Engineering pile head waterproof structure

Abstract

The utility model relates to the technical field of engineering pile head waterproof construction, and particularly discloses an engineering pile head waterproof structure which comprises an engineering pile, a plain soil layer arranged on the periphery of a pile head at the top of the engineering pile and a waterproof structure body arranged on the periphery of the pile head at the top of the engineering pile. The plain stone concrete cushion layer, the waterproof coiled material, the waterproof coating, the sealant and the waterproof mortar are sequentially and upwards arranged above the plain soil layer, the sealing ring comprises a sleeve and an annular water retaining folded edge arranged on the periphery of the bottom of the sleeve, and the plain stone concrete cushion layer is connected with the sealing ring on the periphery of the engineering pile in a sealed mode. The waterproof coiled material is continuously laid on the plain stone concrete cushion layer, the periphery of the sealing ring, the top pile head of the engineering pile and the inner side of the top pile head of the engineering pile, the waterproof coating is continuously arranged on the waterproof coiled material and the top end of the pile head of the engineering pile, the sealant is continuously arranged above the waterproof coating, and the waterproof mortar is continuously laid on the plain stone concrete cushion layer and the sealant. The technical effect that the pile head is free of water seepage is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering pile head waterproof construction, and specifically discloses an engineering pile head waterproof structure. Background Art

[0002] In construction engineering, the conventional method for waterproofing the pile heads is to lay waterproof membranes for treatment. This method is prone to hollowing, flanging and even cracking of the waterproof membranes, and this waterproofing method is too simple and cannot effectively protect the pile heads from water seepage. Other methods are to apply waterproof coatings, but the waterproof coatings are easily damaged during the construction process, and it is difficult to achieve the purpose of waterproofing the pile heads, which can easily cause water seepage at the pile heads and lead to leakage of the bottom plate, affecting the safety of the structure. Taking into account the drawbacks of the above engineering pile head waterproofing treatments, the utility model utilizes sealing rings, waterproof membranes, waterproof coatings, waterproof mortars, sealants and water-stopping adhesives for reasonable combination to achieve multiple protections for pile head waterproofing, with a simple operation process and good waterproofing effect. Utility Model Content

[0003] The utility model aims to provide a waterproof structure for the head of an engineering pile, and aims to solve the technical problems mentioned in the above background technology.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A waterproof structure for the pile head of an engineering pile comprises an engineering pile, a plain soil layer arranged at the outer periphery of the pile head at the top of the engineering pile, and a waterproof structure arranged at the outer periphery of the pile head at the top of the engineering pile, the waterproof structure comprising a sealing ring arranged at the outer periphery of the engineering pile, and a plain stone concrete cushion layer, a waterproof coiled material, a waterproof coating, a sealant and a waterproof mortar arranged in sequence upward above the plain soil layer, the sealing ring comprising a sleeve and an annular water retaining folded edge arranged at the outer periphery of the bottom of the sleeve, the sleeve is sleeved on the engineering pile and sleeved with the engineering pile, one end of the sleeve away from the annular water retaining folded edge is flush with the top of the pile head of the engineering pile, the annular water retaining folded edge is located in the plain soil layer, an annular sealing hoop is provided on the sealing ring, an inner concave annular groove around the outer periphery of the sleeve is provided on the abdomen of the sleeve, the annular sealing hoop is sleeved in the inner concave annular groove of the sealing ring, the annular sealing hoop comprises a first card body and a second card body. Two card bodies, the first card body and the second card body are both semicircular ring structures, the arc mouths of the first card body and the second card body are arranged opposite to each other, the same end of the first card body and the second card body are provided with connecting ear plates, one end of the first card body away from the connecting ear plate and the other end of the second card body away from the connecting ear plate are hingedly connected, the connecting ear plate of the first card body and the connecting ear plate of the second card body are fixed by bolts, the plain stone concrete cushion layer is sealed with the sealing ring on the outer periphery of the engineering pile, the waterproof membrane is integrally and continuously laid on the plain stone concrete cushion layer, the outer periphery of the sealing ring, the top of the engineering pile and the inner side of the top of the engineering pile, the waterproof coating is continuously arranged on the waterproof membrane and the top of the pile head of the engineering pile, the sealant is continuously arranged above the waterproof coating, and the waterproof mortar is continuously laid above the plain stone concrete cushion layer and the sealant.

[0006] Furthermore, the waterproofing membrane is a hot-melt type or a self-adhesive type, and the waterproofing membrane is turned over to at least 150 mm inside the top of the engineering pile.

[0007] Furthermore, the top surface height of the plain soil layer is lower than the top height of the pile head of the engineering pile, and the thickness of the plain stone concrete cushion layer is at least 50 mm.

[0008] Furthermore, the waterproof coating is of polyurethane type, and the overlapping width between the waterproof coating and the waterproof membrane is not less than 200 mm.

[0009] Furthermore, the sealant is a silicone sealant, which completely covers the surface layer of the waterproof coating and exceeds it by at least 10 mm.

[0010] Furthermore, the thickness of the waterproof mortar is 20-30 mm, and the waterproof mortar exceeds the coverage boundary of the waterproof coating by 100 mm.

[0011] Furthermore, a water-swellable waterproofing glue is provided on the top of the pile head of the engineering pile.

[0012] Compared with the prior art, the utility model has the following characteristics and beneficial effects:

[0013] The utility model discloses to be provided with waterproof structure at the periphery of the pile head at the top of the engineering pile, and the waterproof structure comprises a sealing ring arranged at the periphery of the engineering pile, and a plain stone concrete cushion layer, a waterproof membrane, a waterproof coating, a sealant and a waterproof mortar which are arranged in sequence upward above the plain soil layer, thereby realizing multiple protections for the waterproofing of the pile head of the engineering pile, reducing the hidden danger of bottom plate leakage caused by unreasonable waterproof measures or improper treatment, having the characteristics of simple construction process, high construction efficiency and strong applicability, having the characteristics of safety and applicability, having good promotion and practical value, and having good economic benefits after being widely promoted and applied. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the annular sealing hoop of the utility model.

[0016] Figure numerals: 1. engineering pile; 2. bare soil layer; 3. sealing ring; 4. bare stone concrete cushion layer; 5. waterproof membrane; 6. waterproof coating; 7. sealant; 8. waterproof mortar; 9. annular sealing hoop; 901. first card body; 902. second card body; 903. connecting ear plate; 10. bolt; 11. water-swelling water-stopping glue. DETAILED DESCRIPTION

[0017] In order to make the technical means, innovative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below.

[0018] The embodiments described herein are specific embodiments of the present invention, which are used to illustrate the concept of the present invention, are explanatory and exemplary, and should not be interpreted as limiting the embodiments of the present invention and the scope of the present invention. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the claims and the contents disclosed in the specification of this application, including technical solutions that adopt any obvious replacement and modification of the embodiments described herein.

[0019] The utility model discloses a waterproof structure for an engineering pile head, such as Figure 1 and Figure 2As shown, it includes an engineering pile 1, a soil layer 2 arranged on the periphery of the pile head at the top of the engineering pile 1, and a waterproof structure arranged on the periphery of the pile head at the top of the engineering pile 1. The top surface of the soil layer 2 is a plane of the soil at the periphery of the engineering pile 1 after compaction. The height of the top surface of the soil layer 2 is lower than the top height of the pile head of the engineering pile 1. The waterproof structure includes a sealing ring 3 arranged on the periphery of the engineering pile 1, and a plain stone concrete cushion layer 4, a waterproof membrane 5, a waterproof coating 6, a sealant 7 and a waterproof mortar 8 arranged upward in sequence above the soil layer 2. The sealing ring 3 includes a sleeve and an annular water retaining folded edge arranged on the periphery of the bottom of the sleeve. The sleeve is a hollow columnar structure. The inner diameter of the sleeve is the same as the outer diameter of the engineering pile 1. The sleeve is sleeved on the engineering pile 1 and connected with the engineering pile 1. The end of the sleeve away from the annular water retaining folded edge is connected to the engineering pile 1. The top of the pile head is flush, the annular water retaining fold is located in the plain soil layer 2, an annular sealing hoop 9 for sealing and fixing the sealing ring 3 to the engineering pile 1 is provided on the sealing ring 3, an inner concave annular groove is provided on the abdomen of the sleeve around the outer periphery of the sleeve, the inner diameter of the annular sealing hoop 9 is the same as the outer diameter of the sleeve at the position of the inner concave annular groove, the annular sealing hoop 9 is buckled in the inner concave annular groove, the annular sealing hoop 9 includes a first card body 901 and a second card body 902, the first card body 901 and the second card body 902 are both semicircular annular structures, the first card body 901 and the second card body 902 are arranged with arcs opposite to each other, the first card body 901 and the second card body 902 are both provided with a connecting ear plate 903 at the same end, the first card body 901 is far away from the connecting ear plate 903 and the second card body 902 is far away from the connecting ear plate 90 3 is hingedly connected, and a connecting ear plate 903 is provided with a connecting hole for passing a bolt 10. The connecting ear plate 903 of the first card body 901 and the connecting ear plate 903 of the second card body 902 are connected and fixed by bolts 10, so that the sealing ring 3 and the engineering pile 1 are sealed and fixed; the plain stone concrete cushion layer 4 is cast flat on the plain soil layer 2 after the outer plain soil layer 2 of the engineering pile 1 is compacted to ensure the adhesion effect of the waterproof membrane 5, the plain stone concrete cushion layer 4 is sealed and connected with the sealing ring 3 on the outer periphery of the engineering pile 1, the thickness of the plain stone concrete cushion layer 4 is at least 50mm, and the waterproof membrane 5 is laid on the plain stone concrete cushion layer 4, the outer periphery of the sealing ring 3, the top pile head of the engineering pile 1 and the inner side of the top pile head of the engineering pile 1 in an integrated manner. The waterproof membrane 5 is turned over to the inside of the top pile of the engineering pile 1 At least 150mm on the side. Before laying the waterproof membrane 5, the sundries, dust, etc. on the plain stone concrete cushion 4 should be cleaned to ensure that it is dry. During the laying process, it should be ensured that the paving is dense to avoid hollowing and loose adhesion. The waterproof membrane 5 should be hot-melt or self-adhesive, and should have an anti-puncture effect to prevent the lower plain stone concrete cushion 4 from cracking and piercing the waterproof membrane 5 to cause leakage; the waterproof coating 6 is continuously applied on the waterproof membrane 5 and the top of the pile head of the engineering pile 1. The waterproof coating 6 is a polyurethane type, which can be single-component or multi-component. The polyurethane waterproof coating is rolled or scraped at least twice, and the thickness of each application is not less than 1mm, and the overlap width with the waterproof membrane 5 is not less than 200mm. Before each application, care should be taken to clean the surface sundries and dust;The sealant 7 is continuously brushed on the waterproof coating 6. The sealant 7 is a quick-drying silicone sealant. After the waterproof coating 6 is air-dried and formed, the silicone sealant 7 is applied. During the brushing process, the sealant 7 should be evenly distributed, and each side should be at least 10mm beyond the surface layer of the waterproof coating 6 after it is completely covered. The waterproof mortar 8 is continuously laid on the plain stone concrete cushion 4 and the sealant 7 on the plain stone concrete cushion 4. The waterproof mortar 8 is a polymer cement mortar suitable for outdoor environment. Before the construction of the waterproof mortar 8, the garbage and debris missed on the interface should be cleaned up. The coverage thickness is 20~30mm, and it should exceed the coverage boundary of the waterproof coating 6 by 100mm. The waterproof mortar 8 should be made into a rounded corner at the root of the outer side of the pile head of the engineering pile 1 for protection to avoid the subsequent concrete pouring from damaging the sealant 7, the waterproof coating 6 and the waterproof membrane 5. The top of the pile head of the engineering pile 1 is provided with a water-expanding water-stopping glue 11. The water-stopping glue should have a water-expanding effect to increase the contact area. The key is to brush it on the inner turning intersection of the waterproof membrane 5 and brush it evenly. ;

[0020] The utility model provides a waterproof structure on the periphery of the pile head at the top of the engineering pile. The waterproof structure includes a sealing ring arranged on the periphery of the engineering pile, and a plain stone concrete cushion layer, a waterproof membrane, a waterproof coating, a sealant and a waterproof mortar which are arranged in sequence upward above the plain soil layer. This achieves multiple protections for the waterproofing of the pile head of the engineering pile, reduces the hidden danger of bottom plate leakage caused by unreasonable waterproof measures or improper treatment, has a simple construction process, high construction efficiency and strong applicability.

[0021] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0022] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A waterproof structure for a pile head of an engineering pile, comprising an engineering pile (1), a plain soil layer (2) arranged at the periphery of the pile head at the top of the engineering pile (1), and a waterproof structure arranged at the periphery of the pile head at the top of the engineering pile (1), characterized in that: The waterproof structure comprises a sealing ring (3) arranged on the outer periphery of the engineering pile (1), and a plain stone concrete cushion layer (4), a waterproof coiled material (5), a waterproof coating (6), a sealing glue (7) and a waterproof mortar (8) arranged in sequence upward above the plain soil layer (2); the sealing ring (3) comprises a sleeve and an annular water retaining folded edge arranged on the outer periphery of the bottom of the sleeve; the sleeve is sleeved on the engineering pile (1) and is sleeved with the engineering pile (1); an end of the sleeve away from the annular water retaining folded edge is flush with the top of the pile head of the engineering pile (1); The annular water retaining fold is located in the plain soil layer (2); the sealing ring (3) is provided with an annular sealing hoop (9); the sleeve abdomen is provided with an inner concave annular groove around the outer circumference of the sleeve; the annular sealing hoop (9) is sleeved in the inner concave annular groove of the sealing ring (3); the annular sealing hoop (9) comprises a first card body (901) and a second card body (902); the first card body (901) and the second card body (902) are both semicircular ring structures; the first card body (901) and the second card body (902) are arranged with arc openings opposite to each other; The first card body (901) and the second card body (902) are both provided with a connecting ear plate (903) at the same end, one end of the first card body (901) away from the connecting ear plate (903) and one end of the second card body (902) away from the connecting ear plate (903) are hingedly connected, the connecting ear plate (903) of the first card body (901) and the connecting ear plate (903) of the second card body (902) are connected and fixed by bolts (10), and the plain stone concrete cushion layer (4) is connected to the outer surface of the engineering pile (1). The waterproofing membrane (5) is integrally and continuously laid on the plain stone concrete cushion layer (4), the outer periphery of the sealing ring (3), the top of the engineering pile (1) and the inner side of the top of the engineering pile (1); the waterproofing coating (6) is continuously arranged on the waterproofing membrane (5) and the top of the pile head of the engineering pile (1); the sealing glue (7) is continuously arranged above the waterproofing coating (6); and the waterproofing mortar (8) is continuously laid on the plain stone concrete cushion layer (4) and above the sealing glue (7).

2. The engineering pile head waterproof structure according to claim 1, characterized in that: The waterproofing coiled material (5) is of a hot-melt type or a self-adhesive type, and the waterproofing coiled material (5) is turned over to at least 150 mm inside the top of the engineering pile (1).

3. The engineering pile head waterproof structure according to claim 2, characterized in that: The top surface height of the plain soil layer (2) is lower than the top height of the pile head of the engineering pile (1), and the thickness of the plain stone concrete cushion layer (4) is at least 50 mm.

4. The engineering pile head waterproof structure according to claim 1, characterized in that: The waterproof coating (6) is of polyurethane type, and the overlapping width between the waterproof coating (6) and the waterproof coiled material (5) is not less than 200 mm.

5. The engineering pile head waterproof structure according to claim 1, characterized in that: The sealant (7) is a silicone sealant, and the sealant (7) completely covers the surface layer of the waterproof coating (6) and exceeds it by at least 10 mm.

6. The engineering pile head waterproof structure according to claim 1, characterized in that: The thickness of the waterproof mortar (8) is 20-30 mm, and the waterproof mortar (8) exceeds the coverage boundary of the waterproof coating (6) by 100 mm.

7. A waterproof structure for engineering pile head according to any one of claims 3 to 6, characterized in that: The top of the pile head of the engineering pile (1) is provided with a water-swelling waterproof glue (11).

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