lower-upper length of body of wall 4, the length of steel pipe 2 also can be made identical with the lower-upper length of body of wall 4.The length of steel pipe 2 decides according to rigidity and foundation condition.In addition, when worrying quicksand, protuberance, Circular Sliding occur when the length same degree of the lower-upper length of body of wall 4 and steel pipe 2, the lower-upper length of body of wall 4 is formed as longer than the length of steel pipe 2.In addition, in order to carry out sealing to underground water, body of wall 4 also can be made longer than steel pipe 2.
In the present embodiment, as shown in Figure 1, steel pipe 2 is all configured with at each hat shape steel sheet pile 1 (each recess of body of wall 4) of body of wall 4.But, according to required intensity, be not that whole hat shape steel sheet piles 1 all needs to configure steel pipe 2.Such as, both often can separate a hat shape steel sheet pile 1 (often separating a recess) as shown in Figure 4 and configure steel pipe 2, and also often can separate two hat shape steel sheet piles 1 (often separating two recesses) and be configured.Because girth member enters the recess of body of wall, even if therefore all do not configure steel pipe at whole hat shape steel sheet piles 1, the effect of girth member also can be produced to adjacent steel sheet pile.But, preferably, under the state that steel pipe 2 arranges along the length direction of body of wall 4, roughly evenly configure steel pipe 2.
The steel sheet pile forming body of wall 4 is not limited to hat shape steel sheet pile 1, can adopt the various steel sheet piles of U-shaped steel sheet pile, Z-shape steel sheet pile etc.
Then, the 2nd embodiment of the present invention is described.
As shown in Figure 5 and Figure 6, the steel wall 31 of the 2nd embodiment utilizes the supporting member of the steel as coupling member (such as, cutting into the steel plate of specific length, shaped steel) 6 jointly to be linked by the head of the head of steel pipe 2 and body of wall 4 with lid 5.In addition, make the length of steel pipe 2 identical with the lower-upper length of body of wall 4.In addition, there is the structure identical with the steel wall 3 of the 1st embodiment.Therefore, identical Reference numeral is marked to the inscape identical with the 1st embodiment and the description thereof will be omitted.
In the 2nd embodiment, the supporting member 6 (steel) as the steel of coupling member is set to be clipped in the state between the head of steel pipe 2 and the head of body of wall 4.This supporting member 6 is fixed on steel pipe 2 and body of wall 4 by such as welding, bolt, self-drilling screw etc.Thus, under the state that steel pipe 2 is separated with body of wall 4, the head of steel pipe 2 and the head of body of wall 4 are linked.
In addition, in the 2nd embodiment, the length of steel pipe 2 described above is roughly the same with the lower-upper length (length of hat shape steel sheet pile 1) of body of wall 4.
The construction method of the steel wall 31 of the 2nd embodiment is as follows.
First, by steel sheet pile 1 and steel pipe 2 identical with the 1st embodiment set.Then, the steel becoming supporting member 6 are arranged between steel sheet pile 1 (body of wall 4) and steel pipe 2, and are individually fixed in steel sheet pile 1 (body of wall 4) and steel pipe 2 by welding, bolt, self-drilling screw etc.Then, cross over body of wall 4 and steel pipe 2 ground sets lid identically with the 1st embodiment.
In the steel wall 31 of the 2nd embodiment, the head of steel pipe 2 and the head of body of wall 4 are linked by both lid 5 and supporting member 6.Thereby, it is possible to the load transfer of being born by body of wall 4 is more reliably in steel pipe 2.Except the effect that can obtain this effect and produce for equal length based on steel pipe 2 and hat shape steel sheet pile 1, the action effect identical with the steel wall 3 of the 1st embodiment can also be obtained.
Then, the 3rd embodiment of the present invention is described.
As shown in Figure 7 and Figure 8, the steel wall 32 of the 3rd embodiment not only adopts lid 5 to link the head of steel pipe 2 and the head of body of wall 4, also adopts a pair sheet material 7 as coupling member to the head of the head and body of wall 4 that link steel pipe 2.And the lower-upper length of body of wall 4 is longer than the length of steel pipe 2.In addition, steel pipe 2 is configured at the rear side being applied in soil pressure of body of wall 4.In addition, there is the structure identical with the steel wall 3 of the 1st embodiment.Therefore, also the description thereof will be omitted to mark identical mark to the inscape identical with the 1st embodiment.
In the 3rd embodiment, the sheet material 7 of steel is set to be clipped in the state between the head of steel pipe 2 and the head of body of wall 4.In addition, sheet material 7 is individually fixed in steel pipe 2 and body of wall 4 by welding, bolt etc.In addition, under the state that steel pipe 2 is separated with body of wall 4, the head of steel pipe 2 and the head of body of wall 4 are linked.And cross over the head of the steel pipe 2 linked by sheet material 7 and the head of body of wall 4, the head of the head and body of wall 4 that wrap into steel pipe 2 with concrete arranges lid 5, thus the head of the head of steel pipe 2 and body of wall 4 also tegmentum 5 link.
