CN217053497U - Bored concrete pile construction quality detecting system - Google Patents
Bored concrete pile construction quality detecting system Download PDFInfo
- Publication number
- CN217053497U CN217053497U CN202220406812.6U CN202220406812U CN217053497U CN 217053497 U CN217053497 U CN 217053497U CN 202220406812 U CN202220406812 U CN 202220406812U CN 217053497 U CN217053497 U CN 217053497U
- Authority
- CN
- China
- Prior art keywords
- embedded
- sampling
- outer pipe
- pipe
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a bored concrete pile construction quality detecting system, it includes: pre-burying an outer pipe, an inner pipe, an isolation film and a sampling rod; the embedded outer pipe is fixedly connected with the reinforcement cage, and a first detection port is formed in one side of the embedded outer pipe; the embedded inner pipe is movably arranged in the middle of the embedded outer pipe, and the top of the embedded inner pipe exceeds the top of the embedded outer pipe; the side wall of the embedded inner pipe is symmetrically provided with second detection ports; the isolation film covers the inner side of the first detection port; the bottom of the pre-buried outer pipe is also provided with an isolation film; the bottom demountable installation of thief rod has the sampling subassembly, and the sampling subassembly includes the center post, and center post bottom fixedly connected with is pointed end, center post top center fixedly connected with spliced pole, spliced pole movable mounting in the thief rod bottom, center post fixedly connected with sample storehouse all around. The utility model has the advantages that: the utility model discloses bored concrete pile construction quality detecting system has convenient sample, facilitates the use sound wave to carry out the beneficial effect that detects to the bored concrete pile quality.
Description
Technical Field
The utility model belongs to the technical field of bored concrete pile construction quality detection, especially, relate to a bored concrete pile construction quality detecting system.
Background
The invention with the publication number of CN110258666B discloses a bored concrete pile bottom sediment and pile end foundation detection device, which relates to the technical field of bored concrete pile construction quality detection, and comprises a pre-buried pipe connected to a reinforcement cage, a sampling rod in threaded connection with the pre-buried pipe, and a sound wave tester with a sound wave test probe, wherein the length of the pre-buried pipe is greater than that of the reinforcement cage, and the pipe wall of the pre-buried pipe is provided with a plurality of detection ports; a plurality of sampling bins are arranged on the side wall of the lower end of the sampling rod, the sampling bins are obliquely arranged on the side wall of the sampling rod, and the openings of the sampling bins are arranged above the sampling bins and protrude out of the outer wall of the sampling rod. The invention has the advantages that the sampling of the soil at the bottom of the pile can be realized without using equipment such as a drilling machine and the like, and the whole range of the pile body of the cast-in-place pile can be directly detected through the detection port.
However, the above prior art solutions have the following drawbacks: establish the barrier film through pressing from both sides between embedded pipe and the thief rod and block during the concrete gets into embedded pipe, need poke the barrier film on the embedded pipe lateral wall through thorn form instrument before using the sound wave detection instrument to survey, but embedded pipe sets up the position darker, the difficult accurate opening of crossing of point form instrument punctures the barrier film, use sound wave probe to pass in addition and survey the mouth when detecting the bored concrete pile, the probe position is difficult fixed, inconvenient accuracy is detected the mouth of surveying accurately, it can be blockked by embedded pipe to take place the sound wave, the influence detects the structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bored concrete pile construction quality detecting system.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a bored concrete pile construction quality detection system, comprising: pre-burying an outer pipe, an inner pipe, an isolation film and a sampling rod; the embedded outer pipe is fixedly connected with a reinforcement cage, and four slots are symmetrically formed in the periphery of the top of the embedded outer pipe; a first detection port is formed in one side of the embedded outer pipe; the embedded inner pipe is movably arranged in the middle of the embedded outer pipe, the top of the embedded inner pipe exceeds the top end of the embedded outer pipe, the embedded inner pipe is attached to the inner wall of the embedded outer pipe, two insertion blocks are symmetrically and fixedly connected to two sides of the side edge of the upper part of the embedded inner pipe, and the insertion blocks are matched with the insertion grooves; the side wall of the embedded inner pipe is symmetrically provided with second detection ports, and the first detection ports correspond to the second detection ports; the isolating film covers the inner side of the first detection port, and the area of the isolating film is larger than that of the first detection port and that of the second detection port; the bottom of the pre-buried outer pipe is also provided with an isolation film; the sampling rod comprises a sampling rod body and is characterized in that a knob is fixedly connected to the top of the sampling rod body, a sampling assembly is detachably mounted at the bottom of the sampling rod body and comprises a central column, the bottom of the central column is fixedly connected with the tip end, a connecting column is fixedly connected to the center of the top of the central column, the connecting column is movably mounted in a connecting hole in the bottom of the sampling rod body, and a sampling bin is fixedly connected to the periphery of the central column.
