CN216041098U - HUI type combination steel sheet pile - Google Patents
HUI type combination steel sheet pile Download PDFInfo
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- CN216041098U CN216041098U CN202122039969.8U CN202122039969U CN216041098U CN 216041098 U CN216041098 U CN 216041098U CN 202122039969 U CN202122039969 U CN 202122039969U CN 216041098 U CN216041098 U CN 216041098U
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Abstract
The application provides a HUI type combination steel sheet pile belongs to for steel foundation engineering sheet pile wall, stake or other structural component technical field. The H-shaped steel is provided with a first locking notch and a second locking notch, the Larsen IV-shaped steel plate pile comprises a connecting wall, two side walls, two meshing walls and two meshing notches, the two sides of the connecting wall are respectively connected with the side walls, each side wall is connected with one meshing wall, the inclination angles of the meshing walls and the side walls are different, each meshing wall is provided with one meshing notch, the two meshing walls respectively abut against the first locking notch and the second locking notch, the two meshing notches are respectively connected with the first locking notch and the second locking notch in a buckling mode, and the connection of the Larsen IV-shaped steel plate pile and the H-shaped steel is achieved. The scheme is applied to engineering such as foundation pits and the like, and has the advantages of tight closure at lock catches, good bending resistance, good waterproof performance and the like.
Description
Technical Field
The application relates to a HUI type combination steel sheet pile leading truck belongs to sheet pile wall, stake or other structural component technical field for steel foundation engineering.
Background
The combined steel sheet pile has the advantages of high bending strength, reasonable structural stress, good applicability to load and geology, reusability, investment saving and the like. The method is widely applied to soft soil and coastal cities. Compare in traditional steel sheet pile, six different combination patterns of HUI type steel sheet pile through utilizing 500X 300H shaped steel and Larsen IV type steel sheet pile not only practice thrift required steel sheet pile, can increase the bending resistance of combination pattern simultaneously. The HUI type combined steel sheet pile can select a proper combination type in different stressed and different foundation pits.
However, the following problems are encountered during the construction process of pressing in the HUI composite steel sheet pile by the static press: the perpendicularity of the steel sheet piles is difficult to guarantee, the steel sheet piles are easy to deviate, and the locking and buckling joints are not closed tightly, so that the piling quality of the combined steel sheet piles is reduced. Aiming at the problem that the HUI type combined steel sheet pile is easy to deviate in the vertical direction in the piling process, a theodolite and a gradienter are generally adopted to observe and correct the verticality of the combined steel sheet pile at any time, and the combined steel sheet pile is pulled by a rope to be driven in or pulled out to be driven in again after the verticality is inclined. The construction method has the advantages of complex process, easy deviation generation, time and labor waste and incapability of ensuring the piling quality of the combined steel sheet pile.
SUMMERY OF THE UTILITY MODEL
In view of this, this application provides a HUI type combination steel sheet pile, has not only realized the compactedness of condensation mouth, has still improved the degree of stability of whole combination steel sheet pile.
Specifically, the method is realized through the following scheme:
the utility model provides a HUI type combination steel sheet pile, including H shaped steel and the IV type steel sheet pile of larsen, be provided with fore shaft one and fore shaft two on the H shaped steel, every H shaped steel is connected with two IV type steel sheet piles of larsen through fore shaft one, fore shaft two, the IV type steel sheet pile of larsen includes a wall, both sides wall, two interlock walls and two bites, an lateral wall is respectively connected to even wall both sides, every lateral wall is connected with an interlock wall, and interlock wall and lateral wall inclination are different, every interlock wall sets up an interlock, two interlock walls push up respectively in fore shaft one, two departments of fore shaft, and make two bites respectively with fore shaft one, two locks of fore shaft lock connection, realize the IV type steel sheet pile of larsen and H shaped steel be connected.
