CN2704615Y - Steel casting terminal board with lattice reinforced rib - Google Patents
Steel casting terminal board with lattice reinforced rib Download PDFInfo
- Publication number
- CN2704615Y CN2704615Y CN 200420035501 CN200420035501U CN2704615Y CN 2704615 Y CN2704615 Y CN 2704615Y CN 200420035501 CN200420035501 CN 200420035501 CN 200420035501 U CN200420035501 U CN 200420035501U CN 2704615 Y CN2704615 Y CN 2704615Y
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- Prior art keywords
- board
- reinforced rib
- steel casting
- lattice reinforced
- steel
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- Expired - Fee Related
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Abstract
A steel casting end board with lattice reinforced rib of the utility model is used on a pre-stressed concrete tubular pile. The steel casting terminal board with lattice reinforced rib is made of shape mould cast steel water. The steel casting terminal board with lattice reinforced rib comprises an annular board body whose middle is provided with a round hole. The circumference of the annular board body is sheathed with a cylindrical skirt board. Countersunk head through holes used for penetrating reinforcing bar ends are arranged on the annular board body. The inner end surface of the annular board body is provided with convex lattice reinforced ribs. That is to say, the inner end surface of the connection of the annular board body and the concrete tubular pile is a concave-convex curve shape surface. The steel casting end board with lattice reinforced rib of the utility model has the features of that the steel casting end board with lattice reinforced rib increases the combined area of the end board and the concrete tubular pile, the combined strength is enhanced, the steel casting end board with lattice reinforced rib has shockproof property, the quality of the foundation engineering can be ensured, and the cost is low. Compared with the steel plate cutting piece, the price is decreased by more than 50%.
Description
The connector of using on attached device, the especially prestressed concrete pipe pile of using on a kind of building unit of technical field.
The background technology building foundation engineering is the foundation of building, and firm foundation is particularly important to building.Existing building foundation engineering mostly is to adopt traditional piling mode, promptly use earlier the pile driver orifice, placing of concrete in the hole then, and this mode technology very complicated, intensity is difficult to reach desirable level, easy taper pile, broken pile.In recent years, adopt a kind of new pre-stressed concrete pipe pile foundation engineering both at home and abroad, promptly adopt prefabricated prestressed concrete pipe pile, directly throw into by pile driver, though this mode easy construction also has high strength, the deficiency that exists is to cooperate the end plate that connects undesirable on the prestressed concrete pipe pile.Because the cutting of end plate employing steel plate forms, both sides are the plane, and the drawback that exposes in actual the use has: the one, and when prestressed reinforcement stretched and drive piles, end plate was yielding, and the plane end plate fracture phenomena often occurs in conjunction with insufficient strength; The 2nd, end plate combines with the concrete plane that is combined into, and when bearing the piling impact, its bonding surface is easily loosening, causes tubular pile concrete cracked, has a strong impact on the Foundation Design quality; The 3rd, steel utilization ratio is not high, as the end plate of a φ 400, need use 0.16m
2Steel plate just can cut out, reject center circle part, reality effectively utilize area only for 0.091m
2Therefore, steel utilization ratio is 57% only, adds upper steel plate and costs an arm and a leg, and is very uneconomical economically.To this, necessary end plate on this pile for prestressed pipe is improved.
The summary of the invention the purpose of this utility model provides a kind of steel-casting end plate with lattice shape reinforcing rib; accomplish to become primary plane and be combined into the concave-convex curved surface combination; increase the area that combines with concrete pile; thereby solve when withstanding shocks preferably; the easily loosening and cracked phenomenon of prestressed pipe pile concrete of bonding surface helps guaranteeing the Foundation Design quality.
Technical scheme is that end plate system makes with pattern casting molten steel, in the middle of having, it is the annular plate body of circular hole, around the annular plate body cylindrical skirt plate is arranged, evenly be laid with on the annular plate body and wear the countersunk head through hole that the embedding steel bar end is used, the lattice shape reinforcing rib of protrusion is arranged on the annular plate body inner face, and promptly annular plate body and the joining inner face of concrete tubular pile are concavo-convex curve profile.
After the utility model adopted this structure, the remarkable advantage that has was:
1, is designed to the concave-convex curved surface design because end plate becomes primary plane, thereby increased the area that end plate combines with concrete, make it, improved bond strength, help guaranteeing the Foundation Design quality in conjunction with more firm, more shock-resistant.
2, save steel, so the steel-casting end plate is with low cost, price reduces by more than 50 than steel plate cutting member.
Description of drawings
Fig. 1 is the steel-casting end plate front view with lattice shape reinforcing rib.
Fig. 2 is the sectional view of Fig. 1
Fig. 3 is that end plate cooperates figure with the prestressed concrete pipe pile connection.
Embodiment: as Figure 1-3, end plate adopts pattern casting molten steel to make, the size of its shape and prestressed concrete pipe pile shape adapts, in the middle of including, it is the annular plate body 4 of circular hole 2, be with cylindrical skirt plate 1 around the annular plate body 4, evenly be laid with on the annular plate body 4 and wear the countersunk head through hole 3 that the embedding steel bar end is used, difference is the lattice shape reinforcing rib that protrusion is arranged on annular plate body 4 inner faces, and promptly annular plate body 4 is concavo-convex curve profile with the joining inner face of concrete tubular pile.
In Fig. 3,6 is concrete, and 7 is the prestressing force longitudinal reinforcement, and 8 is horizontal Reinforcing bar, 9 is the site welding contact.
Claims (1)
1, the steel-casting end plate of using on a kind of prestressed concrete pipe pile with lattice shape reinforcing rib, be the annular plate body (4) of circular hole (2) in the middle of including, annular plate body (4) is with cylindrical skirt plate (1) all around, evenly be laid with on the annular plate body (4) and wear the countersunk head through hole (3) that the embedding steel bar end is used, it is characterized in that making with pattern casting molten steel, the lattice shape reinforcing rib (5) that protrusion is arranged on annular plate body (4) inner face, promptly annular plate body (4) is concavo-convex curve profile with the joining inner face of concrete soil pile tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420035501 CN2704615Y (en) | 2004-03-30 | 2004-03-30 | Steel casting terminal board with lattice reinforced rib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420035501 CN2704615Y (en) | 2004-03-30 | 2004-03-30 | Steel casting terminal board with lattice reinforced rib |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2704615Y true CN2704615Y (en) | 2005-06-15 |
Family
ID=34773259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420035501 Expired - Fee Related CN2704615Y (en) | 2004-03-30 | 2004-03-30 | Steel casting terminal board with lattice reinforced rib |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2704615Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436721C (en) * | 2006-07-14 | 2008-11-26 | 张勇 | Prestressed concrete pipe pile antibending joint |
| CN102971464A (en) * | 2010-06-18 | 2013-03-13 | 宋奇镛 | Complex pile, and method for fabricating the complex pile |
-
2004
- 2004-03-30 CN CN 200420035501 patent/CN2704615Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436721C (en) * | 2006-07-14 | 2008-11-26 | 张勇 | Prestressed concrete pipe pile antibending joint |
| CN102971464A (en) * | 2010-06-18 | 2013-03-13 | 宋奇镛 | Complex pile, and method for fabricating the complex pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |