CN206706772U - A kind of double steel sheet pile supporting construction - Google Patents
A kind of double steel sheet pile supporting construction Download PDFInfo
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- CN206706772U CN206706772U CN201720197429.3U CN201720197429U CN206706772U CN 206706772 U CN206706772 U CN 206706772U CN 201720197429 U CN201720197429 U CN 201720197429U CN 206706772 U CN206706772 U CN 206706772U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 132
- 239000010959 steel Substances 0.000 title claims abstract description 132
- 238000010276 construction Methods 0.000 title abstract description 35
- 239000002689 soil Substances 0.000 claims abstract description 16
- 230000002787 reinforcement Effects 0.000 claims description 14
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Abstract
Description
技术领域technical field
本实用新型涉及岩土工程技术领域，尤其涉及一种双排钢板桩支护结构。The utility model relates to the technical field of geotechnical engineering, in particular to a double-row steel sheet pile supporting structure.
背景技术Background technique
随着经济建设的发展，影响工程建设的因素越来越多，难免会碰到一些工程项目在开始施工之后，原有设计施工条件发生改变，可能导致已建边坡工程无法按原设计施工或者按原设计施工存在安全隐患，进行完全的变更设计往往耗费巨大的人力物力，大幅度增加工期和工程造价。此时在现有施工的基础上进行抢险加固处理将是一个较好的选择。需要对已施工部分进行抢险加固。With the development of economic construction, there are more and more factors affecting engineering construction. It is inevitable that some engineering projects will encounter changes in the original design and construction conditions after the construction starts, which may cause the built slope engineering to fail to be constructed according to the original design or There are potential safety hazards in the construction according to the original design, and a complete change of the design often consumes huge manpower and material resources, greatly increasing the construction period and project cost. At this time, it will be a better choice to carry out emergency reinforcement treatment on the basis of existing construction. Emergency reinforcement is required for the constructed part.
目前，根据《建筑边坡工程鉴定与加固工程技术规范》(GB 50843-2013),边坡加固方法主要有：1、削方减载法；2、堆载反压法；3、锚固加固法；4、抗滑桩加固法；5、加大截面面积法；6、注浆加固法；7、截排水法。但有时候会有一些项目，无法采用这些常规方法进行加固，或者采用这些常规方法进行加固施工工期长、造价高导致需要考虑采取一些非常规方法进行加固。比如采用抗滑桩加固时，如果规模较小，仅需打设2或3根抗滑桩即可，抗滑桩桩长较小，如桩长L＝5m-10m，这种情况下采用抗滑桩进行加固虽然技术上可行，但在施工工期、施工人员配备、机械配备等方面显得极不合理。钢板桩在已有工程应用中，一般应用于临时性边坡支护、临时性抢险工程，很少用于永久边坡；钢板桩在日常工程应用中，一般采用单排，偶尔采用两排，但两排之间往往互不相关，无法联接为一整体。针对这种边坡加固现状，本实用新型提出了一种双排钢板桩支护的结构。At present, according to the "Technical Specifications for Building Slope Engineering Appraisal and Reinforcement Engineering" (GB 50843-2013), the slope reinforcement methods mainly include: 1. Cutting square load reduction method; 2. Heap load back pressure method; 3. Anchorage reinforcement method ; 4. Anti-slide pile reinforcement method; 5. Enlarging the cross-sectional area method; 6. Grouting reinforcement method; 7. Cutting drainage method. However, sometimes there are some projects that cannot be reinforced by these conventional methods, or the long construction period and high cost of these conventional methods make it necessary to consider adopting some unconventional methods for reinforcement. For example, when anti-slide piles are used for reinforcement, if the scale is small, only 2 or 3 anti-slide piles need to be installed. The length of the anti-slide piles is relatively small, such as pile length L=5m-10m. Although the reinforcement of sliding piles is technically feasible, it is extremely unreasonable in terms of construction period, construction personnel allocation, and mechanical equipment. In existing engineering applications, steel sheet piles are generally used in temporary slope support and temporary emergency projects, and are rarely used in permanent slopes; in daily engineering applications, steel sheet piles are generally used in single rows, and occasionally in two rows. However, the two rows are often not related to each other and cannot be connected as a whole. Aiming at the present situation of slope reinforcement, the utility model proposes a double-row steel sheet pile supporting structure.
