H-shaped steel lowering guide frame of SMW construction method pile
By designing an H-beam lowering guide frame for SMW piles, the problem of H-beam bending or deformation during insertion is solved, stable guidance and support of the H-beam is achieved, construction efficiency and flexibility are improved, and the accuracy of pile wall formation is ensured.
Patent Information
- Application Number
- CN202422995182.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-05
AI Technical Summary
During the construction of SMW piles, H-shaped steel may be bent or deformed due to excessive elevation during insertion, affecting the formation of the pile wall and the construction quality.
An H-shaped steel lowering guide frame for SMW pile construction is designed, which includes an H-shaped steel lowering guide section, connecting columns and a guide frame. The guide frame is provided with relatively same-sized reserved holes, and the connecting columns are symmetrically arranged to ensure that the H-shaped steel is lowered along a predetermined path and provide stable guidance and support.
It improves the speed and efficiency of H-beam insertion, ensures the accuracy of the plane position after H-beam placement, reduces material usage, and provides construction flexibility and safety.
Smart Images

Figure CN223446163U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to and H type steel construction field, and especially relates to a kind of H type steel of SMW method pile is put into guiding frame. BACKGROUND
[0002] SMW method pile is a kind of pile foundation construction method combined with deep mixing technology and steel support.This method pile is to form pile row type retaining wall with certain strength and water resistance by mixing cement slurry with original ground soil through mixing.The SMW method pile uses triaxial mixing pile drill to cut soil in original ground layer, while low-pressure injection of cement slurry is carried out at the front end of drill, and the cut soil is fully mixed to form cement-soil column with certain strength and water resistance.Cement-soil slurry is inserted into cement-soil column before hardening, thereby forming a composite pile wall.
[0003] At present, during the insertion of H type steel, due to the high elevation of actual construction process, the direct placement of H type steel often bends or deforms due to self-weight or external force, which greatly affects the formation of actual pile wall and construction quality. INVENTION CONTENTS
[0004] Therefore, the utility model aims at providing a kind of H type steel of SMW method pile is put into guiding frame to solve the problem that, during the insertion of H type steel, due to the high elevation of actual construction process, the direct placement of H type steel often bends or deforms due to self-weight or external force, which greatly affects the formation of actual pile wall and construction quality.
[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0006] The utility model provides a kind of H type steel of SMW method pile is put into guiding frame, including, H type steel is put into guiding section, connecting column, H type steel is put into guiding frame, be equipped with a plurality of H type steel is put into the same size of reservation hole in H type steel is put into guiding frame, the distance of the H type steel is put into the rightmost side and the leftmost side of reservation hole in H type steel is put into guiding frame is more far from end face, and the clearance between any two H type steel is put into the reservation hole in the middle of H type steel is put into guiding frame is same, funnel-shaped guiding section is equipped in the upper portion of H type steel is put into guiding section, and H type steel is put into guiding frame is equipped in the lower portion of H type steel is put into guiding section, the top of connecting column is connected with H type steel is put into guiding section, and the bottom of connecting column is connected with H type steel is put into guiding frame.
[0007] Further, the number of connecting columns in the H type steel is put into guiding frame is four, and it is symmetrically arranged with the center line in the length direction of the H type steel as the axis of symmetry, and two connecting columns are on the right side of the rightmost H type steel, and the other two connecting columns are on the left side of the leftmost H type steel.
[0008] Further, the center axis of the H-shaped steel lower placement guide frame in the width direction is the axis of the three-axis cement-soil mixing pile.
[0009] Further, the H-shaped steel is inserted into the H-shaped lower placement hole.
[0010] Further, the actual number of layers of the H-shaped steel lower placement guide frame is several layers, and the spacing between any two layers of the H-shaped steel lower placement guide frame is the same.
[0011] Compared with the prior art, the H-shaped steel lower placement guide frame of the SMW method pile has the following advantages:
[0012] (1) The H-shaped steel lower placement guide frame of the SMW method pile of the utility model provides stable guidance and support, improves the speed and efficiency of H-shaped steel insertion, and at the same time, the H-shaped steel lower placement guide frame is combined by several guide frames, the guide frames are provided with H-shaped steel lower placement guide frame and H-shaped steel size matching reservation holes, so that the H-shaped steel can be placed along the predetermined path, thereby maintaining the accuracy of the horizontal position of the H-shaped steel after placement.
