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Embedded iron member and anchor bar connecting structure
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A technology of pre-embedded iron parts and anchor bars, which is applied in basic structural engineering, construction, sheet pile walls, etc. Avoid overall welding deformation, facilitate construction, and avoid the effect of local welding
Inactive Publication Date: 2015-01-14
顾孙平
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Problems solved by technology
At present, the most commonly used connection method between pre-embedded iron parts and anchor bars, especially pile end plates and anchor bars, pre-embedded steel plates and anchor bars is to weld the anchor bars to the pre-embedded iron parts, and there are many problems in the welding process First, welding will cause deformation of the embedded iron parts, making the surface of the embedded iron parts uneven, which will cause difficulties in subsequent construction; second, welding will easily damage the anchor reinforcement, reduce the tensile strength of the anchor reinforcement, and affect the connection effect; It is the harmful gas produced by welding, which affects occupational health and is not conducive to environmental protection; the fourth is that the welding method not only increases the consumption and cost of materials, but also increases the working time on site and reduces the efficiency of installation
This connection method of embedded parts and anchor bars has three main disadvantages. One is to increase the workload of on-site welding, and the other is that the surface of the embedded parts is uneven due to welding deformation. When the installation accuracy is high, the welding parts must be checked Grinding is time-consuming and labor-intensive; the third is welding around the anchor bar, which can easily lead to undercutting, and the steel types of the anchor bar and the embedded plate are also different, resulting in a smaller cross-section of the anchor bar and a reduction in the strength of the anchor bar
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Embodiment 1
[0026] Embodiment 1: Connection structure and technology of pile end plate and anchor bar
[0027] Such as Figure 5 , Figure 6 , Figure 7 , Figure 8 As shown, this embodiment includes: anchor bars 1, pile rods 2, and anchor bolts 3. The ends of the pile rods 2 are provided with pile end plates 21, and the pile end plates 21 are provided with 12 tension nuts 211.
[0028] The anchor bolts 3 are divided into two groups, the first group: suitable for anchor bars with a diameter less than or equal to 18mm, such as Figure 5 As shown, the base material of the anchor bolt 3 is a HRB400 steel bar with a diameter of φ23mm to φ33mm, and the length of the steel bar is 25mm to 35mm. Position, inwardly process the internal thread matching the size of the anchor bar 1, the depth is 20mm to 30mm, and the anchor bolt 3 is completed; the second group: suitable for anchor bars with a diameter greater than 18mm, such as Figure 6 As shown, the base material of the anchor bolt 3 is a HR...
Embodiment 2
[0036] Embodiment 2: Connection structure and technology of embedded steel plate and anchor bar
[0037] Such as Figure 5 , Figure 6 , Figure 7 , Figure 9 As shown, this embodiment includes: anchor bars 1 and embedded steel plates 4 . On the pre-embedded steel plate 4, four holes 41 are drilled, the size of the holes 41 cooperates with the anchor bar 1, an internal thread is set in the hole 41, the hole 41 is a nut, and an external thread 11 is processed at one end of the anchor bar 1, and The external thread 11 cooperates with the internal thread of the hole 41, the anchor bar 1 is a bolt, and the anchor bar 1 is threadedly connected with the embedded steel plate 4 through the external thread 11.
[0038] see Figure 5 , Figure 6 , Figure 7 , Figure 9 , the concrete technological process of embodiment two is as follows:
[0039] ① Cut the pre-embedded steel plate 4 into the size required by the design, select the size of the drilled hole 41 at the required posit...
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Abstract
The invention relates to the technical field of construction, in particular to an embedded iron member and anchor bar connecting structure. In order to overcome inconvenience caused by an existing embedded iron member and anchor bar welding connection technology, the technical scheme includes that the embedded iron member and anchor bar connecting structure comprises an embedded iron member and an anchor bar, the embedded iron member is a pile tip plate arranged at the end of a pile bar, and the pile tip plate is provided with tensioning nuts. The embedded iron member and anchor bar connecting structure is characterized by comprising anchor bolts, and the outer walls of the anchor bolts are provided with external threads. Compared with the prior art, the embedded iron member and anchor bar connecting structure has the advantages of high efficiency, stable quality, material saving and capability of shortening a construction period due to the fact that anchor bars with threads can be produced in factories.
Description
technical field [0001] The invention relates to the technical field of construction, in particular to a connection structure between embedded iron parts and anchor bars. Background technique [0002] The reliable combination of embedded iron parts and anchor bars is essential in modern construction projects. At present, the most commonly used connection method between pre-embedded iron parts and anchor bars, especially pile end plates and anchor bars, pre-embedded steel plates and anchor bars is to weld the anchor bars to the pre-embedded iron parts, and there are many problems in the welding process First, welding will cause deformation of the embedded iron parts, making the surface of the embedded iron parts uneven, which will cause difficulties in subsequent construction; second, welding will easily damage the anchor reinforcement, reduce the tensile strength of the anchor reinforcement, and affect the connection effect; It is the harmful gas produced by welding, which a...
Claims
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