实用新型内容Utility model content
本实用新型的目的在于克服现有技术中的缺点与不足，提供一种整体性好、结构强度高的双排钢板桩支护结构。The purpose of the utility model is to overcome the shortcomings and deficiencies in the prior art, and provide a double-row steel sheet pile support structure with good integrity and high structural strength.
为了实现上述目的，本实用新型提供了一种双排钢板桩支护结构，其包括前排钢板桩、后排钢板桩、桩间土体和混凝土板，所述前排钢板桩与所述后排钢板桩平行间隔设置，所述混凝土板连接在所述前排钢板桩的顶部与所述后排钢板桩的顶部之间，所述桩间土体填充在所述前排钢板桩和所述后排钢板桩之间且被所述混凝土板覆盖。In order to achieve the above purpose, the utility model provides a double-row steel sheet pile support structure, which includes a front row of steel sheet piles, a rear row of steel sheet piles, soil between piles and a concrete slab, the front row of steel sheet piles and the rear row Rows of steel sheet piles are arranged at intervals in parallel, the concrete slab is connected between the top of the front row of steel sheet piles and the top of the rear row of steel sheet piles, and the soil between the piles is filled between the front row of steel sheet piles and the top of the rear row of steel sheet piles. Between the rear row of sheet piles and covered by the concrete slab.
作为上述技术方案的改进，所述混凝土板内设置有多条水平受力筋和竖向分布筋，多条所述水平受力筋并排焊接在所述前排钢板桩和所述后排钢板桩之间，多条所述竖向分布筋并排竖直设置在所述前排钢板桩和所述后排钢板桩之间且与所述前排钢板桩、所述后排钢板桩平行。As an improvement of the above technical solution, multiple horizontal stress bars and vertical distribution bars are arranged in the concrete slab, and the multiple horizontal stress bars are welded side by side on the front row of steel sheet piles and the rear row of steel sheet piles Among them, a plurality of the vertical distribution ribs are vertically arranged side by side between the front row of steel sheet piles and the rear row of steel sheet piles and parallel to the front row of steel sheet piles and the rear row of steel sheet piles.
作为上述技术方案的改进，所述前排钢板桩与所述后排钢板桩均为拉森Ⅳ型钢板桩。As an improvement of the above technical solution, both the front row of steel sheet piles and the rear row of steel sheet piles are Larsen IV type steel sheet piles.
作为上述技术方案的改进，所述前排钢板桩和所述后排钢板桩长度均设为L，其中，9m≤L≤12m。As an improvement of the above technical solution, the lengths of the front row of steel sheet piles and the rear row of steel sheet piles are both set to L, wherein 9m≤L≤12m.
作为上述技术方案的改进，所述混凝土板厚度为D；其中150mm≤D≤200mm。As an improvement of the above technical solution, the thickness of the concrete slab is D; wherein 150mm≤D≤200mm.
作为上述技术方案的改进，所述水平受力筋选用直径为25mm的钢筋。As an improvement of the above-mentioned technical solution, the steel bar with a diameter of 25 mm is selected as the horizontal stress bar.
作为上述技术方案的改进，所述竖向分布筋选用直径为12mm的钢筋。As an improvement of the above-mentioned technical solution, the vertical distribution bars are steel bars with a diameter of 12 mm.
作为上述技术方案的改进，所述混凝土板选用C15素砼。As an improvement of the above technical solution, the concrete slab is made of C15 plain concrete.
本实用新型提供的一种双排钢板桩支护结构，与现有技术相比较，具有如下有益效果：本实用新型的前排钢板桩、后排钢板桩、桩间土体和混凝土板形成整体的双排钢板桩支护结构，混凝土板连接在前排钢板桩的顶部与后排钢板桩的顶部之间，前排钢板桩和后排钢板桩之间还填充有桩间土体，大大提高支护结构的结构强度和稳定性，整个支护体系施工便利，经济性好，有助于节约工期和造价。且对于施工场地受限、工程规模不大的边坡进行加固时，不易受施工工作面影响，能够保证工期，大大降低工程造价。采用本实用新型的双排钢板桩支护结构，简单易行，节约工期和造价，施工灵活度高，且视觉效果良好。Compared with the prior art, the double-row steel sheet pile supporting structure provided by the utility model has the following beneficial effects: the front row of steel sheet piles, the rear row of steel sheet piles, the soil between the piles and the concrete slab form a whole The double-row steel sheet pile support structure, the concrete slab is connected between the top of the front row of steel sheet piles and the top of the rear row of steel sheet piles, and the space between the front row of steel sheet piles and the rear row of steel sheet piles is filled with soil between the piles, which greatly improves The structural strength and stability of the support structure, the construction of the entire support system is convenient, the economy is good, and it helps to save the construction period and cost. And when the slope with limited construction site and small project scale is reinforced, it is not easily affected by the construction work surface, can guarantee the construction period, and greatly reduce the project cost. Adopting the double-row steel sheet pile support structure of the utility model is simple and easy to implement, saves construction period and cost, has high construction flexibility, and has good visual effect.
附图说明Description of drawings
为了更清楚地说明本实用新型实施例的技术方案，下面将对实施例的附图作简单地介绍。In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings of the embodiments will be briefly introduced below.
图1是本实用新型实施例提供的一种双排钢板桩支护结构的俯视图；Fig. 1 is a top view of a double-row steel sheet pile support structure provided by an embodiment of the present invention;
图2是本实用新型提供的一种双排钢板桩支护结构的侧视图。Fig. 2 is a side view of a double-row steel sheet pile supporting structure provided by the utility model.
其中，1-前排钢板桩，2-后排钢板桩，3-桩间土体，4-混凝土板，5-水平受力筋，6-竖向分布筋。Among them, 1-front row of steel sheet piles, 2-back row of steel sheet piles, 3-soil between piles, 4-concrete slab, 5-horizontal stress bars, 6-vertical distribution bars.
具体实施方式detailed description
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
参见图1-图2所示，本实用新型提供了一种双排钢板桩支护结构，其包括前排钢板桩1、后排钢板桩2、桩间土体3和混凝土板4，所述前排钢板桩1与所述后排钢板桩2平行间隔设置，所述混凝土板4连接在所述前排钢板桩1的顶部与所述后排钢板桩2的顶部之间，所述桩间土体3填充在所述前排钢板桩1和所述后排钢板桩2之间且被所述混凝土板4覆盖。具体设置时，前排钢板桩1面向开挖侧，后排钢板桩2面向迎土侧。本实用新型提供的一种双排钢板桩支护结构，与现有技术相比较，具有如下有益效果：本实用新型的前排钢板桩1、后排钢板桩2、桩间土体3和混凝土板4形成整体的双排钢板桩支护结构，混凝土板4连接在前排钢板桩1的顶部与后排钢板桩2的顶部之间，前排钢板桩1和后排钢板桩2之间还填充有桩间土体3，大大提高支护结构的结构强度和稳定性，整个支护体系施工便利，经济性好，有助于节约工期和造价。且对于施工场地受限、工程规模不大的边坡进行加固时，不易受施工工作面影响，能够保证工期，大大降低工程造价。采用本实用新型的双排钢板桩支护结构，简单易行，节约工期和造价，施工灵活度高，且视觉效果良好。