In addition, in the 3rd embodiment, the lower-upper length (length of hat shape steel sheet pile 1) of body of wall 4 described above is longer than the length of steel pipe 2.Thereby, it is possible to realize preventing quicksand, protuberance, Circular Sliding or realizing carrying out sealing to underground water.In addition, except utilizing except lid 5 links, also utilizing sheet material 7 to link, the intensity of the linking portion between the head of steel pipe 2 and the head of body of wall 4 can be improved thus.Particularly, in the structure shown here, because tension load acts between body of wall 4 and steel pipe 2, so the link utilizing the sheet material 7 of steel to carry out is more effective.
In addition, due to by arranging steel pipe 2 in the rear side of body of wall 4, steel pipe 2 can be made not to be exposed to the front side of body of wall 4 and to stash, therefore, it is possible to improve the attractive in appearance of steel wall 32.
The steel wall 32 of the 3rd embodiment, except having based on except the length of the structure of linking portion, steel pipe 2 and body of wall 4 and the action effect of steel pipe 2 relative to the configuration of body of wall 4, can also obtain the action effect identical with the 1st embodiment.
Then, the 4th embodiment of the present invention is described.
As shown in Figure 9, the steel wall 33 of the 4th embodiment is that H profile steel 9 replaces steel pipe 2 as the structure of girth member, and the structure beyond it becomes the structure identical with the steel wall 3 of the 1st embodiment.Therefore, also the description thereof will be omitted to mark identical mark to the inscape identical with the 1st embodiment.
The steel wall 33 of the 4th embodiment adopts H profile steel 9 as girth member.H profile steel 9 along the body of wall 4 of attachment cap shaped steel plate pile 1 length direction, identical with the situation of the steel pipe 2 of the 1st embodiment be spaced apartly arranged into row and configure.In addition, between H profile steel 9 and body of wall 4, and the situation of the steel pipe 2 of the 1st embodiment has been uniformly set interval.
In addition, H profile steel 9 becomes the state that its part enters the recess divided for the valley of a side of body of wall be made up of hat shape steel sheet pile 1.In addition, H profile steel 9 is configured to the length direction that web 9a is orthogonal to body of wall 4.Thus, flange 9b is parallel to the length direction of body of wall 4.
The head of this body of wall 4 and the head of H profile steel 9 link.Steel wall 33 and the linking method of the H profile steel 9 as girth member can adopt with the 1st embodiment to the identical method of the 3rd embodiment.That is, lid 5 is utilized to link body of wall 4 and H profile steel 9.In addition, also body of wall 4 and H profile steel 9 can be linked by steel by the link of welding, bolt.In addition, these linking methods can also be combined to the head of the head and H profile steel 9 that link body of wall 4.
Except H profile steel 9 replaces steel pipe 2 as except girth member, the length of body of wall 4 and the relation of the length of H profile steel 9, H profile steel 9 can be identical to the 3rd embodiment with the 1st embodiment relative to the structure of the configuration (comprising the interval of body of wall 4 and H profile steel 9) etc. of body of wall 4.
In the construction method of steel wall 33, except can not by middle pick construction method, rotate except press-in construction method constructs to H profile steel 9, can adopt with the 1st embodiment to the identical construction method of the construction method of the steel wall of the 3rd embodiment.
The steel wall 33 of the 4th embodiment, except the action effect produced by steel pipe 2, can obtain with the 1st embodiment to the identical action effect of the steel wall 3 of the 3rd embodiment.
Then, the 5th embodiment of the present invention is described.
As shown in Figure 10, the steel wall 34 of the 5th embodiment, in above-mentioned each embodiment, carries out the link between the head of steel pipe 2 and the head of body of wall 4 by welding steel 8.Link for the head of steel pipe 2 and the head of body of wall 4 does not use concrete.Structure except the connecting structure between the head of this steel pipe 2 and the head of body of wall 4 becomes the structure identical with the steel wall 3 of the 1st embodiment.Therefore, also the description thereof will be omitted to mark identical mark to identical inscape.
Identically with the 1st embodiment, in the steel wall 34 of the 5th embodiment, many steel pipes 2 are lined up 1 row along the length direction of the body of wall (sheet pile wall) 4 linking multiple hat shape steel sheet pile 1 is spaced at intervals and is configured.In addition, the part that steel pipe 2 is configured to steel pipe 2 enters repeatedly the state of the recess of concavo-convex wavy steel sheet pile 1.
Steel plate 8 is configured with between the hat shape steel sheet pile 1 and steel pipe 2 of body of wall 4.In the present embodiment, steel plate 8 is configured between the arm 1c of hat shape steel sheet pile 1 and the periphery of steel pipe 2.Steel plate 8 corresponds to the arm 1c of left and right, respectively arranges one respectively relative to 1 hat shape steel sheet pile 1 and 1 steel pipe 2 in left and right.
