CN209429137U - A safety device for lattice column stress relief - Google Patents
A safety device for lattice column stress relief Download PDFInfo
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- CN209429137U CN209429137U CN201822233965.1U CN201822233965U CN209429137U CN 209429137 U CN209429137 U CN 209429137U CN 201822233965 U CN201822233965 U CN 201822233965U CN 209429137 U CN209429137 U CN 209429137U
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- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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Abstract
Description
技术领域technical field
本实用新型涉及深基坑技术领域，具体涉及一种格构柱应力释放安全装置。The utility model relates to the technical field of deep foundation pits, in particular to a lattice column stress release safety device.
背景技术Background technique
随着我国经济和科技的不断发展，超大规模深基坑工程越来越多，基坑内的格构柱隆起问题是现阶段基坑开挖过程中必须面对的问题。格构柱与立柱桩是深基坑平面支撑系统的重要组成部分，在基坑的开挖过程中必须尽量保持格构柱受土压力与水压力的平衡，而在地下水较为丰富的地区，或降水较为频繁的地区，水压力往往较大，从而导致格构柱隆起往往加大，对基坑的安全性和稳定性造成影响。With the continuous development of my country's economy and technology, there are more and more ultra-large-scale deep foundation pit projects. The problem of lattice column uplift in the foundation pit is a problem that must be faced in the excavation process of the foundation pit at the present stage. Lattice columns and column piles are important components of the planar support system of deep foundation pits. During the excavation of foundation pits, it is necessary to keep the balance of earth pressure and water pressure on lattice columns as much as possible. In areas with rich groundwater, or In areas with frequent precipitation, the water pressure is often high, which leads to the increase of lattice column uplift, which affects the safety and stability of the foundation pit.
为使工作人员能在施工过程中解决格构隆起过大的问题，本申请提供一种格构柱应力释放安全装置。In order to enable workers to solve the problem of excessive lattice structure uplift during construction, the application provides a stress release safety device for lattice columns.
实用新型内容Utility model content
为解决背景技术中提到的问题，消除格构柱隆起带来的风险，本申请提出一种格构柱应力释放安全装置，技术方案如下：In order to solve the problems mentioned in the background technology and eliminate the risk caused by lattice column uplift, this application proposes a lattice column stress release safety device, the technical solution is as follows:
一种格构柱应力释放安全装置，其中，格构柱为多段结构，所述格构柱应力释放安全装置设置在相邻的上下两段格构柱之间；A lattice column stress release safety device, wherein the lattice column is a multi-segment structure, and the lattice column stress release safety device is arranged between two adjacent upper and lower lattice columns;
所述格构柱应力释放安全装置包括：第一固定件、第二固定件、多个连接件；The lattice column stress release safety device includes: a first fixing piece, a second fixing piece, and a plurality of connecting pieces;
所述第一固定件固定在上段格构柱的下端，第二固定件固定在下段格构柱的上端，第一固定件与第二固定件之间通过多个连接件固定，第一固定件与第二固定件之间留有一定的空间距离。The first fixing part is fixed on the lower end of the upper lattice column, the second fixing part is fixed on the upper end of the lower lattice column, the first fixing part and the second fixing part are fixed by a plurality of connecting parts, and the first fixing part There is a certain space distance from the second fixing part.
进一步的，所述第一固定件与上段格构柱之间、第二固定件与下段格构柱之间分别设置有加强筋。Further, reinforcing ribs are respectively provided between the first fixing part and the upper lattice column, and between the second fixing part and the lower lattice column.
进一步的，连接件为高强度螺栓。Further, the connecting parts are high-strength bolts.
进一步的，所述高强度螺栓的螺纹为细牙螺纹。Further, the threads of the high-strength bolts are fine threads.
进一步的，所述第一固定件包括多个第一固定件子件，多个第一固定件子件环绕上段格构柱设置，并与上段格构柱焊接固定；所述第二固定件包括多个第二固定件子件，多个第二固定件子件环绕下段格构柱设置，并与下段格构柱焊接固定；所述第一固定件子件、第二固定件子件的截面均为L型截面。Further, the first fixing part includes a plurality of first fixing parts, which are arranged around the upper lattice column and welded and fixed with the upper lattice column; the second fixing part includes A plurality of second fastener components, a plurality of second fastener components are arranged around the lower lattice column, and are welded and fixed with the lower lattice column; the cross-sections of the first fastener components and the second fastener components All are L-shaped cross-sections.