According to the scheme, the Larsen IV-type steel plate pile is arranged on two sides of the H-shaped steel through the engagement opening and the locking opening which are connected in a buckling mode, the engagement wall and the side wall with different angles are matched, and inward thrust is formed on the outer side of the bending angle formed at the joint of the engagement wall and the side wall when the engagement opening is buckled with the locking opening, so that the connection fastness and the connection tightness of the Larsen IV-type steel plate pile and the H-shaped steel are enhanced; and can realize accurate location with the help of seam and fore shaft, avoided the unable problem of guaranteeing of straightness that hangs down, the steel sheet pile structure is firm, and the difficult emergence of atress squints.
Further, as preferable:
the side walls are obliquely arranged on two sides of the connecting wall, and the occlusion wall is vertically arranged. The angle between the side wall and the connecting wall is preferably set to 90-100 deg.. When the pile is used, the connecting wall bears more acting force in the direction vertical to the connecting wall, the acting force is heavier, and the obliquely arranged side wall plays a role in decomposing and dispersing the acting force, so that the bearing capacity of the integral Larsen IV-type steel plate pile is enhanced, the integral stability of the structure of the Larsen IV-type steel plate pile is expressed, and the deformation is not easy to occur; the occlusion wall is vertically arranged, the shape trend of the occlusion wall is consistent with the cross section of the H-shaped steel, when the bite is connected with the lock opening, the occlusion wall can be abutted against the side wall of the bite, and besides the occlusion effect of the bite and the lock opening, external counter force is also given, so that the occlusion tightness is strengthened.
The Larsen IV-type steel sheet pile is of a U-shaped structure formed by sequentially connecting an occlusal wall, a side wall, a connecting wall, a side wall and an occlusal wall. The bite is located at the end of the bite wall. One end of the side wall is connected with the connecting wall, the other end of the side wall is connected with the occlusion wall, and the tail end of the occlusion wall is provided with an occlusion, so that the structure is smooth, the side wall can be conveniently embedded into an installation part, and the convenience in processing and installing the Larsen IV-type steel sheet pile is improved.
The H-shaped steel is a horizontal H-shaped structure formed by a top beam, a support beam and a bottom beam, and a first locking notch and a second locking notch are respectively positioned on two sides of the bottom of the top beam; or, the two sides of the bottom of the top beam are respectively provided with a locking notch III and a locking notch IV to replace the locking notch I and the locking notch II; or the bottom of the top beam is provided with a first locking notch, the top of the top beam is provided with a fourth locking notch instead of the second locking notch, and the first locking notch and the fourth locking notch are arranged in a staggered manner; or the bottom of the top beam is provided with a locking opening II, the top of the top beam is provided with a locking opening III to replace the locking opening I, and the locking opening II and the locking opening III are arranged in a staggered manner; or the first locking notch and the second locking notch are respectively positioned at two sides of the bottom of the top beam, and a third locking notch and a fourth locking notch are additionally arranged at two sides of the top beam. A group of or two groups of locking notches are arranged on the upper portion (including the bottom of the top beam and the top of the top beam) of the H-shaped steel, each group of locking notches comprises two locking notches, and the Larsen IV-shaped steel plate piles are connected with the two sides of the H-shaped steel.
And the outer side of the Larsen IV type steel sheet pile connected with the H-shaped steel is also connected with at least one extension Larsen IV type steel sheet pile, and the extension Larsen IV type steel sheet pile at the outermost side is connected with the extension H-shaped steel, so that at least two Larsen IV type steel sheet piles are arranged between every two H-shaped steels. The use of the extension Larsen IV-type steel sheet pile improves the utilization rate of H-shaped steel and greatly expands the transverse connection length.
The Larsen IV-type steel plate pile is positioned on the guide frame, and the Larsen IV-type steel plate pile is positioned at the pile position.
And a support is arranged on the guide frame to stabilize the guide frame.
The beneficial effect of this application is as follows: the combined steel sheet pile solves the problems that a conventional combined steel sheet pile is easy to incline in the vertical direction during piling, the lock catch is not closed tightly, and the verticality of the steel sheet pile is difficult to guarantee; meanwhile, the HUI type combined steel sheet pile has good bending resistance and can be widely used for foundation pit engineering.