In addition, a welding edges of steel plate 8 is in the arm 1c of hat shape steel sheet pile 1, and another welding edges is in the periphery of steel pipe 2.
In the construction of steel wall 34, setting of the construction of body of wall 4 and steel pipe 2 is carried out identically with the 1st embodiment.The construction of body of wall 4 and steel pipe 2 set end after, steel plate 8 is welded in hat shape steel sheet pile 1 and the steel pipe 2 of body of wall 4.
In the steel wall 34 of the 5th embodiment, because the link to each other of the head of body of wall 4 and steel pipe 2 utilizes welding steel 8 to carry out, so construction becomes easy.In addition, need curing time unlike situation about being linked by concrete, therefore the duration is shorter.
In addition, in the present embodiment, as shown in figure 11, both can steel plate 8 be configured between the web 1a of hat shape steel sheet pile 1 and the outer peripheral face of steel pipe 2, between the outer peripheral face that also can be configured at flange 1b and steel pipe 2.
In addition, also can configure steel pipe 2 in the mode of the spacing (such as, often separate one or more hat shape steel sheet pile 1 and configure steel pipe 2) skipping steel pipe 2 relative to hat shape steel sheet pile 1, and adopt diameter to be greater than the steel pipe 2 of the effective width of hat shape steel sheet pile 1.
In addition, both steel pipe 2 can be configured at the side being subject to relatively large pressure of body of wall 4, also can be configured at its opposition side.
In addition, shown in steel wall 34A as shown in figure 12, except being linked by welding steel 8, the head of head and the steel pipe 2 wrapping into body of wall 4 can also be utilized identically with the 1st embodiment by the concrete that sets to arrange lid 5.In this case, after welding steel 8, concrete is set.
In addition, body of wall 4 and steel pipe 2, except utilizing except welding steel 8 is connected, also utilize concrete to link.
In this case, such as, complementary structure can be formed in the mode that concrete mainly carries out the transmission of the compressive force between body of wall 4 and steel pipe 2, steel plate 8 mainly carries out the transmission of tensile force.In addition, can realize above-mentioned utilizing the upper end open of concrete shutoff steel pipe 2, preventing collapsing of top.
In addition, also can be, with original steel sheet-pile wall for body of wall 4, by relative to this body of wall 4, set steel pipe 2, H profile steel 9 to build steel wall 3,31,32,33,34,34A.
description of reference numerals
1, hat shape steel sheet pile (steel sheet pile); 1d, joint; 2, steel pipe (girth member); 3, steel wall; 5, cover; 8, steel plate; 9, H profile steel (girth member); 31, steel wall; 32, steel wall; 33, steel wall; 34, steel wall; 34A, steel wall.

Claims (9)

1. a steel wall, is characterized in that,
Utilize joint to connect multiple steel sheet pile and be arranged on the body of wall of the repeatedly concavo-convex ripple tabular of length direction,
For reinforce above-mentioned body of wall the length direction of the multiple girth members formed by steel pipe or H profile steel along above-mentioned body of wall, be set up in parallel at spaced intervals with above-mentioned body of wall,
The part being formed as above-mentioned girth member enters the state in the recess of above-mentioned body of wall,
Above-mentioned body of wall and above-mentioned girth member are connected at head.
2. steel wall according to claim 1, is characterized in that,
Often separate one or separate multiple above-mentioned steel sheet pile and be provided with above-mentioned girth member.
3. steel wall according to claim 1, is characterized in that,
Above-mentioned body of wall and above-mentioned girth member utilize the head crossing over above-mentioned body of wall and above-mentioned girth member and the concrete set is connected at head.
4. steel wall according to claim 1, is characterized in that,
Above-mentioned body of wall and above-mentioned girth member are by being connected the steel plate be arranged between above-mentioned body of wall and above-mentioned girth member in above-mentioned body of wall and above-mentioned girth member at head respectively by solder joints.
5. steel wall according to claim 4, is characterized in that,
Above-mentioned body of wall and above-mentioned girth member utilize the head crossing over above-mentioned body of wall and above-mentioned girth member and the concrete set is connected at head.
6. the steel wall according to any one of claim 1 to 5, is characterized in that,
Above-mentioned girth member is above-mentioned steel pipe.
7. the steel wall according to any one of claim 1 to 5, is characterized in that,
The interval that the above-mentioned steel sheet pile of above-mentioned body of wall and above-mentioned girth member can not be contacted in construction is set with between above-mentioned body of wall and above-mentioned girth member.
8. the steel wall according to any one of claim 1 to 5, is characterized in that,
The side of bearing relatively large pressure of above-mentioned body of wall is located at by above-mentioned girth member.
9. the steel wall according to any one of claim 1 to 5, is characterized in that,
The side contrary with the side of bearing relatively large pressure of above-mentioned body of wall be located at by above-mentioned girth member.
CN201280072877.0A 2012-05-01 2012-05-01 Steel wall Pending CN104271841A (en)

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