Rapid anchoring device and construction method for treating thermal melt disasters based on light-curing materials

Abstract

The present invention relates to a rapid anchoring device for treating heat-melt disasters based on photocuring materials, and the device comprises a photocuring anchoring device that is arranged inside the disaster body through the sliding surface. A grouting layer is formed around the photocuring anchoring device by pressure grouting; a pad and an anchor are provided at the exposed end of the photocuring anchoring device and close to the disaster body; the photocuring anchoring device is a double-layer anchor pipe structure, and evenly distributed anchor pipe grouting holes are opened on the inner layer and the outer layer of the anchor pipe; an S-shaped inner and outer layer connecting plate of the anchor pipe is provided between the inner layer and the outer layer of the anchor pipe; a glass fiber reinforced plastic photocuring rod with a toothed structure is assembled inside the inner layer of the anchor pipe, and an ultraviolet lamp is provided inside the glass fiber reinforced plastic photocuring rod, and a grouting groove is provided on the surface; after the photocuring of the grouting layer is completed, the glass fiber reinforced plastic photocuring rod is replaced by a ventilation structure with a non-powered wind hood. The present invention utilizes the characteristics of rapid solidification of photocuring materials under ultraviolet irradiation to achieve rapid anchoring, and has the emergency handling capability of heat-melt disasters.

Description

Technical Field

[0001] The present invention relates to the technical field of rapid and emergency disposal of heat-melt disasters, and in particular to a rapid anchoring device and a construction method for disposing of heat-melt disasters based on light-curing materials. Background Art

[0002] Permafrost covers about 20% of my country’s land area, of which more than 150×10 4 km 2 Permafrost is distributed in the Qinghai-Tibet Plateau. The existence and development of permafrost are closely related to the external environment. The permafrost on the Qinghai-Tibet Plateau is mainly characterized by high temperature and high ice content. Under the background of global warming, the permafrost on the Qinghai-Tibet Plateau has experienced a significant degradation process in the past 50-60 years, which is mainly reflected in the increase in the thickness of the active layer, the increase in the annual average low temperature, the melting of underground ice, etc., and the impact of human engineering activities, resulting in frequent thermal melt disasters. Thermal melt disasters occur and develop rapidly, among which thermal melt collapse and landslide disasters have the most significant impact on engineering and ecological environment. Therefore, it is necessary to propose targeted governance measures for frequent thermal melt disasters.

[0003] In recent years, based on the principle of protecting frozen soil, a series of engineering measures have been proposed for the control of thermal melt disasters in permafrost areas. These measures mainly include two categories: (1) setting up flexible or rigid retaining structures in potential thermal melt disaster areas to prevent thermal melt disaster landslides from interfering with the operation of engineering facilities. However, such engineering measures do not fundamentally control the occurrence of disasters, but only change the sliding path of disasters and reduce the impact of thermal melt disasters on engineering and ecological environments. (2) By setting up active or passive ventilation and cooling devices inside the anchoring device, the heat exchange between the disaster body and the external environment is strengthened, thereby achieving the purpose of protecting frozen soil and slowing down degradation. However, there is a lack of rapid anchoring and emergency response plans for thermal melt disasters that occur and develop rapidly.

[0004] Therefore, there is an urgent need for an anchoring device that follows the principle of protecting permafrost, takes into account both disaster management and ventilation and cooling, and especially one that can achieve rapid disposal, so as to better achieve emergency response to thermal melt disasters and ensure engineering and ecological safety in permafrost areas. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a rapid anchoring device for treating heat-melting disasters based on light-curing materials, which has strong practicability and outstanding emergency anchoring effect.

[0006] Another technical problem to be solved by the present invention is to provide a construction method for the rapid anchoring device for treating thermal melt disasters based on light-curing materials.

[0007] In order to solve the above problems, the rapid anchoring device for treating heat melt disasters based on photocuring materials described in the present invention is characterized in that: the device includes a photocuring anchoring device that passes through the sliding surface and is arranged inside the disaster body; a grouting layer is formed around the photocuring anchoring device by pressure grouting; a pad and an anchor are provided at the exposed end of the photocuring anchoring device and close to the disaster body; the photocuring anchoring device is a double-layer anchor pipe structure, and evenly distributed anchor pipe slurry outlet holes are opened on the inner layer and the outer layer of the anchor pipe; an S-shaped anchor pipe inner and outer layer connecting plate is provided between the inner layer and the outer layer of the anchor pipe; a fiberglass photocuring rod with a toothed structure is assembled inside the inner layer of the anchor pipe, an ultraviolet lamp is provided inside the fiberglass photocuring rod, and a grouting groove is provided on the surface; after the photocuring of the slurry layer is completed, the fiberglass photocuring rod is replaced by a ventilation structure with a non-powered wind hood.

[0008] The slurry layer is formed by pressure grouting of a light-curing material and then curing it by irradiation with an ultraviolet lamp.

[0009] The anchor pipe slurry outlet holes are evenly distributed around the anchor pipe inner layer and the anchor pipe outer layer pipe wall, and are intermittently arranged along the length direction of the anchor pipe inner layer and the anchor pipe outer layer; the number of the anchor pipe slurry outlet holes on the anchor pipe inner layer is twice the number of the anchor pipe slurry outlet holes on the anchor pipe outer layer.

[0010] The inner and outer layer connecting plates of the anchor pipe are S-shaped steel thin plates and are evenly arranged around the inner layer of the anchor pipe; one anchor pipe slurry outlet hole is included between two adjacent inner and outer layer connecting plates of the anchor pipe.

[0011] The ultraviolet lamp and the grouting groove are both arranged along the length direction of the FRP light-curing rod; the ultraviolet lamp is arranged at the center of the FRP light-curing rod; the number and position of the grouting grooves correspond one-to-one to the grouting holes on the inner layer of the anchor pipe.

[0012] The glass fiber reinforced plastic light curing rod is made of light-transmitting glass fiber reinforced plastic.

[0013] The ventilation structure consists of a ventilation structure inner layer and a ventilation structure outer layer which are nested together; an I-type ventilation structure inner and outer layer connecting plate is provided between the ventilation structure inner layer and the ventilation structure outer layer; one end of the ventilation structure inner layer is exposed from the ventilation structure outer layer, and the other end is relatively retracted into the ventilation structure outer layer; the exposed end of the ventilation structure inner layer is provided with the non-powered hood.

[0014] The inner layer of the ventilation structure is a cylindrical steel pipe, and the internal volume of the cylindrical steel pipe is equal to the volume between the outer wall of the inner layer of the ventilation structure and the inner wall of the outer layer of the ventilation structure.

[0015] The outer layer of the ventilation structure is a steel pipe with a toothed structure, and its outer dimensions are equal to those of the fiberglass reinforced plastic light curing rod.

[0016] The construction method of the rapid anchoring device for treating thermal melt disasters based on light-curing materials as described above comprises the following steps:

[0017] (1) Use remote sensing images to determine the disaster bodies that may cause thermal melt disasters and endanger the safe operation of frozen soil projects. Combined with on-site field investigations, predict the volume of potential thermal melt disasters, determine the size of the light-curing anchoring device and the unpowered wind hood, and design the construction drawings of the rapid anchoring device;

[0018] ⑵ According to the design drawings, make FRP light-curing rods in the factory; the inner diameter of the inner layer of the anchor pipe is equal to that of the FRP light-curing rod; the width of the grouting hole of the anchor pipe is consistent with the width of the grouting groove; the size of the ventilation structure is determined according to the size of the FRP light-curing rod; after the above components are made, assemble them for use;

[0019] ⑶ According to the requirements of the construction design drawings, drill holes at potential heat-melt disaster sites and drill holes according to the design dimensions of the light-curing anchoring device;

[0020] (4) After completing the drilling of the holes at the predetermined positions, install the assembled light-curing anchor device into the corresponding holes, and use the grouting device to pressure-inject the light-curing material into the light-curing anchor device through the grouting grooves provided on the glass fiber reinforced plastic light-curing rod;

[0021] (5) During the grouting process, a part of the light-curing material enters the disaster body through the grouting hole of the anchor pipe to form a grouting layer, and another part of the light-curing material enters the interlayer between the inner layer and the outer layer of the anchor pipe through the grouting hole of the anchor pipe. Under the action of pressure, the connecting plate of the inner and outer layers of the anchor pipe changes from S-type to I-type, which causes the diameter of the outer layer of the anchor pipe to expand;

[0022] (6) When the grouting pressure reaches the set threshold, the ultraviolet lamp set in the FRP light-curing rod is powered on, and the light-curing material in the light-curing anchor device is rapidly solidified under the action of ultraviolet rays, and then the FRP light-curing rod inside the light-curing anchor device is replaced with a ventilation structure;

[0023] ⑺ Use pads and anchors to pre-tighten and anchor the light-curing anchoring device; install a non-powered hood at the exposed end of the inner layer of the ventilation structure to complete the construction.

[0024] Compared with the prior art, the present invention has the following advantages:

[0025] 1. The present invention replaces the common grouting material in the prior art with a photocuring material, and arranges a light-transmitting fiberglass photocuring rod with an ultraviolet lamp inside the photocuring anchoring device, which can cause the photocuring material in the photocuring anchoring device to solidify quickly through ultraviolet irradiation, thereby achieving rapid anchoring, so that the photocuring anchoring device of the present invention has outstanding emergency response capabilities.

[0026] 2. In the present invention, the light-curing anchoring device is designed as a double-layer anchor pipe structure, and an S-shaped anchor pipe inner and outer layer connecting plate is arranged between the inner layer and the outer layer of the anchor pipe. During the grouting process, under the action of pressure, the inner and outer layer connecting plates of the anchor pipe are stretched and straightened, so that the diameter of the outer layer of the anchor pipe is expanded, thereby improving its anchoring ability.

[0027] 3. The fiberglass light-curing rod and ventilation structure in the present invention work in stages. The ventilation structure enables the light-curing anchoring device to have ventilation and cooling capabilities, strengthens the heat exchange capacity between the inside of the disaster body and the outside world, and realizes the management of thermal melt disasters.

[0028] 4. The present invention is highly practical and easy to implement. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0030] Figure 1 It is a cross-sectional schematic diagram of the rapid anchoring device of the present invention.

[0031] Figure 2 It is a schematic cross-sectional view of the grouting stage of the rapid anchoring device of the present invention.

[0032] Figure 3 This is a schematic cross-sectional view of the quick anchoring device of the present invention after grouting is completed and the ventilation structure is replaced.

[0033] Figure 4 It is a three-dimensional schematic diagram of the fiberglass light-curing rod of the present invention.

[0034] Figure 5 It is a three-dimensional schematic diagram of the ventilation structure in the present invention.

[0035] In the figure: 1-disaster body, 2-light-curing anchoring device, 3-slip surface, 4-grouting layer, 5-pad, 6-anchor, 7-unpowered wind hood, 8-glass fiber reinforced plastic light-curing rod, 9-grouting groove, 10-anchor pipe slurry outlet hole, 11-anchor pipe inner layer, 12-anchor pipe outer layer, 13-anchor pipe inner and outer layer connecting plate, 14-ventilation structure, 15-ventilation structure inner layer, 16-ventilation structure outer layer, 17-ventilation structure inner and outer layer connecting plate, 18-ultraviolet lamp. DETAILED DESCRIPTION

[0036] like Figures 1 to 5As shown, a quick anchoring device for treating thermal melt disasters based on photocuring materials includes a photocuring anchoring device 2 arranged inside a disaster body 1 through a sliding surface 3. A grouting layer 4 is formed around the photocuring anchoring device 2 by pressure grouting; a pad 5 and an anchor 6 are provided at the exposed end of the photocuring anchoring device 2 and close to the disaster body 1; the photocuring anchoring device 2 is a double-layer anchor pipe structure, and evenly distributed anchor pipe grouting holes 10 are opened on the anchor pipe inner layer 11 and the anchor pipe outer layer 12; an S-shaped anchor pipe inner and outer layer connecting plate 13 is provided between the anchor pipe inner layer 11 and the anchor pipe outer layer 12; a fiberglass photocuring rod 8 with a toothed structure is assembled inside the anchor pipe inner layer 11, and an ultraviolet lamp 18 is provided inside the fiberglass photocuring rod 8, and a grouting groove 9 is provided on the surface; after the photocuring of the grouting layer 4 is completed, the fiberglass photocuring rod 8 is replaced by a ventilation structure 14 with a non-powered wind cap 7.

[0037] The slurry layer 4 is formed by pressure grouting of a light-curing material and then curing it by irradiation with an ultraviolet lamp 18 .

[0038] The anchor pipe slurry outlet holes 10 are evenly distributed around the anchor pipe inner layer 11 and the anchor pipe outer layer 12, and are intermittently arranged along the length direction of the anchor pipe inner layer 11 and the anchor pipe outer layer 12; the number of the anchor pipe slurry outlet holes 10 on the anchor pipe inner layer 11 is twice the number of the anchor pipe slurry outlet holes 10 on the anchor pipe outer layer 12.

[0039] The inner and outer layer connecting plates 13 of the anchor pipe are easily stretched S-shaped steel thin plates and are evenly arranged around the inner layer 11 of the anchor pipe; an anchor pipe slurry outlet hole 10 is included between two adjacent inner and outer layer connecting plates 13 of the anchor pipe.

[0040] The ultraviolet lamp 18 and the grouting groove 9 are both arranged along the length direction of the FRP light-curing rod 8; the ultraviolet lamp 18 is arranged at the center of the FRP light-curing rod 8; the number and position of the grouting grooves 9 correspond one by one to the grouting holes 10 on the inner layer 11 of the anchor pipe.

[0041] The glass fiber reinforced plastic light curing rod 8 is made of light-transmitting glass fiber reinforced plastic.

[0042] The ventilation structure 14 is composed of a ventilation structure inner layer 15 and a ventilation structure outer layer 16 which are nested together; an I-type ventilation structure inner and outer layer connecting plate 17 is provided between the ventilation structure inner layer 15 and the ventilation structure outer layer 16; one end of the ventilation structure inner layer 15 is exposed from the ventilation structure outer layer 16, and the other end is relatively retracted into the ventilation structure outer layer 16; a non-powered hood 7 is provided at the exposed end of the ventilation structure inner layer 15.

[0043] The ventilation structure inner layer 15 is a cylindrical steel pipe, and its internal volume is equal to the volume between the outer wall of the ventilation structure inner layer 15 and the inner wall of the ventilation structure outer layer 16 .

[0044] The outer layer 16 of the ventilation structure is a steel pipe with a toothed structure, and its outer dimensions are equal to those of the glass fiber reinforced plastic light curing rod 8 .

[0045] Working principle of the present invention:

[0046] (1) Through pressure grouting, the S-shaped anchor pipe inner and outer layer connecting plate 13 arranged between the anchor pipe inner layer 11 and the anchor pipe outer layer 12 is stretched and straightened, thereby causing the diameter of the anchor pipe outer layer 12 to expand, thereby improving the structural anchoring capacity.

[0047] (2) Photocuring material is used for grouting, and the ultraviolet lamp 18 set in the fiberglass photocuring rod 8 is used to promote the rapid curing of the photocuring material inside the photocuring anchor device 2, thereby achieving the purpose of rapid anchoring of the photocuring anchor pipe device 2, thereby realizing efficient control of thermal melt disasters.

[0048] (3) When the temperature inside the permafrost disaster body is higher than that outside, the non-powered wind cap 7 is prompted to work actively, so as to realize the heat exchange between the cold air outside and the inside of the disaster body 1, thereby taking away the heat inside the disaster body and realizing the prevention and control of thermal melt disasters.

[0049] The construction method of a rapid anchoring device for treating thermal melt disasters based on a light-curing material comprises the following steps:

[0050] (1) Using remote sensing images, determine the disaster body 1 that may cause thermal melt disasters and endanger the safe operation of frozen soil engineering. Combined with on-site field investigations, predict the volume of potential thermal melt disasters, determine the sizes of the light-curing anchoring device 2 and the unpowered wind cap 7, and design the construction drawings of the rapid anchoring device;

[0051] (2) According to the design drawings, the fiberglass light-curing rod 8 is manufactured in the factory, and its diameter can be selected to be 10-15 cm, and the width and depth of the grouting groove 9 are 1-3 cm; the inner diameter of the anchor pipe inner layer 11 is equal to that of the fiberglass light-curing rod 8, the inner diameter of the anchor pipe outer layer 12 can be selected to be 15-20 cm, and the width of the anchor pipe slurry outlet hole 10 is consistent with the width of the grouting groove 9; the distance between the two end points of the inner and outer layer connecting plates 13 of the anchor pipe can be selected to be 5-10 cm; the size of the ventilation structure 14 is determined according to the size of the fiberglass light-curing rod 8; after the above components are manufactured, they are assembled for use;

[0052] ⑶ According to the requirements of the construction design drawings, drill holes at potential heat-melt disaster sites, and drill holes according to the design dimensions of the light-curing anchoring device 2;

[0053] (4) After the drilling of the predetermined position is completed, the assembled light-curing anchor device 2 is installed in the corresponding drill hole, and the light-curing material is injected into the light-curing anchor device 2 by pressure through the grouting groove 9 provided on the glass fiber reinforced plastic light-curing rod 8 by using the grouting device; the light-curing material is selected from commercially available products;

[0054] (5) During the grouting process, a portion of the light-curing material enters the disaster body 1 through the anchor pipe grouting hole 10 to form a grouting layer 4, and another portion of the light-curing material enters the interlayer between the anchor pipe inner layer 11 and the anchor pipe outer layer 12 through the anchor pipe grouting hole 10. Under the action of pressure, the inner and outer layer connecting plates 13 of the anchor pipe change from S-shaped to I-shaped, causing the diameter of the anchor pipe outer layer 12 to expand;

[0055] (6) After the grouting pressure reaches the set threshold, the ultraviolet lamp 18 disposed in the glass fiber reinforced plastic light curing rod 8 is powered on, and the light curing material in the light curing anchor device 2 is rapidly solidified under the action of ultraviolet rays, and then the glass fiber reinforced plastic light curing rod 8 inside the light curing anchor device 2 is replaced with the ventilation structure 14;

[0056] ⑺Use the pad 5 and the anchor 6 to pre-tighten and anchor the light-curing anchor device 2 to achieve rapid anchoring control of thermal melt disasters; install the unpowered wind hood 7 at the exposed end of the inner layer 15 of the ventilation structure to complete the construction.

Claims

1. A fast anchoring device based on light-curing materials to treat thermal melt disasters. Features: The device comprises a light-curing anchor device (2) which passes through a sliding surface (3) and is arranged inside a disaster body (1); a grouting layer (4) is formed around the light-curing anchor device (2) by pressure grouting; a pad (5) and an anchor (6) are provided at the exposed end of the light-curing anchor device (2) and in close contact with the disaster body (1); the light-curing anchor device (2) is a double-layer anchor pipe structure, and evenly distributed anchor pipe grouting holes (10) are provided on the inner layer (11) and the outer layer (12) of the anchor pipe; an S The inner and outer layer connecting plates (13) of the anchor pipe are provided; a glass fiber reinforced plastic light-curing rod (8) with a toothed structure is installed inside the inner layer (11) of the anchor pipe, an ultraviolet lamp (18) is provided inside the glass fiber reinforced plastic light-curing rod (8), and a grouting groove (9) is provided on the surface; after the light curing of the grouting layer (4) is completed, the glass fiber reinforced plastic light-curing rod (8) is replaced by a ventilation structure (14) with a non-powered wind hood (7); the grouting layer (4) is formed by pressure grouting of the light-curing material and then irradiated and cured by the ultraviolet lamp (18); the glass fiber reinforced plastic light-curing rod (8) is made of light-transmitting glass fiber reinforced plastic.

2. The rapid anchoring device for treating thermal melt disasters based on light-curing materials as claimed in claim 1, Features: The anchor pipe slurry outlet holes (10) are evenly distributed around the walls of the anchor pipe inner layer (11) and the anchor pipe outer layer (12), and are intermittently arranged along the length direction of the anchor pipe inner layer (11) and the anchor pipe outer layer (12); the number of the anchor pipe slurry outlet holes (10) on the anchor pipe inner layer (11) is twice the number of the anchor pipe slurry outlet holes (10) on the anchor pipe outer layer (12).

3. The rapid anchoring device for treating thermal melt disasters based on light-curing materials as claimed in claim 1, Features: The anchor pipe inner and outer layer connecting plates (13) are S-shaped steel thin plates and are evenly arranged around the anchor pipe inner layer (11); one anchor pipe slurry outlet hole (10) is included between two adjacent anchor pipe inner and outer layer connecting plates (13).

4. The rapid anchoring device for treating thermal melt disasters based on light-curing materials as claimed in claim 1, Features: The ultraviolet lamp (18) and the grouting groove (9) are both arranged along the length direction of the glass fiber reinforced plastic light-curing rod (8); the ultraviolet lamp (18) is arranged at the center of the glass fiber reinforced plastic light-curing rod (8); the number and position of the grouting grooves (9) correspond one-to-one to the grouting holes (10) on the inner layer (11) of the anchor pipe.

5. The rapid anchoring device for treating thermal melt disasters based on light-curing materials as claimed in claim 1, Features: The ventilation structure (14) is composed of a ventilation structure inner layer (15) and a ventilation structure outer layer (16) nested together; an I-type ventilation structure inner and outer layer connecting plate (17) is provided between the ventilation structure inner layer (15) and the ventilation structure outer layer (16); one end of the ventilation structure inner layer (15) is exposed from the ventilation structure outer layer (16), and the other end is relatively retracted into the ventilation structure outer layer (16); the unpowered hood (7) is provided at the exposed end of the ventilation structure inner layer (15).

6. The rapid anchoring device for treating thermal melt disasters based on light-curing materials as claimed in claim 5, Features: The ventilation structure inner layer (15) is a cylindrical steel pipe, and its internal volume is equal to the volume between the outer wall of the ventilation structure inner layer (15) and the inner wall of the ventilation structure outer layer (16).

7. The rapid anchoring device for treating thermal melt disasters based on light-curing materials as claimed in claim 5, Features: The outer layer (16) of the ventilation structure is a steel pipe with a toothed structure, and its outer dimensions are equal to those of the glass fiber reinforced plastic light curing rod (8).

8. The construction method of the rapid anchoring device for treating thermal melt disasters based on light-curing materials as claimed in claim 5, The following steps are involved: (1) Using remote sensing images, determine the disaster body (1) that may cause thermal melt disasters and endanger the safe operation of frozen soil engineering projects. Combined with on-site field investigations, predict the volume of potential thermal melt disasters, determine the sizes of the light-curing anchoring device (2) and the non-powered wind cap (7), and design the construction drawings of the rapid anchoring device; (2) According to the design drawings, a glass fiber reinforced plastic light-curing rod (8) is manufactured in the factory; the inner diameter of the anchor pipe inner layer (11) is equal to that of the glass fiber reinforced plastic light-curing rod (8); the width of the anchor pipe grouting hole (10) is consistent with the width of the grouting groove (9); the size of the ventilation structure (14) is determined according to the size of the glass fiber reinforced plastic light-curing rod (8); after the above components are manufactured, they are assembled and put into use; (3) According to the requirements of the construction design drawings, drill holes at the potential heat-melt disaster site and drill holes according to the design dimensions of the light-curing anchoring device (2); (4) After the drilling of the predetermined position of the hole is completed, the assembled light-curing anchor device (2) is installed in the corresponding drill hole, and the light-curing material is injected into the light-curing anchor device (2) by pressure through the grouting groove (9) provided on the glass fiber reinforced plastic light-curing rod (8); (5) During the grouting process, a portion of the light-curing material enters the interior of the disaster body (1) through the anchor pipe grouting hole (10) to form a grouting layer (4), and another portion of the light-curing material enters the interlayer between the anchor pipe inner layer (11) and the anchor pipe outer layer (12) through the anchor pipe grouting hole (10). Under the action of pressure, the connecting plate (13) between the inner and outer layers of the anchor pipe changes from an S shape to an I shape, thereby causing the diameter of the anchor pipe outer layer (12) to expand; (6) After the grouting pressure reaches a set threshold value, the ultraviolet lamp (18) disposed in the glass fiber reinforced plastic light-curing rod (8) is powered on, and the light-curing material in the light-curing anchor device (2) is rapidly solidified under the action of ultraviolet rays, and then the glass fiber reinforced plastic light-curing rod (8) in the light-curing anchor device (2) is replaced with a ventilation structure (14); ⑺ Pre-tighten and anchor the light-curing anchoring device (2) using the pad (5) and the anchor (6); install the non-powered wind cap (7) at the exposed end of the inner layer (15) of the ventilation structure to complete the construction.

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