进一步的，所述第一固定件子件、第二固定件子件上均设置有肋板；所述肋板为三角形肋板。Further, ribs are provided on the first fixing sub-piece and the second fixing sub-piece; the ribs are triangular ribs.
进一步的，所述肋板为Q235b型钢材的肋板。Further, the ribs are Q235b steel ribs.
进一步的，连接件为高强度螺栓。Further, the connecting parts are high-strength bolts.
进一步的，所述高强度螺栓的螺纹为细牙螺纹。Further, the threads of the high-strength bolts are fine threads.
由于上述技术方案的应用，本实用新型与现有技术相比具有如下优点：Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art:
本实用新型提出的格构柱应力释放安全装置通过设置在相邻的上下两段格构柱之间，并使相邻的上下两段格构柱之间留有一定的空间距离的形式，改变了原有格构柱的结构，能在一定程度上减轻格构柱的隆起作用。同时本实用新型的装置包括第一固定件、第二固定件及多个连接件，第一固定件、第二固定件之间通过多个连接件连接，当基坑格构柱处设置有用于监测格构柱隆起的监测装置监测到的隆起值超出设定值后可以通过调节连接件释放应力，从而解决基坑施工过程中格构柱隆起过大的问题。本申请结构简单，实用性能良好，应用广泛，具有良好的推广应用前景。The lattice column stress release safety device proposed by the utility model is arranged between the adjacent upper and lower sections of the lattice column, and leaves a certain space distance between the adjacent upper and lower sections of the lattice column. The structure of the original lattice column can be reduced to a certain extent the uplift effect of the lattice column. Simultaneously, the device of the present utility model comprises a first fixing piece, a second fixing piece and a plurality of connecting pieces, and the first fixing piece and the second fixing piece are connected by a plurality of connecting pieces. When the monitoring device for monitoring lattice column uplift monitors the uplift value exceeding the set value, the stress can be released by adjusting the connector, thereby solving the problem of excessive lattice column uplift during foundation pit construction. The invention has the advantages of simple structure, good practical performance, wide application and good promotion and application prospect.
附图说明Description of drawings
图1为本实用新型实施例1的格构柱应力释放安全装置的结构示意图。Fig. 1 is a structural schematic diagram of a lattice column stress relief safety device according to Embodiment 1 of the present utility model.
图2为本实用新型实施例2的格构柱应力释放安全装置的结构示意图。Fig. 2 is a structural schematic diagram of a stress release safety device for a lattice column according to Embodiment 2 of the present utility model.
图3为本实用新型实施例2的格构柱应力释放安全装置中第一固定件的俯视结构示意图。Fig. 3 is a top view structural diagram of the first fixing member in the stress release safety device for lattice columns according to the second embodiment of the present utility model.
图中：1-钢筋混凝土支撑，2-上段格构柱，3-加强筋，4-第一固定件，5-第二固定件，6-下段格构柱，7-连接件，8-肋板，9-第一固定件子件。In the figure: 1-reinforced concrete support, 2-upper lattice column, 3-reinforcing rib, 4-first fixing piece, 5-second fixing piece, 6-lower section lattice column, 7-connecting piece, 8-rib Plate, 9 - First Fixture Component.
具体实施方式Detailed ways
下面结合附图并通过具体实施例对本实用新型进行清楚完整的描述。The utility model will be clearly and completely described below in conjunction with the accompanying drawings and through specific embodiments.
实施例1Example 1
本实施例提出一种格构柱应力释放安全装置，如图1所示的，与钢筋混凝土支撑1固定连接的格构柱为多段结构，上述安全装置设置在相邻的上下两段格构柱之间。This embodiment proposes a lattice column stress release safety device. As shown in Figure 1, the lattice column fixedly connected to the reinforced concrete support 1 is a multi-section structure, and the above-mentioned safety device is arranged on the adjacent upper and lower sections of the lattice column. between.
上述安全装置包括第一固定件4、第二固定件5以及多个连接件7，其中第一固定件4固定在上段格构柱2的下端，第二固定件5固定在下段格构柱6的上端，第一固定件4与第二固定件5之间通过多个连接件7固定，并留有一定的空间距离。The above-mentioned safety device includes a first fixing part 4, a second fixing part 5 and a plurality of connecting parts 7, wherein the first fixing part 4 is fixed on the lower end of the upper lattice column 2, and the second fixing part 5 is fixed on the lower lattice column 6 The upper end of the upper end, the first fixing part 4 and the second fixing part 5 are fixed by a plurality of connecting parts 7, and a certain space distance is left.