Drawings
Fig. 1 is a schematic structural diagram of a first HUI-type composite steel sheet pile according to the present application;
fig. 2 is a schematic structural diagram of a second HUI-type composite steel sheet pile according to the present application;
fig. 3 is a schematic structural diagram of a third HUI-type composite steel sheet pile according to the present application;
fig. 4 is a schematic structural view of a fourth HUI-type composite steel sheet pile according to the present application;
fig. 5 is a schematic structural diagram of a fifth HUI-type composite steel sheet pile according to the present application;
fig. 6 is a schematic structural view of a sixth HUI-type composite steel sheet pile according to the present application;
FIG. 7 is a schematic view of the assembly of the guide frame in the first construction method of the present application;
FIG. 8 is a schematic view of the assembly of the guide frame in the second construction method of the present application;
FIG. 9 is a schematic view of the assembly of the guide frame in the third construction method of the present application;
FIG. 10 is a schematic structural view of an H-shaped steel of the present application;
FIG. 11 is a schematic structural diagram of a Larson type IV steel sheet pile in the present application;
fig. 12 is a labeled diagram of the core size of the cross section of the larsen type iv steel sheet pile in the present application.
Reference numbers in the figures: 1. a guide frame; 2. supporting; h-shaped steel; 31. locking a first opening; 32. a second locking notch; 33. locking a third opening; 34. locking a fourth notch; 4. larsen IV type steel sheet piles; 41. seaming; 42. an occlusal wall; 43. a side wall; 44. connecting the wall; 4a, steel sheet pile I; 4b, steel sheet pile II; 4c, steel sheet pile III; 4d, steel sheet piles are formed; 4e, steel sheet pile five; 4f, steel sheet pile six; 4g, piling a steel plate; eight steel sheet piles are used for 4 h; 4j, steel sheet pile nine; 4k, ten steel sheet piles; 5. a guide wheel.
Detailed Description
The HUI type combined steel sheet pile of the embodiment is combined with a figure 1, and comprises H-shaped steel 3 and Larsen IV type steel sheet piles 4, wherein the H-shaped steel 3 is provided with a first locking notch 31 and a second locking notch 32, each H-shaped steel 3 is connected with the two Larsen IV type steel sheet piles through the first locking notch 31 and the second locking notch 32, namely a first steel sheet pile 4a and a second steel sheet pile 4b in fig. 1, and referring to fig. 11, the larsen type iv steel sheet pile 4 includes a connecting wall 44, two side walls 43, two engaging walls 42 and two engaging openings 41, wherein two sides of the connecting wall 44 are respectively connected with one side wall 43, each side wall 43 is connected with one engaging wall 42, the inclination angles of the occlusion walls 42 and the side walls 41 are different, each occlusion wall 42 is provided with an occlusion mouth 41, the two occlusion walls 42 respectively lean against the first locking mouth 31 and the second locking mouth 32, and the two seaming openings 41 are respectively buckled and connected with the first locking opening 31 and the second locking opening 32, so that the Larsen IV-type steel sheet pile 4 is connected with the H-shaped steel 3.
In the embodiment, the larsen IV-type steel sheet pile 4 is arranged on two sides of the H-shaped steel 3 through the snap-in mouth 41 and the locking mouth which are connected in a snap-in manner, the snap-in wall 42 and the side wall 43 with different angles are matched, and the bending angle formed at the joint of the snap-in mouth 41 and the side wall 43 forms inward thrust on the outer side when the snap-in mouth 41 is buckled with the locking mouth, so that the connection fastness and the connection tightness of the larsen IV-type steel sheet pile 4 and the H-shaped steel 3 are enhanced; and can realize accurate location with the help of seam 41 and fore shaft, avoided the unable problem of guaranteeing of straightness that hangs down, the steel sheet pile structure is firm, and the difficult emergence of atress squints.