[0013] (2) In the H-shaped steel lower placement guide frame, the connecting part adopts a connecting column to connect the H-shaped steel lower placement guide frame with the H-shaped lower placement reservation hole, reduces the use of cement-soil mixing pile pouring process of the H-shaped steel lower placement guide frame as a whole, reduces the amount of material used, provides greater construction flexibility, and can adjust the number and position of the pile according to different geological conditions and engineering requirements. BRIEF DESCRIPTION OF DRAWINGS
[0014] The drawings forming part of the utility model are used to provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute undue limitation on the utility model.
[0015] In the drawings:
[0016] Figure 1 The H-shaped steel lower placement guide frame of the SMW method pile of the utility model embodiment is shown in the axial side view;
[0017] Figure 2 The H-shaped steel lower placement guide frame of the SMW method pile of the utility model embodiment is shown in the axial side view;
[0018] Figure 3 The H-shaped steel lower placement guide frame of the SMW method pile of the utility model embodiment is shown in the axial side view;
[0019] Figure 4 The H-shaped steel lower placement guide frame of the SMW method pile of the utility model embodiment is shown in the axial side view;
[0020] Figure 5 Figure 1 is a schematic view of the H-shaped steel lower placement guide frame of the SMW method pile according to the embodiment of the present application.
[0021] Marked explanation:
[0022] 1, H-shaped steel lower placement guide section; 2, connecting column; 3, H-shaped steel lower placement guide frame; 4, H-shaped steel lower placement reserved hole. Specific implementation
[0023] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0024] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0025] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0026] The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0027] Reference Figures 1-4As shown, the embodiment provides an H-shaped steel lowering guide frame for SMW method pile, comprising, H-shaped steel lowering guide section 1, connecting column 2, H-shaped steel lowering guide frame 3, H-shaped steel lowering guide frame 3 is provided with a plurality of H-shaped steel lowering reserved holes 4 with the same size, the distance between the rightmost and leftmost H-shaped steel lowering reserved holes 4 in the H-shaped steel lowering guide frame 3 and the end face is farther, while the gap between any two H-shaped steel lowering reserved holes 4 in the middle is the same, the upper part of the H-shaped steel lowering guide section 1 is provided with a funnel-shaped guide section, and the lower part is provided with the H-shaped steel lowering guide frame 3, the top of the connecting column 2 is connected with the H-shaped steel lowering guide section 1, and the bottom of the connecting column 2 is connected with the H-shaped steel lowering guide frame 3.
[0028] Specifically, in the embodiment, the number of connecting columns 2 in the H-shaped steel lowering guide frame is four, and it is symmetrically arranged with the center line in the length direction of the H-shaped steel lowering guide frame as the axis of symmetry, and two connecting columns 2 are on the right side of the rightmost H-shaped lowering reserved hole 4, and the other two connecting columns 2 are on the left side of the leftmost H-shaped lowering reserved hole 4.
[0029] Specifically, in the embodiment, the center axis in the width direction of the H-shaped steel lowering guide frame is the axis of the three-axis cement-soil mixing pile.
[0030] Specifically, in the embodiment, the H-shaped steel is inserted into the H-shaped lowering reserved hole 4.
[0031] Specifically, in the embodiment, the actual number of layers of the H-shaped steel lowering guide frame 3 is several, and the spacing between any two layers of H-shaped steel lowering guide frame 3 is the same.