Referring to Figures 1-2, the utility model provides a double-row steel sheet pile support structure, which includes a front row of steel sheet piles 1, a rear row of steel sheet piles 2, soil between piles 3 and a concrete slab 4. The front row of steel sheet piles 1 and the rear row of steel sheet piles 2 are arranged at intervals in parallel, the concrete slab 4 is connected between the top of the front row of steel sheet piles 1 and the top of the rear row of steel sheet piles 2, and the gap between the piles is The soil body 3 is filled between the front row of steel sheet piles 1 and the rear row of steel sheet piles 2 and covered by the concrete slab 4 . During specific setting, the steel sheet piles 1 in the front row face the excavation side, and the steel sheet piles 2 in the rear row face the soil-facing side. Compared with the prior art, the double-row steel sheet pile support structure provided by the utility model has the following beneficial effects: the front row steel sheet piles 1, the rear row steel sheet piles 2, the soil between the piles 3 and the concrete The slab 4 forms an integral double-row steel sheet pile support structure, and the concrete slab 4 is connected between the top of the front row of steel sheet piles 1 and the top of the rear row of steel sheet piles 2, and between the front row of steel sheet piles 1 and the rear row of steel sheet piles 2 The soil 3 between the piles is filled, which greatly improves the structural strength and stability of the support structure. The construction of the entire support system is convenient and economical, which helps to save construction period and cost. And when the slope with limited construction site and small project scale is reinforced, it is not easily affected by the construction work surface, can guarantee the construction period, and greatly reduce the project cost. Adopting the double-row steel sheet pile support structure of the utility model is simple and easy to implement, saves construction period and cost, has high construction flexibility, and has good visual effect.
更佳地，在本实施例中，所述混凝土板4内设置有多条水平受力筋5和竖向分布筋6，多条所述水平受力筋5并排焊接在所述前排钢板桩1和所述后排钢板桩2之间，多条所述竖向分布筋6并排竖直设置在所述前排钢板桩1和所述后排钢板桩2之间且与所述前排钢板桩1、所述后排钢板桩2平行。水平受力筋和竖向分布筋与混凝土板浇筑为一体，所述混凝土板4厚度为D；其中150mm≤D≤200mm，水平受力筋5在混凝土板4内并排分布为一层布置，以对整体结构起着抗弯压的作用，既能节省用材，又能保证结构强度。同时，竖向分布筋6布置为多排平行间隔的方式，主要对整体结构起着维护、拉结等构造作用。More preferably, in this embodiment, the concrete slab 4 is provided with multiple horizontal stress ribs 5 and vertical distribution ribs 6, and the multiple horizontal stress ribs 5 are welded side by side on the front row of steel sheet piles. 1 and the rear row of steel sheet piles 2, a plurality of vertically distributed ribs 6 are vertically arranged side by side between the front row of steel sheet piles 1 and the rear row of steel sheet piles 2 and connected to the front row of steel sheet piles Pile 1 and the rear row of steel sheet piles 2 are parallel. The horizontal stress bars and the vertical distribution bars are poured together with the concrete slab, and the thickness of the concrete slab 4 is D; where 150mm≤D≤200mm, the horizontal stress bars 5 are arranged side by side in the concrete slab 4 and arranged in one layer, with It plays a role in resisting bending and compression on the overall structure, which can not only save materials, but also ensure the structural strength. At the same time, the vertical distribution ribs 6 are arranged in multiple rows in a parallel and spaced manner, which mainly play a structural role in maintaining and tying the overall structure.