As an alternative: referring to fig. 11, the side walls 43 are obliquely disposed at both sides of the coupling wall 44, and the engaging wall 42 is vertically disposed. In use, the connecting wall 44 bears more acting force in the direction vertical to the connecting wall, the acting force is heavier, and the obliquely arranged side wall 43 plays a role in decomposing and dispersing the acting force, so that the integral bearing force of the Larsen IV-type steel plate pile 4 is enhanced, the integral stability of the Larsen IV-type steel plate pile structure is shown, and the deformation is not easy to occur; the biting wall 42 is vertically arranged, the shape trend of the biting wall is consistent with the cross section of the H-shaped steel 3, when the biting mouth 41 is connected with the lock mouth, the biting wall 42 is abutted against the outer side of the biting mouth 41, and besides the biting action of the biting mouth 41 and the lock mouth, external counter force is also given, so that the biting tightness is strengthened.
As an alternative: referring to fig. 11, the occlusal wall-side wall-connecting wall-side wall-occlusal wall are sequentially connected to form a larsen type iv steel sheet pile 4 of a U-shaped structure, and the bite 41 is located at the end of the occlusal wall 42. When only the connection tightness and the installation stability need to be met, the positions of the occlusion wall and the side wall, the side wall and the connecting wall and the occlusion mouth can be set at will, for example, the side wall 43 can be connected to the middle part of the connecting wall 44 or other arbitrary positions, however, when one end of the side wall 43 is connected with the connecting wall 44, the other end of the side wall is connected with the occlusion wall 42, the occlusion mouth 41 is arranged at the tail end of the occlusion wall 43, the formed U-shaped structure steel plate pile is smooth, the embedding of the installation position is facilitated, and the processing and installation convenience of the Larsen IV-type steel plate pile 4 is improved.
As a specific example, in conjunction with fig. 12, the larsen type iv steel sheet pile 4 satisfies the following specifications: the length L of the connecting wall 44 is 440mm, and the width D is 15 mm; length L of bite 411Is 50mm, width D110mm, and the folded height H of the tail part is 35 mm; the side wall 43 is inclined at an angle theta of 98 DEG and a length L2181mm, width D2Is 10 mm; length L of the engaging wall 423Is 35mm and has a width D3Is 10 mm.
As an alternative: referring to fig. 1 and 10, the H-section steel 3 is a horizontal H-shaped structure formed by a top beam, a support beam and a bottom beam, and the locking notch can be arranged in the following ways:
(1) as shown in fig. 1, the first locking notch 31 and the second locking notch 32 are respectively disposed at two sides of the bottom of the top beam. At this time, the first steel sheet pile 4a and the second steel sheet pile 4b are respectively located on two sides of the H-shaped steel 3, the first steel sheet pile 4a is connected with the H-shaped steel 3 through the first locking notch 31, the second steel sheet pile 4b is connected with the H-shaped steel 3 through the second locking notch 32, and the connecting wall 44 of the first steel sheet pile 4a and the second steel sheet pile 4b is located above the seam 41. And (3) installing a second H-shaped steel on the left side of the first steel sheet pile 4a, installing a third H-shaped steel on the right side of the second steel sheet pile 4b, sequentially and continuously installing a third Larsen IV-type steel sheet pile and a fourth Larsen IV-type steel sheet pile leftwards and rightwards, and repeating the steps to finish assembly.
(2) As shown in fig. 2, the locking notch three 33 and the locking notch four 34 are respectively arranged at the two sides of the bottom of the top beam, and the locking notch one 31 and the locking notch two 32 are not required to be arranged. At this time, the three steel sheet piles 4c and the four steel sheet piles 4d are respectively located on two sides of the H-shaped steel 3, the three steel sheet piles 4c are connected with the H-shaped steel 3 through the three locking notches 33, the four steel sheet piles 4d are connected with the H-shaped steel 3 through the four locking notches 34, and the connecting walls 44 of the three steel sheet piles 4c and the four steel sheet piles 4d are located below the seam 41. And (3) filling a second H-shaped steel on the left side of the third 4c of the steel sheet pile, filling a third H-shaped steel on the right side of the fourth 4d of the steel sheet pile, and sequentially filling a third Larsen IV-type steel sheet pile and a fourth Larsen IV-type steel sheet pile to the left and the right, and repeating the steps to finish the assembly.
(3) As shown in fig. 3, a second locking notch 32 is arranged at the bottom of the top beam, a third locking notch 33 is arranged at the top of the top beam to replace the first locking notch, and the second locking notch 32 and the third locking notch 33 are arranged in a staggered manner; at the moment, the third steel sheet pile 4c and the second steel sheet pile 4b are respectively positioned on two sides of the H-shaped steel 3, the third steel sheet pile 4c is connected with the H-shaped steel 3 through the third locking notch 33, the second steel sheet pile 4b is connected with the H-shaped steel 3 through the second locking notch 32, the connecting wall of the third steel sheet pile 4c is positioned below the seam, and the connecting wall of the second steel sheet pile 4b is positioned above the seam. And (3) filling a second H-shaped steel on the left side of the third steel sheet pile 4c, filling a third H-shaped steel on the right side of the second steel sheet pile 4b, and sequentially filling a third Larsen IV-type steel sheet pile and a fourth Larsen IV-type steel sheet pile to the left and the right, and repeating the steps to finish the assembly.
As an alternative, referring to fig. 3, a first steel sheet pile 4a may be connected between a third steel sheet pile 4c and a second H-shaped steel, a seam of the first steel sheet pile 4a is located below a connecting wall of the first steel sheet pile, at this time, the left end of the first steel sheet pile 4a is connected with the second H-shaped steel through a second H-shaped steel locking notch 32, and the right end is connected with a seam of the third steel sheet pile 4c through the seam; correspondingly, a fourth steel sheet pile 4d can be connected between the second steel sheet pile 4b and the third H-shaped steel, a seam of the fourth steel sheet pile 4d is located above the connecting wall, at the moment, the left end of the fourth steel sheet pile 4d is connected with the seam of the second steel sheet pile 4b through the seam, and the right end of the fourth steel sheet pile is connected with the third H-shaped steel through a third seam 33 of the third H-shaped steel.
(4) As shown in fig. 4, the bottom of the top beam is provided with a first locking notch 31, the top of the top beam is provided with a fourth locking notch 34, and the first locking notch 31 and the fourth locking notch 34 are arranged in a staggered manner. At this time, the three steel sheet piles 4c and the four steel sheet piles 4d are respectively located on two sides of the H-shaped steel 3, the three steel sheet piles 4c are connected with the H-shaped steel 3 through the three locking notches 33, the four steel sheet piles 4d are connected with the H-shaped steel 3 through the four locking notches 34, and the connecting walls 44 of the three steel sheet piles 4c and the four steel sheet piles 4d are located below the seam 41. And (3) filling a second H-shaped steel on the left side of the third 4c of the steel sheet pile, filling a third H-shaped steel on the right side of the fourth 4d of the steel sheet pile, and sequentially filling a third Larsen IV-type steel sheet pile and a fourth Larsen IV-type steel sheet pile to the left and the right, and repeating the steps to finish the assembly.
In the implementation process, the outer side of the Larsen IV type steel plate pile connected with the H-shaped steel is also connected with at least one extension Larsen IV type steel plate pile, the extension Larsen IV type steel plate pile on the outermost side is connected with the extension H-shaped steel, and at least two Larsen IV type steel plate piles are arranged between every two H-shaped steels. The use of the extension Larsen IV-type steel sheet pile improves the utilization rate of H-shaped steel and greatly expands the transverse connection length. The above scheme is represented by the following two structures.
(5) As shown in fig. 5, a first locking notch 31 and a second locking notch 32 are respectively arranged on two sides of the bottom of the top beam of the H-shaped steel 3; at the moment, the left side of the locking notch I31 is connected with a steel sheet pile I4 a, the left side of the steel sheet pile I4 a is sequentially connected with a steel sheet pile III 4c and a steel sheet pile V4 e, then a second H-shaped steel is loaded, the left side of the second H-shaped steel is loaded with the steel sheet pile I, the steel sheet pile III and the steel sheet pile V, and then a fourth H-shaped steel is loaded; and (3) connecting a second steel sheet pile 4b from the second locking notch 32 to the right side, sequentially connecting a fourth steel sheet pile 4d and a sixth steel sheet pile 4f from the second steel sheet pile 4b to the right side, then filling a third H-shaped steel, sequentially filling a second steel sheet pile, a fourth steel sheet pile and a sixth steel sheet pile from the third H-shaped steel to the right side, then filling a fifth H-shaped steel, and repeating the steps to finish assembly.