[0032] The construction process of the H-shaped steel lowering guide frame for SMW method pile in the embodiment is as follows: (1) level the site, measure and lay out, and determine the axis of the three-axis cement-soil mixing pile; (2) excavate the guide trench, the guide trench is 1.10m wide and 1.50m long in the embodiment; (3) construct the three-axis cement-soil mixing pile, the parameters of the three-axis cement-soil mixing pile are pile diameter: Φ850, pile length: L=12.0m, and the center distance between adjacent piles: @1200mm; (4) set the H-shaped steel lowering guide frame construction direction from left to right, the actual 4960×1060×6 steel plate is set with 770×340×20×70 reserved steel hole, the spacing between the steel holes is 600mm, the distance between the center line of the leftmost steel and the nearest end face is 665mm, and the distance between the center line of the rightmost steel and the nearest end face is 695mm; (5) lower the steel from left to right, the spacing between any two layers of H-shaped steel lowering guide frame and the number of layers of H-shaped steel lowering guide frame are set according to the elevation of the actual support condition, the H-shaped lowering reserved hole is only a reserved lowering hole, and the steel lowering condition is determined according to the actual support condition. Figure 5 is a schematic view of one of the H-shaped steel lowering conditions, and the horizontal dotted line in the figure is the axis of the three-axis cement-soil mixing pile.
[0033] The H-shaped steel lowering guide frame of the SMW method pile provides stable guidance and support, improves the speed and efficiency of H-shaped steel insertion, and the H-shaped steel lowering guide frame is combined by several guide frames, the guide frames are provided with H-shaped steel lowering guide frame matching pre-holes of the H-shaped steel, the H-shaped steel can be lowered along the predetermined path, thereby ensuring the accuracy of the horizontal position of the H-shaped steel after being placed. Since the sizes of the H-shaped steel lowering pre-holes are consistent, the construction personnel can more easily identify and select the appropriate hole to insert the H-shaped steel, thereby simplifying the additional adjustment process of different holes. The connecting part in the H-shaped steel lowering guide frame is connected by a connecting column to connect the H-shaped steel lowering guide frame with the H-shaped steel lowering pre-hole, reduces the process of pouring the whole H-shaped steel lowering guide frame with cement-soil mixing pile, reduces the amount of material used, provides greater construction flexibility, and can adjust the number and position of the pile according to different geological conditions and engineering requirements. The connecting part at the top of the guide frame is designed in a funnel shape, similar to the opening of a funnel, which helps to improve the safety of the construction site.
[0034] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An H-shaped steel lowering guide frame for SMW piles, characterized in that: The invention comprises an H-shaped steel lowering guide section (1), a connecting column (2), and an H-shaped steel lowering guide frame (3), wherein the H-shaped steel lowering guide frame (3) is provided with a plurality of H-shaped steel lowering reserved holes (4) of relatively same size, the rightmost and leftmost H-shaped steel lowering reserved holes (4) in the H-shaped steel lowering guide frame (3) are farther away from the end face, and the gaps between any two H-shaped steel lowering reserved holes (4) located in the middle are the same, the upper part of the H-shaped steel lowering guide section (1) is provided with a funnel-shaped guide section, and the lower part is provided with an H-shaped steel lowering guide frame (3), the top of the connecting column (2) is connected to the H-shaped steel lowering guide section (1), and the bottom of the connecting column (2) is connected to the H-shaped steel lowering guide frame (3).
2. The H-shaped steel lowering guide frame for SMW piles according to claim 1, characterized in that: The number of connecting columns (2) in the H-shaped steel lowering guide frame is four, and they are symmetrically arranged with the center line in the length direction of the H-shaped steel lowering guide frame as the symmetry axis, and two connecting columns (2) are on the right side of the rightmost H-shaped lowering reserved hole (4), and the other two connecting columns (2) are on the left side of the leftmost H-shaped lowering reserved hole (4).
3. The H-shaped steel lowering guide frame for SMW piles according to claim 1, characterized in that: The central axis of the H-shaped steel lowering guide frame in the width direction is the axis of the three-axis cement-soil mixing pile.
4. The H-shaped steel lowering guide frame for SMW piles according to claim 1, characterized in that: Insert the H-shaped steel into the H-shaped lowering reserved hole (4).
5. The H-shaped steel lowering guide frame for SMW piles according to claim 1, characterized in that: The actual number of layers of the H-shaped steel lowering guide frame (3) is several layers, and the spacing between any two layers of the H-shaped steel lowering guide frame (3) is the same.