The system for detecting the construction quality of the cast-in-place pile further comprises a sound wave detection assembly, wherein the sound wave detection assembly comprises a sound wave detector, a sound wave probe and a vertical rod, the sound wave probe is electrically connected with the sound wave detector through a transmission line, the length of the vertical rod is greater than that of the embedded outer tube, the upper slider and the lower slider are slidably mounted at the lower end of the vertical rod at intervals, two sides of the two sliders are respectively and rotatably connected with a supporting rod, one end of each supporting rod at the same side, far away from the slider, is rotatably connected with a mounting plate, the mounting plate is vertically arranged, the back of the mounting plate is fixedly connected with a mounting block, a through mounting hole is formed between the mounting plate and the mounting block, the sound wave probe is inserted in the mounting hole, a second spring is mounted between the two sliders, and the second spring is sleeved on the vertical rod, the upside branch of upper portion slider is provided with the upper portion dog, and the downside branch of lower part slider is provided with the lower part dog, the dog respectively with montant fixed connection, install first spring between dog and the slider, first spring housing is established on the montant.
The utility model discloses as above bored concrete pile construction quality detecting system, it is further, the pole body outside of thief rod is provided with the external screw thread, be provided with the internal thread on the pre-buried inner tube top inner wall, thief rod and pre-buried inner tube threaded connection.
The utility model discloses as above bored concrete pile construction quality detecting system, it is further, the spliced pole passes through the connecting hole of helicitic texture fixed mounting in the thief rod bottom.
The utility model discloses as above bored concrete pile construction quality detecting system, it is further, the opening direction of first detection mouth is towards the axis of bored concrete pile.
The utility model discloses as above bored concrete pile construction quality detecting system, it is further, the sample connection outside edge in sample storehouse surpasss the most advanced maximum external diameter in bottom.
The utility model has the advantages that: the utility model discloses bored concrete pile construction quality detecting system is through with pre-buried outer tube and pre-buried inner tube pre-fixing in steel reinforcement cage inboard, uses the barrier film to block in the concrete admission pipe, consequently when the sample, only needs the thief rod to run through pre-buried inner tube, the sample subassembly of thief rod bottom insert the sediment layer in the sample can, receive the resistance less, the convenient sample. The utility model discloses bored concrete pile construction quality detecting system is before carrying out the sound wave and surveying, through rotating pre-buried inner tube, accessible frictional force takes off the barrier film, later through montant, dog, slider, bracing piece, mounting panel, fixed plate, spring one and two cooperations of spring for the alignment detection mouth that the sound wave probe can be accurate, facilitate the use sound wave to detect the bored concrete pile quality.
Drawings
The above and/or other aspects of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only, and not by way of limitation, in which:
FIG. 1 is a schematic view of an embedded outer pipe and an embedded inner pipe;
FIG. 2 is a schematic cross-sectional view of an embedded outer pipe and an embedded inner pipe;
FIG. 3 is a partially enlarged view of the portion A in FIG. 2;
FIG. 4 is a schematic view of a thief rod and a thief assembly;
FIG. 5 is a schematic top view of a sampling chamber of the sampling assembly;
fig. 6 is a schematic view of an acoustic detection assembly according to an embodiment of the present invention;
FIG. 7 is an enlarged, fragmentary view of portion B of the acoustic detection assembly of FIG. 6;
fig. 8 is a schematic view of a sound wave detector according to an embodiment of the present invention.
In the drawings, the reference numbers indicate the following list of parts:
1. the device comprises an embedded outer tube, 11, a first detection port, 2, an embedded inner tube, 21, a second detection port, 22, internal threads, 3, an isolation film, 4, an insertion block, 5, an insertion groove, 6, a sampling rod, 61, a knob, 62, external threads, 7, a sampling assembly, 71, a tip end, 72, a central column, 73, a connecting column, 74, a sampling bin, 8, an acoustic wave detection assembly, 81, an acoustic wave detection instrument, 82, a transmission line, 83, a vertical rod, 84, a stop block, 85, a first spring, 86, a sliding block, 87, a second spring, 88, an acoustic wave probe, 89, a support rod, 810, a mounting plate, 811 and a mounting block.