(6) As shown in fig. 6, a third locking notch 33 and a fourth locking notch 34 are additionally arranged on two sides of the top beam top of the H-shaped steel 3; at the moment, the third locking notch 33 is connected with a third steel sheet pile 4c on the left side, the third steel sheet pile 4c is sequentially connected with a seventh steel sheet pile 4g and a ninth steel sheet pile 4j on the left side, then a second H-shaped steel is loaded, the second H-shaped steel is sequentially loaded with the third steel sheet pile, the seventh steel sheet pile and the ninth steel sheet pile on the left side, and then a fourth H-shaped steel is loaded; and the fourth locking notch 34 is connected with a fourth steel sheet pile 4d in sequence towards the right side, the fourth steel sheet pile 4d is connected with an eighth steel sheet pile 4H and a tenth steel sheet pile 4k in sequence towards the right side, then the third H-shaped steel is loaded, the fourth steel sheet pile, the eighth steel sheet pile and the tenth steel sheet pile are sequentially loaded towards the right side, then the fifth H-shaped steel is loaded, and the steps are repeated to finish the assembly.
It can also be seen that a group of locking notches (shown in fig. 1, 2, 5 and 6) or two groups of locking notches (shown in fig. 3, 4, 7, 8, 9 and 10) are arranged on the upper part (including the bottom and the top of the top beam) of the H-shaped steel, and each group of locking notches comprises two locking notches, so that the connection of the larsen type iv steel plate piles 4 on two sides of the H-shaped steel 3 is realized.
In the above solution, referring to fig. 8, 9 and 10, the larsen iv type steel sheet pile 4 is located on the guide frame 1, and the larsen iv type steel sheet pile 4 is located at the pile position, preferably, the guide frame 1 is provided with a guide wheel 5, and the larsen iv type steel sheet pile 4 is mounted on the guide frame 1 through the guide wheel 5.
In the above solution, with reference to fig. 8, 9 and 10, the guide frame 1 is further provided with a support 2 to stabilize the guide frame 1.
The construction method of the HUI type combined steel sheet pile guide frame comprises the following steps:
1) placing the guide frame 1 into a designed pile position, and installing a necessary support 2 for stabilization;
2) respectively driving short H-shaped steel samples and short Larsen IV-shaped steel plate pile samples into specified positions in a guide frame 1;
3) preparing a level and a theodolite, and adjusting the levelness and the verticality after the installation in the step 2);
4) pulling out the short H-shaped steel sample, aligning to the seaming of two adjacent short Larsen IV-shaped steel sheet pile samples, and pressing in the first H-shaped steel 3;
5) pulling out a short Larsen IV type steel plate pile sample adjacent to the first H-shaped steel 3, driving the short Larsen IV type steel plate pile sample into the first Larsen IV type steel plate pile 4, and aligning the seaming of the Larsen IV type steel plate pile 4 to the locking notch of the first H-shaped steel 3;
6) and repeating the steps 2) -5) until the last steel sheet pile is driven, and finishing the construction of the HUI type combined steel sheet pile.
Specific to a particular structure, there are some unique requirements.
The combined type of the structures (1) and (2) mainly comprises a 500X 300H-shaped steel and a Larsen IV-shaped steel sheet pile, wherein the H-shaped steel mainly bears bending moment and is a main stress component in the combined type. Therefore, in the process of driving the combined steel sheet pile, firstly, the H-shaped steel is driven, and the specific construction method comprises the following steps:
firstly, a guide frame 1 is arranged at a designed pile position, and a support 2 is arranged to stabilize the guide frame 1;
② will be readyThe short H-shaped steel sample (not marked in the figure) and the short Larsen IV-shaped steel sheet pile sample (not marked in the figure) are driven into A, B in figure 11、B2The position, the driving depth is 50 cm;
preparing a level gauge and a theodolite on the ground, and simultaneously adjusting the level and the verticality of the guide frame 1 and the HUI combined steel sheet pile sample;
when the first H-shaped steel 3 is driven in, firstly pulling out the short H-shaped steel pattern in the square frame A, aligning the seaming of two adjacent Larsen IV-shaped steel plate pile patterns, and driving in the first H-shaped steel 3;
fifthly, firstly, the square frame B1、B2Pulling out the short Larsen IV type steel plate pile sample, aligning to the locking notch of the H-shaped steel 3, and driving Larsen IV type steel plate piles 4 into two adjacent sides of the H-shaped steel 3;
sixthly, according to the driving method, the operation is repeated circularly until the last steel sheet pile is driven.
The combined type of the structures (3) and (4) is mainly composed of a 500X 300H-shaped steel and two Larsen IV-shaped steel plate piles which are arranged in a positive and negative mode, wherein the H-shaped steel mainly bears bending moment and is a main stress component. Therefore, in the process of driving the combined steel sheet pile, firstly, the H-shaped steel is driven, and the specific construction method comprises the following steps:
firstly, a guide frame 1 is arranged at a designed pile position, and a support 2 is arranged to stabilize the guide frame 1;
secondly, the prepared short H-shaped steel sample (not marked in the figure) and short Larsen IV-shaped steel sheet pile sample (not marked in the figure) are driven into A, B in the figure 13、B4The position, the driving depth is 50 cm;
preparing a level gauge and a theodolite on the ground, and simultaneously adjusting the level and the verticality of the guide frame 1 and the HUI combined steel sheet pile sample;
when the first H-shaped steel 3 is driven in, firstly pulling out the short H-shaped steel pattern in the square frame A, aligning the seaming of two adjacent Larsen IV-shaped steel plate pile patterns, and driving in the H-shaped steel 3;
fifthly, the square box B3、B4Two short Larsen IV type steel sheet pile samples in the steel pile are pulled out, aligned with a locking notch of the H-shaped steel 3, and two Larsen IV type steel sheet piles 4 are driven in;
sixthly, according to the driving method, the operation is repeated circularly until the last steel sheet pile is driven.
The combined type of the structures (5) and (6) is mainly composed of a 500X 300H-shaped steel and three Larsen IV-shaped steel sheet piles which are arranged in a positive and negative mode, in the combined type, the H-shaped steel mainly bears bending moment and is a main stress component, and the distance between two adjacent H-shaped steels is far. Therefore, in the process of driving the combined steel sheet pile, two adjacent H-shaped steels are firstly driven, and the construction method comprises the following steps:
firstly, a guide frame 1 is arranged at a designed pile position, and a support 2 is arranged to stabilize the guide frame 1;
secondly, the prepared short H-shaped steel sample (not marked in the figure) and short Larsen IV-shaped steel sheet pile sample (not marked in the figure) are driven into A, B in the figure 15、B6The position, the driving depth is 50 cm;
preparing a level gauge and a theodolite on the ground, and simultaneously adjusting the level and the verticality of the guide frame 1 and the HUI combined steel sheet pile sample;
when the first H-shaped steel 3 is driven in, the short H-shaped steel style in the square frame A is firstly pulled out, the seaming of the short Larsen IV-shaped steel plate pile style in the square frame A is aligned, and two H-shaped steels 3 are driven in;
and fifthly, adopting a screen type beating method for the three short Larsen IV-shaped steel plate piles 4. Before entering, the block B5、B6Three short Larsen IV-type steel sheet pile samples in the steel sheet pile are pulled out and are driven into the steel sheet pile sample by aiming at the locking notches of two H-shaped steel 3;
sixthly, according to the method, the steps are repeated until the last steel sheet pile is driven.
The construction method solves the problems that the combined steel sheet pile is easy to incline in the vertical direction during piling, the lock catch is not closed tightly, and the verticality of the steel sheet pile is difficult to guarantee, and when the last steel sheet pile is piled by adopting the method, the formed HUI type combined steel sheet pile has a closed supporting structure as shown in figures 7, 8 and 9, and has good waterproof performance; simultaneously, the present case HUI steel sheet pile itself has fine bending resistance, can extensively be used for foundation ditch engineering.
Claims (10)
1. The utility model provides a HUI type combination steel sheet pile which characterized in that: the H-shaped steel and Larsen IV-shaped steel plate pile is connected with the Larsen IV-shaped steel plate pile, the Larsen IV-shaped steel plate pile comprises a connecting wall, two side walls, two meshing walls and two meshing openings, the two sides of the connecting wall are respectively connected with one side wall, each side wall is connected with one meshing wall, the inclination angle of each meshing wall is different from that of each side wall, each meshing wall is provided with one meshing opening, the H-shaped steel is buckled and connected with the Larsen IV-shaped steel plate pile, the two meshing walls are respectively abutted against the joint of the H-shaped steel and the Larsen IV-shaped steel plate pile, and the Larsen IV-shaped steel plate pile is connected with the H-shaped steel.
2. The HUI type combined steel sheet pile according to claim 1, characterized in that: the side walls are obliquely arranged on two sides of the connecting wall, and the occlusion wall is vertically arranged.
3. The HUI type combined steel sheet pile according to claim 2, characterized in that: the angle between the side wall and the connecting wall is preferably set to 90-100 deg..
4. The HUI type combined steel sheet pile according to claim 1, characterized in that: the H-shaped steel is a horizontal H-shaped structure formed by a top beam, a support beam and a bottom beam, and a first locking notch and a second locking notch are respectively arranged on two sides of the bottom of the top beam; or, two sides of the bottom of the top beam are respectively provided with a locking notch III and a locking notch IV; or the bottom of the top beam is provided with a first locking notch, the top of the top beam is provided with a fourth locking notch, and the first locking notch and the fourth locking notch are arranged in a staggered manner; or the bottom of the top beam is provided with a second locking opening, the top of the top beam is provided with a third locking opening, and the second locking opening and the third locking opening are arranged in a staggered mode.
5. The HUI type combined steel sheet pile according to claim 1, characterized in that: the H-shaped steel is a horizontal H-shaped structure formed by a top beam, a support beam and a bottom beam, a first locking notch and a second locking notch are respectively arranged on two sides of the bottom of the top beam, and a third locking notch and a fourth locking notch are respectively arranged on two sides of the top beam.
6. The HUI type combined steel sheet pile according to claim 1, characterized in that: and the outer side of the Larsen IV type steel sheet pile connected with the H-shaped steel is also connected with at least one extension Larsen IV type steel sheet pile, and the extension Larsen IV type steel sheet pile at the outermost side is connected with the extension H-shaped steel, so that at least two Larsen IV type steel sheet piles are arranged between every two H-shaped steels.
7. The HUI type combined steel sheet pile according to claim 1, characterized in that: the Larsen IV-type steel sheet pile is of a U-shaped structure formed by sequentially connecting an occlusal wall, a side wall, a connecting wall, a side wall and an occlusal wall.
8. The HUI type combined steel sheet pile according to any one of claims 1 to 7, wherein: the Larsen IV-type steel plate pile is positioned on the guide frame, and the Larsen IV-type steel plate pile is positioned at the pile position.
9. The HUI type combined steel sheet pile according to claim 8, characterized in that: the guide frame is provided with a guide wheel, and the Larsen IV-type steel plate pile is installed on the guide frame through the guide wheel.
10. The HUI type combined steel sheet pile according to claim 8, characterized in that: and a support is arranged on the guide frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122039969.8U CN216041098U (en) | 2021-08-27 | 2021-08-27 | HUI type combination steel sheet pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122039969.8U CN216041098U (en) | 2021-08-27 | 2021-08-27 | HUI type combination steel sheet pile |
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| Publication Number | Publication Date |
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| CN216041098U true CN216041098U (en) | 2022-03-15 |
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| CN202122039969.8U Active CN216041098U (en) | 2021-08-27 | 2021-08-27 | HUI type combination steel sheet pile |
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| CN (1) | CN216041098U (en) |
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