更佳地，在本实施例中，所述前排钢板桩1与所述后排钢板桩2均为拉森Ⅳ型钢板桩。拉森钢板桩的英文名称为：Lassen Steel Sheet Pile或Lassen Steel Sheet Piling。因国内很多人习惯将槽钢称作钢板桩，为了与槽钢区分，翻译为拉森钢板桩。拉森钢板桩的用途非常广泛，在永久性结构建筑上，可用于码头、卸货场、堤防护岸、护墙、挡土墙、防波堤、导流堤、船坞、闸门等；在临时性构筑物上，可用于封山、临时扩岸、断流、建桥围堰、大型管道铺设临时沟渠开挖的挡土、挡水、挡沙等；在抗洪抢险上，可用于防洪、防塌陷、防流沙等。根据钢板桩横截面形状和用途主要分为：U形、Z形、W形三种形状钢板桩，在本实用新型中，采用的是W形拉森Ⅳ型钢板桩，其对于边坡的加固作用最好。More preferably, in this embodiment, the steel sheet piles 1 in the front row and the steel sheet piles 2 in the rear row are both Larsen IV type steel sheet piles. The English name of Lassen steel sheet pile is: Lassen Steel Sheet Pile or Lassen Steel Sheet Piling. Because many people in China are accustomed to calling channel steel sheet piles, in order to distinguish them from channel steel, it is translated as Larsen steel sheet piles. Larsen steel sheet piles have a wide range of uses. In permanent structures, they can be used in docks, unloading yards, embankment protection banks, parapets, retaining walls, breakwaters, diversion embankments, docks, gates, etc.; in temporary structures, It can be used for retaining mountains, temporarily expanding banks, cutting off flow, building bridge cofferdams, and excavating temporary ditches for large-scale pipeline laying, retaining soil, water, and sand; . According to the cross-sectional shape and use of the steel sheet pile, it is mainly divided into three types: U-shaped, Z-shaped, and W-shaped steel sheet piles. Works best.
更佳地，在本实施例中，所述前排钢板桩1和所述后排钢板桩2长度均设为L，其中，9m≤L≤12m。根据实验人员大量实验测试，得出该长度范围的前排钢板桩1和后排钢板桩2最为适宜作支护结构，当然，前排钢板桩1和后排钢板桩2的长度也可以根据实际施工情况进行调整。More preferably, in this embodiment, the lengths of the front row of steel sheet piles 1 and the rear row of steel sheet piles 2 are both set to L, where 9m≤L≤12m. According to a large number of experimental tests by the experimenters, it is concluded that the front row of steel sheet piles 1 and the rear row of steel sheet piles 2 in this length range are most suitable for supporting structures. The construction situation is adjusted.
更佳地，在本实施例中，所述水平受力筋5选用直径为25mm的钢筋。More preferably, in this embodiment, the horizontal stress reinforcement 5 is a steel bar with a diameter of 25mm.
更佳地，在本实施例中，所述竖向分布筋6选用直径为12mm的钢筋。More preferably, in this embodiment, the vertical distribution bars 6 are steel bars with a diameter of 12mm.
更佳地，在本实施例中，所述混凝土板4选用C15素砼。More preferably, in this embodiment, the concrete slab 4 is made of C15 plain concrete.
本实用新型提供的一种双排钢板桩支护结构，与现有技术相比较，具有如下有益效果：本实用新型的前排钢板桩1、后排钢板桩2、桩间土体3和混凝土板4形成整体的双排钢板桩支护结构，混凝土板4连接在前排钢板桩1的顶部与后排钢板桩2的顶部之间，前排钢板桩1和后排钢板桩2之间还填充有桩间土体3，大大提高支护结构的结构强度和稳定性，整个支护体系施工便利，经济性好，有助于节约工期和造价。且对于施工场地受限、工程规模不大的边坡进行加固时，不易受施工工作面影响，能够保证工期，大大降低工程造价。采用本实用新型的双排钢板桩支护结构，简单易行，节约工期和造价，施工灵活度高，且视觉效果良好。Compared with the prior art, the double-row steel sheet pile support structure provided by the utility model has the following beneficial effects: the front row steel sheet piles 1, the rear row steel sheet piles 2, the soil between the piles 3 and the concrete The slab 4 forms an integral double-row steel sheet pile support structure, and the concrete slab 4 is connected between the top of the front row of steel sheet piles 1 and the top of the rear row of steel sheet piles 2, and between the front row of steel sheet piles 1 and the rear row of steel sheet piles 2 The soil 3 between the piles is filled, which greatly improves the structural strength and stability of the support structure. The construction of the entire support system is convenient and economical, which helps to save construction period and cost. And when the slope with limited construction site and small project scale is reinforced, it is not easily affected by the construction work surface, can guarantee the construction period, and greatly reduce the project cost. Adopting the double-row steel sheet pile support structure of the utility model is simple and easy to implement, saves construction period and cost, has high construction flexibility, and has good visual effect.