Detailed Description
Hereinafter, embodiments of the present invention of a cast-in-place pile construction quality detection system will be described with reference to the accompanying drawings.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are both explanatory and exemplary, and should not be construed as limiting the scope of the embodiments and the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
In order to ensure the construction quality of the cast-in-place pile after construction, quality detection is required. Fig. 1-8 show that the utility model relates to a bored concrete pile construction quality detecting system of embodiment, it includes:
the embedded outer pipe 1 is fixedly connected with a reinforcement cage of the cast-in-place pile, and four slots 5 are symmetrically formed in the periphery of the top of the embedded outer pipe 1; one side of the embedded outer pipe 1 is provided with a first detection port 11; in a preferred embodiment of the system for detecting the construction quality of the cast-in-place pile, the opening direction of the first detection port 11 faces the central axis of the cast-in-place pile, so that the quality of the cast-in-place pile can be detected conveniently through the acoustic wave probe 88.
The embedded inner pipe 2 is movably arranged in the middle of the embedded outer pipe 1, the top of the embedded inner pipe 2 exceeds the top end of the embedded outer pipe 1, the embedded inner pipe 2 is attached to the inner wall of the embedded outer pipe 1, two insertion blocks 4 are symmetrically and fixedly connected to two sides of the side edge of the upper portion of the embedded inner pipe 2, and the insertion blocks 4 are matched with the insertion grooves 5; the side wall of the embedded inner pipe is symmetrically provided with second detection ports 21, and the first detection ports 11 correspond to the second detection ports 21;
the isolation film 3 covers the inner side of the first detection port 11, and the area of the isolation film 3 is larger than that of the first detection port 11 and the second detection port 21; the bottom of the pre-buried outer pipe 1 is also provided with an isolation film 3;
In a preferred embodiment of the system for detecting the construction quality of the cast-in-place pile, an external thread 62 is arranged on the outer side of the rod body of the sampling rod 6, an internal thread 22 is arranged on the inner wall of the top of the embedded inner pipe 2, and the sampling rod is in threaded connection with the embedded inner pipe 2. The internal thread 22 is only arranged at the top of the embedded inner tube 2, so that the screwing-out of the sampling rod 6 is facilitated, and the torque born by the sampling rod 6 in the screwing-out process is smaller.
In the second preferred embodiment of the system for detecting the construction quality of the cast-in-place pile, the connecting column 73 is fixedly installed in a connecting hole at the bottom of the sampling rod 6 through a threaded structure, so that the sampling bin 74 can be conveniently detached after sampling. In the third preferred embodiment of the system for detecting the construction quality of the cast-in-place pile, the outer edge of the sampling port of the sampling bin 74 exceeds the maximum outer diameter of the bottom tip 71, so that the sampling bin 74 can scrape sediment samples conveniently.
When a cast-in-place pile construction quality detection system is used for sampling, firstly, the embedded outer pipe 1 and the embedded inner pipe 2 are fixed on the inner side of a reinforcement cage of the cast-in-place pile in a binding or welding mode, the bottom of the embedded outer pipe 1 is contacted with a sediment layer at the bottom of the cast-in-place pile, then the cast-in-place pile is cast according to a conventional pile forming method, after the casting is finished, the embedded outer pipe 1 and the embedded inner pipe 2 are relatively fixed through the matching of the inserting block 4 and the inserting slot 5, then the sampling rod 6 is screwed in from the top of the embedded inner pipe 2, so that the sampling component 7 at the bottom of the sampling rod 6 can be inserted into the sediment layer, the sampling bin 74 in the sampling assembly 7 can scrape the sediment at the side by rotating the sampling rod 6, collect the sediment into the sampling bin 74, then screw out the sampling rod 6 in the direction and take the mahjong sampling assembly 7 out, and finally dismantle the sampling assembly 7, so that the sediment sample at the bottom of the pile can be obtained, and the sediment sample at the bottom of the pile can be conveniently detected. Through setting up barrier film 3 and blockking that the concrete gets into pre-buried inner tube 2, follow-up sample only need use the most advanced 71 in sampling subassembly 7 bottom to pierce through the sediment layer of bottom promptly, bore into simple laborsaving, convenient and practical.