本实施例中的第一固定件4、第二固定件5均为一体化结构；其中，第一固定件4环绕上段格构柱2设置，并与上段格构柱2焊接固定；第二固定件5环绕下端格构柱设置，并与下段格构柱6焊接固定，该种设置方式及固定方式能够最大程度保证安全装置的稳定性。The first fixing part 4 and the second fixing part 5 in this embodiment are both integrated structures; wherein, the first fixing part 4 is arranged around the upper lattice column 2, and is welded and fixed with the upper lattice column 2; the second fixing The piece 5 is arranged around the lower lattice column, and is welded and fixed with the lower lattice column 6. This arrangement and fixing method can ensure the stability of the safety device to the greatest extent.
本实施例中，为有效增加第一固定件4、第二固定件5的强度，防止格构柱隆起时第一固定件4、第二固定件5被破坏，在上述第一固定件4与上段格构柱2之间、第二固定件5与下段格构柱6之间分别设置有加强筋3，上述加强筋3需关于格构柱对称设置，以保证安全装置的稳定性。In this embodiment, in order to effectively increase the strength of the first fixing member 4 and the second fixing member 5, and prevent the first fixing member 4 and the second fixing member 5 from being damaged when the lattice column is uplifted, the above-mentioned first fixing member 4 and the second fixing member 5 are Reinforcing ribs 3 are arranged between the upper lattice columns 2 and between the second fixing member 5 and the lower lattice columns 6 respectively. The above reinforcing ribs 3 need to be arranged symmetrically with respect to the lattice columns to ensure the stability of the safety device.
本实施例中的连接件7为螺栓，为避免格构柱隆起时损坏连接件7，从而导致上下段格构柱6的连接结构损坏，螺栓需选用高强度螺栓，选用的最低强度应为8.8级。The connecting piece 7 in this embodiment is a bolt. In order to avoid damage to the connecting piece 7 when the lattice column is uplifted, thereby causing damage to the connection structure of the upper and lower lattice columns 6, high-strength bolts should be selected for the bolt, and the minimum strength selected should be 8.8 class.
本实施例中提出的格构柱应力释放安全装置具体应用如下：The specific application of the lattice column stress relief safety device proposed in this embodiment is as follows:
基坑的格构柱处设置有用于监测格构柱隆起的监测装置，当格构柱的隆起超过监测装置设定的报警值时，工作人员可以通过调节连接件7，释放格构柱应力，以减少隆起对格构柱的作用力，保证基坑支撑系统的稳定性及安全性。本实施例中，工作人员可以通过调节高强度螺栓来释放格构柱压力，同时，为保证工作人员依据监测装置的监测数据调节螺栓时，避免因一侧调节幅度过大导致受力不均衡，提高调节的安全性及稳定性，上述高强度螺栓的高强度螺栓的螺纹为细牙螺纹。The lattice column of the foundation pit is equipped with a monitoring device for monitoring the uplift of the lattice column. When the uplift of the lattice column exceeds the alarm value set by the monitoring device, the staff can release the stress of the lattice column by adjusting the connector 7, In order to reduce the force of the uplift on the lattice column and ensure the stability and safety of the support system of the foundation pit. In this embodiment, the staff can release the pressure of the lattice column by adjusting the high-strength bolts. At the same time, in order to ensure that when the staff adjusts the bolts according to the monitoring data of the monitoring device, the unbalanced force caused by the excessive adjustment range on one side is avoided. To improve the safety and stability of the adjustment, the thread of the high-strength bolt of the above-mentioned high-strength bolt is a fine pitch thread.
实施例2Example 2
为便于工地施工时就地取材，提高安全装置的普适性，提出本实施例。This embodiment is proposed in order to facilitate the acquisition of local materials during construction and improve the universality of safety devices.
与实施例1不同的是，本实施例中，如图2及图3所示，第一固定件4包括多个第一固定件子件9，多个第一固定件子件9环绕上段格构柱2设置，并与上段格构柱2焊接固定；Different from Embodiment 1, in this embodiment, as shown in Fig. 2 and Fig. 3, the first fixing member 4 includes a plurality of first fixing member sub-parts 9, and the plurality of first fixing member sub-parts 9 surround the upper grid The structural column 2 is set and welded to the upper lattice column 2;
第二固定件5包括多个第二固定件子件，多个第二固定件子件环绕下段格构柱6设置，并与下段格构柱6焊接固定；The second fixing part 5 comprises a plurality of second fixing parts, and the plurality of second fixing parts are arranged around the lower lattice column 6, and are welded and fixed with the lower lattice column 6;
第一固定件子件9、第二固定件子件的截面均为L型截面。The cross-sections of the first fastener sub-element 9 and the second fastener sub-element are both L-shaped cross-sections.
如图3所示的，本实施中第一固定件2包括4个第一固定件子件9，为便于工地就地取材，上述第一固定件子件9可为角钢，4个第一固定件子件9环绕上段格构柱2设置，并与上段格构柱2焊接固定。As shown in Figure 3, the first fixture 2 includes four first fixture sub-parts 9 in this implementation. The pieces 9 are arranged around the upper lattice column 2 and fixed by welding with the upper lattice column 2 .
与第一固定件2相对应的，本实施例中的第二固定件5包括4个第二固定件子件，为便于工地就地取材，上述第二固定件子件可为角钢，4个第二固定件子件环绕下端格构柱6设置，并与下段格构柱6焊接固定。Corresponding to the first fixing part 2, the second fixing part 5 in this embodiment includes 4 second fixing parts. The second fixing component is arranged around the lower lattice column 6 and welded to the lower lattice column 6 .
本实施例中，为有效增加第一固定件4、第二固定件5的强度，防止格构柱隆起时第一固定件4、第二固定件5被破坏，上述第一固定件子件9、第二固定件子件上均设置有肋板8；为进一步增加第一固定件子件、第二固定件子件的稳定性，上述肋板8为三角形肋板；且为Q235b型钢材的肋板。In this embodiment, in order to effectively increase the strength of the first fixing part 4 and the second fixing part 5, and prevent the first fixing part 4 and the second fixing part 5 from being damaged when the lattice column is uplifted, the above-mentioned first fixing part 9 1. A rib plate 8 is arranged on the second fixing part; in order to further increase the stability of the first fixing part and the second fixing part, the above-mentioned rib 8 is a triangular rib; and it is made of Q235b steel Ribs.
本实施例中的连接件7为螺栓，为避免格构柱隆起时损坏连接件7，从而导致上下段格构柱6的连接结构损坏，螺栓需选用高强度螺栓，选用的最低强度应为8.8级。The connecting piece 7 in this embodiment is a bolt. In order to avoid damage to the connecting piece 7 when the lattice column is uplifted, thereby causing damage to the connection structure of the upper and lower lattice columns 6, high-strength bolts should be selected for the bolt, and the minimum strength selected should be 8.8 class.
本实施例中提出的格构柱应力释放安全装置具体应用如下：The specific application of the lattice column stress relief safety device proposed in this embodiment is as follows:
基坑的格构柱处设置有用于监测格构柱隆起的监测装置，当格构柱的隆起超过监测装置设定的报警值时，工作人员可以通过调节连接件7，释放格构柱应力，以减少隆起对格构柱的作用力，保证基坑支撑系统的稳定性及安全性。本实施例中，工作人员可以通过调节高强度螺栓来释放格构柱压力，同时，为保证工作人员依据监测装置的监测数据调节螺栓时，避免因一侧调节幅度过大导致受力不均衡，提高调节的安全性及稳定性，上述高强度螺栓的高强度螺栓的螺纹为细牙螺纹。The lattice column of the foundation pit is equipped with a monitoring device for monitoring the uplift of the lattice column. When the uplift of the lattice column exceeds the alarm value set by the monitoring device, the staff can release the stress of the lattice column by adjusting the connector 7, In order to reduce the force of the uplift on the lattice column and ensure the stability and safety of the support system of the foundation pit. In this embodiment, the staff can release the pressure of the lattice column by adjusting the high-strength bolts. At the same time, in order to ensure that when the staff adjusts the bolts according to the monitoring data of the monitoring device, the unbalanced force caused by the excessive adjustment range on one side is avoided. To improve the safety and stability of the adjustment, the thread of the high-strength bolt of the above-mentioned high-strength bolt is a fine pitch thread.
尽管参照前述实施例对本实用新型进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换，凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.
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| CN112392050A (en) * | 2019-08-16 | 2021-02-23 | 上海申通地铁集团有限公司 | Stand uplift adjusting device and foundation pit supporting system comprising same |
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| CN112392050A (en) * | 2019-08-16 | 2021-02-23 | 上海申通地铁集团有限公司 | Stand uplift adjusting device and foundation pit supporting system comprising same |
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