在本实用新型的描述中，需要理解的是，术语“上”、“下”、“左”、“右”等指示方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以及特定的方位构造和操作，因此，不能理解为对本实用新型的限制。此外，“第一”、“第二”仅由于描述目的，且不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。因此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者多个该特征。本实用新型的描述中，除非另有说明，“多个”的含义是两个或两个以上。In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", etc. indicating orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the purpose of It is convenient to describe the utility model and simplify the description, but does not indicate or imply that the device or element referred to must have a specific orientation, as well as a specific orientation configuration and operation, therefore, it should not be construed as a limitation of the utility model. In addition, "first" and "second" are for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Therefore, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.
在本实用新型的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”“相连”“连接”等应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接连接，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本实用新型中的具体含义。In the description of the present utility model, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", "connection" and so on should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.
以上所述是本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型所述原理的前提下，还可以作出若干改进和润饰，这些改进和润饰也应视为本实用新型的保护范围。The foregoing is a preferred embodiment of the present utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the present utility model. Retouching should also be regarded as the scope of protection of the present utility model.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108457297A (en) * | 2018-04-03 | 2018-08-28 | 中船第九设计研究院工程有限公司 | A kind of high-pressure rotary-spray retaining wall restorative procedure |
| CN109235421A (en) * | 2018-10-16 | 2019-01-18 | 中铁第四勘察设计院集团有限公司 | A kind of double steel sheet pile fabricated structure of steel purlin also serving as interim sidewalk |
| CN109235422A (en) * | 2018-10-16 | 2019-01-18 | 中铁第四勘察设计院集团有限公司 | A kind of double steel sheet pile fabricated structure of steel purlin |
| CN111305231A (en) * | 2020-04-01 | 2020-06-19 | 天津二建建筑工程有限公司 | Composite steel plate wall semi-rigid cantilever foundation pit support system |
| CN111663519A (en) * | 2020-05-26 | 2020-09-15 | 浙江大学 | Reinforcing agent for reinforcing deep-buried earthen site and construction method thereof |
| CN113969586A (en) * | 2020-07-23 | 2022-01-25 | 卢铖昀 | Composite side slope supporting structure of steel sheet pile and cast-in-place pile |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108457297A (en) * | 2018-04-03 | 2018-08-28 | 中船第九设计研究院工程有限公司 | A kind of high-pressure rotary-spray retaining wall restorative procedure |
| CN109235421A (en) * | 2018-10-16 | 2019-01-18 | 中铁第四勘察设计院集团有限公司 | A kind of double steel sheet pile fabricated structure of steel purlin also serving as interim sidewalk |
| CN109235422A (en) * | 2018-10-16 | 2019-01-18 | 中铁第四勘察设计院集团有限公司 | A kind of double steel sheet pile fabricated structure of steel purlin |
| CN111305231A (en) * | 2020-04-01 | 2020-06-19 | 天津二建建筑工程有限公司 | Composite steel plate wall semi-rigid cantilever foundation pit support system |
| CN111663519A (en) * | 2020-05-26 | 2020-09-15 | 浙江大学 | Reinforcing agent for reinforcing deep-buried earthen site and construction method thereof |
| CN111663519B (en) * | 2020-05-26 | 2021-03-23 | 浙江大学 | Reinforcing agent for reinforcing deep-buried earthen site and construction method thereof |
| CN113969586A (en) * | 2020-07-23 | 2022-01-25 | 卢铖昀 | Composite side slope supporting structure of steel sheet pile and cast-in-place pile |
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