In a preferred detection system for construction quality of a cast-in-place pile, the detection system further comprises an acoustic detection assembly 8, the acoustic detection assembly 8 comprises an acoustic detector 81, an acoustic probe 88 and a vertical rod 83, the acoustic probe 88 is electrically connected with the acoustic detector 81 through a transmission line 82, the length of the vertical rod 83 is greater than that of the embedded outer pipe 1, an upper slider 86 and a lower slider 86 are slidably mounted at the lower end of the vertical rod 83 at intervals, two sides of the two sliders 86 are respectively and rotatably connected with a support rod 89, one end, far away from the sliders 86, of the two support rods 89 on the same side is rotatably connected with a mounting plate 810, the mounting plate 810 is vertically arranged, a mounting block 811 is fixedly connected to the back of the mounting plate 810, a through mounting hole is formed in the middle of the mounting plate 810 and the mounting block 811, the acoustic probe 88 is inserted into the mounting hole, a second spring 87 is mounted between the two sliders 86, the spring is sleeved on the vertical rod 83, an upper stop 84 is arranged on the upper side of the upper slider 86, the lower side of the lower sliding block 86 is provided with a lower stop 84, the stop 84 is fixedly connected with the vertical rod 83, a first spring 85 is arranged between the stop 84 and the sliding block 86, and the first spring 85 is sleeved on the vertical rod 83.
When the bored concrete pile construction quality detection system is used for sound wave detection, the embedded inner pipe 2 is lifted upwards by pulling the part of the top of the embedded inner pipe 2 exceeding the embedded outer pipe 1 upwards, so that the insert block 4 at the side edge is separated from the slot 5, then the embedded inner pipe 2 is rotated 90 degrees, at the moment, the second detection port 21 at the side edge of the embedded inner pipe 2 is aligned with the first detection port 11 of the embedded outer pipe 1, then the embedded inner pipe 2 is put down, the insert block 4 is inserted into the slot 5 again, in the rotating process, the friction between the embedded outer pipe 1 and the embedded inner pipe 2 can uncover the isolating membrane 3 from the inner side of the first detection port 11, then the sound wave detection component 8 is put down from the top of the embedded inner pipe 2, so that the sound wave probe 88 is vertically put down to the position of the first detection port 11 (the position of the first detection port 11 can be determined by the position of the slot 5), in the process of putting down the sound wave detection component 8, under the compression of the first spring 85 and the second spring 87, the mounting plate 810 is extended into the second detecting port 21, and at this time, the acoustic wave probe 88 can be aligned with the first detecting port 11 and the second detecting port 21, so as to facilitate the quality detection of the cast-in-place pile by using the acoustic wave, when the vertical rod 83 is used to continue to lower the acoustic wave detecting assembly 8, the supporting rod 89 is pressed by the side wall of the second detecting port 21, so as to slide the slider 86 along the vertical rod 83, so that the mounting plate 810 is retracted from the second detecting port 21, until the next second detecting port 21 is reached, the mounting plate 810 is pushed into the second detecting port 21 again through the first spring 85 and the second spring 87, so that the stop feeling can be felt through the vertical rod 83, so as to determine that the acoustic wave probe 88 moves from one second detecting port 21 to another second detecting port 21, the quality detection of different positions of the cast-in-place pile can be detected by using the acoustic wave probe 88, the detection effect is better.
To sum up, the utility model discloses bored concrete pile construction quality detecting system's use flow: when the device is used, the embedded outer pipe 1 and the embedded inner pipe 2 are fixed on the inner side of a reinforcement cage in a binding or welding mode, the bottom of the embedded outer pipe 1 is in contact with a sediment layer at the bottom of a pile, then a cast-in-place pile is poured according to a conventional pile forming method, after pouring is completed, the sampling rod 6 is screwed in from the top of the embedded inner pipe 2, so that the sampling component 7 at the bottom of the sampling rod 6 can be inserted into the sediment layer, the sampling bin 74 in the sampling component 7 can scrape sediment on the side edge by rotating the sampling rod 6, the sediment is collected into the sampling bin 74, then the sampling rod 6 is screwed out in the direction, the sampling component 7 is taken out, then the sediment sample at the bottom of the pile can be obtained, and the sediment sample at the bottom of the pile is convenient to detect. Then, the top of the embedded inner pipe 2 exceeds the part of the embedded outer pipe 1 by upward pulling, the embedded inner pipe 2 is lifted upwards to separate the insert block 4 at the side edge from the slot 5, then the embedded inner pipe 2 is rotated by 90 degrees, at the moment, the second detection port 21 at the side edge of the embedded inner pipe 2 is aligned with the first detection port 11 of the embedded outer pipe 1, then the embedded inner pipe 2 is put down, the insert block 4 is inserted into the slot 5 again, in the rotating process, the isolation film 3 is uncovered from the inner side of the first detection port 11 by the friction between the embedded outer pipe 1 and the embedded inner pipe 2, then the sound wave detection assembly 8 is put down from the top of the embedded inner pipe 2, so that the sound wave probe 88 is vertically put down in alignment with the position of the first detection port 11, the position of the first detection port 11 can be determined by the position of the slot 5, in the process of putting down the sound wave detection assembly 8, under the extrusion of the first spring 85 and the second spring 87, so that mounting plate 810 protrudes into second detecting port 21, and sonic probe 88 can be aligned with first detecting port 11 and second detecting port 21, so as to facilitate quality detection of the bored pile using sonic waves, when the vertical rod 83 is used to continue lowering the acoustic wave detecting unit 8, the supporting rod 89 is pressed by the side wall of the second detecting port 21, so that the sliding block 86 will slide along the vertical rod 83, and the mounting plate 810 will be retracted from the second detecting port 21, until moving to the next position of the second detecting port 21, the mounting plate 810 is pushed into the second detection port 21 again by the first spring 85 and the second spring 87, so that a stop feeling is felt by the vertical rod 83, thereby confirming that the acoustic wave probe 88 moves from one second detecting port 21 to another second detecting port 21, the sound wave probe 88 can be used for detecting the quality of different positions of different cast-in-place piles, and the detection effect is better.
The above-disclosed technical features are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the utility model, so as to achieve the purpose of the utility model.
Claims (6)
1. A bored concrete pile construction quality detecting system, characterized by, includes: the device comprises an embedded outer pipe (1), an embedded inner pipe (2), an isolation film (3) and a sampling rod (6); the embedded outer pipe (1) is fixedly connected with a reinforcement cage, and four slots (5) are symmetrically formed in the periphery of the top of the embedded outer pipe (1); a first detection port (11) is formed in one side of the embedded outer pipe (1); the embedded inner pipe (2) is movably arranged in the middle of the embedded outer pipe (1), the top of the embedded inner pipe (2) exceeds the top end of the embedded outer pipe (1), the embedded inner pipe (2) is attached to the inner wall of the embedded outer pipe (1), two insertion blocks (4) are symmetrically and fixedly connected to two sides of the side edge of the upper portion of the embedded inner pipe (2), and the insertion blocks (4) are matched with the insertion grooves (5); the side wall of the embedded inner pipe is symmetrically provided with second detection ports (21), and the first detection ports (11) correspond to the second detection ports (21); the isolating membrane (3) covers the inner side of the first detection port (11), and the area of the isolating membrane (3) is larger than that of the first detection port (11) and the second detection port (21); the bottom of the pre-buried outer pipe (1) is also provided with an isolation film (3); sampling rod (6) top fixedly connected with knob (61), the bottom demountable installation of sampling rod (6) has sampling subassembly (7), sampling subassembly (7) include center post (72), center post (72) bottom fixedly connected with is most advanced (71), center post (72) top center fixedly connected with spliced pole (73), spliced pole (73) movable mounting is in sampling rod (6) bottom connecting hole, fixedly connected with sample storehouse (74) all around center post (72).
2. The cast-in-place pile construction quality detection system according to claim 1, characterized by further comprising an acoustic wave detection assembly (8), wherein the acoustic wave detection assembly (8) comprises an acoustic wave detector (81), an acoustic wave probe (88) and a vertical rod (83), the acoustic wave probe (88) is electrically connected with the acoustic wave detector (81) through a transmission line (82), the length of the vertical rod (83) is greater than that of the pre-embedded outer pipe (1), the upper slider (86) and the lower slider (86) are slidably mounted at the lower end of the vertical rod (83) at intervals, two sides of the two sliders (86) are respectively and rotatably connected with a supporting rod (89), one end of each supporting rod (89) on the same side, far away from the slider (86), is rotatably connected with a mounting plate (810), the mounting plate (810) is vertically arranged, and a mounting block (811) is fixedly connected to the back of the mounting plate (810), the installation hole that link up is seted up in the centre of mounting panel (810) and installation piece (811), sound wave probe (88) are pegged graft in the mounting hole, two install second spring (87) between slider (86), the second spring cover is established on montant (83), and the side of going up of upper portion slider (86) is provided with upper portion dog (84), and the downside branch of lower part slider (86) is provided with lower part dog (84), dog (84) respectively with montant (83) fixed connection, install first spring (85) between dog (84) and slider (86), first spring (85) cover is established on montant (83).
3. The cast-in-place pile construction quality detection system according to claim 1, characterized in that external threads (62) are arranged on the outer side of the rod body of the sampling rod (6), internal threads (22) are arranged on the inner wall of the top of the embedded inner pipe (2), and the sampling rod is in threaded connection with the embedded inner pipe (2).
4. The bored concrete pile construction quality detection system according to claim 1, wherein the connection column (73) is fixedly installed at a connection hole at the bottom of the sampling rod (6) by a screw structure.
5. The cast-in-place pile construction quality detection system according to claim 1, wherein the opening direction of the first detection port (11) is directed toward the central axis of the cast-in-place pile.
6. The cast-in-place pile construction quality detection system according to claim 1, characterized in that the outer edge of the sampling port of the sampling bin (74) exceeds the maximum outer diameter of the bottom tip (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220406812.6U CN217053497U (en) | 2022-02-28 | 2022-02-28 | Bored concrete pile construction quality detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220406812.6U CN217053497U (en) | 2022-02-28 | 2022-02-28 | Bored concrete pile construction quality detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217053497U true CN217053497U (en) | 2022-07-26 |
Family
ID=82486608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220406812.6U Active CN217053497U (en) | 2022-02-28 | 2022-02-28 | Bored concrete pile construction quality detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217053497U (en) |
-
2022
- 2022-02-28 CN CN202220406812.6U patent/CN217053497U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10816448B2 (en) | Device for measuring strength and strain softening parameters of saturated clay sample based on full-flow penetration | |
| CN106088174B (en) | A kind of soft clay area diaphram wall seepage detection system | |
| US5801537A (en) | Method and apparatus for measuring in-place soil density and moisture content | |
| CN102900061B (en) | Soil taking device and soil taking method of starting side opening of movable doorseal | |
| CN208239220U (en) | Shear tester in hole in situ | |
| JP2000054778A (en) | Excavator | |
| CN106353357A (en) | Device and method for monitoring micro structure changes of sand soil medium under seepage effect | |
| CN106644890A (en) | Device for measuring soil sample permeability coefficient in indoor soil engineering test | |
| CN217053497U (en) | Bored concrete pile construction quality detecting system | |
| CN115573397B (en) | Evaluation model design and evaluation method for soil plug compaction effect of offshore wind power pile foundation | |
| CN113322930A (en) | Combined control system and control method for construction quality of vibroflotation gravel pile | |
| CN108570978B (en) | Hollow side wall wiring type static cone penetration test equipment | |
| CN109100182B (en) | Sampling device for simultaneously acquiring characteristic data of different water levels and application method thereof | |
| CN205280545U (en) | Seepage tests sand post or earth pillar suitable for nuclear magnetic resonance analysis and imaging system | |
| CN113251975A (en) | Pile hole sediment thickness detection device and detection method | |
| CN112268736A (en) | Multifunctional soil sampling device | |
| CN102733363B (en) | Pipe type side opening opening-closing soft soil taking device and soil taking method of soil taking device | |
| CN111693361A (en) | Soil body intensity measuring device based on full-flow sounding | |
| CN109283100B (en) | Experimental device and method for soil collection and interstitial water and leakage liquid collection | |
| CN103323569B (en) | Variable-rate pore pressure static sounding test device | |
| CN110230327B (en) | Real-time monitoring system and method for sand pile construction quality | |
| JP5170601B1 (en) | Soil sampler | |
| CN114705109A (en) | Hydraulic ring geological crack measuring device and measuring method thereof | |
| CN115125129A (en) | Constant-temperature chromatography nucleic acid detection device and detection method | |
| CN212060013U (en) | Bored concrete pile reaming interior concrete quality detection device based on concrete hydration heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |