CN210439339U - Cylindrical pile foundation water environment in-situ exposure test device - Google Patents
Cylindrical pile foundation water environment in-situ exposure test device Download PDFInfo
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- CN210439339U CN210439339U CN201920655267.2U CN201920655267U CN210439339U CN 210439339 U CN210439339 U CN 210439339U CN 201920655267 U CN201920655267 U CN 201920655267U CN 210439339 U CN210439339 U CN 210439339U
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Abstract
The utility model discloses a cylindricality pile foundation water environment normal position exposure test device, test device includes cyclic annular supporting mechanism, sample support and auxiliary component, and this exposure test device can be according to the basic condition design of actual exposure environment, and preparation processing is simple, can conveniently install on the material is the specific site of the cylindricality pile foundation of concrete or steel, provides convenient supporting condition for the local normal position exposure test in the water environment.
Description
Technical Field
The utility model belongs to corruption and protection field relate to the water environment and expose the test, especially a cylindricality pile foundation water environment normal position exposes test device.
Background
The natural environment corrosion test is an important measure for researching the environmental adaptability of materials, products and the like, and is widely used in the fields of material development, product research and development, corrosion protection and the like. A large number of structures such as wharfs, bridges, tunnels and the like are in service in water environments such as seawater, fresh water and the like, and the structures are one of typical environments for carrying out natural environment corrosion tests. Conventional aquatic environment exposure tests are typically performed on an exposure test station basis. The exposure test station is a fixed infrastructure for carrying out natural corrosion tests, such as various test stations of a national material environment station network, a coastal concrete durability violence test station, an exposure test station built along with a cross-sea bridge (such as an exposure test station of a Hangzhou gulf cross-sea bridge) and the like, and is an important condition for material corrosion data accumulation, material corrosion rule research and the like.
However, the following problems also exist in the actual water environment corrosion test: (1) the construction of the water environment exposure test station needs a large amount of manpower, material resources and corresponding fields, so the quantity is limited, and the test resources are relatively short; (2) some projects (such as wharfs, bridges and the like) need to acquire corrosion data of local specific areas, and if an exposure test station is constructed for the corrosion data, a large amount of manpower and material resources are consumed, and the corresponding conditions are generally difficult to meet by common projects.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above-mentioned problem, provide a cylindricality pile foundation water environment normal position exposure test device. The exposure test device can be designed according to the basic conditions of the actual exposure environment, is simple to manufacture and process, can be conveniently installed on the specific part of the cylindrical pile foundation made of concrete or steel, and provides convenient supporting conditions for local in-situ exposure tests in the water environment.
The following technical scheme is proposed for achieving the purpose:
a cylindrical pile foundation water environment in-situ exposure test device comprises an annular supporting mechanism, a sample support and an auxiliary component;
the annular supporting mechanism comprises a hoop and a test piece support insert ring, the hoop is of a symmetrical split structure and is fixedly connected and installed on the outer wall of the cylindrical pile foundation or the square cylindrical pile foundation in a surrounding mode through bolt and nut fasteners, the support insert ring used for installing the test piece support is distributed on the outer side of the hoop, and a plurality of groups of the annular supporting mechanism can be installed along the vertical direction of the pile foundation corresponding to different water environments (an atmospheric region, a splash region, a water level changing region, a underwater region, a mud lower region and the like);
the sample support comprises a sheet sample support and a block sample support:
the sheet sample support comprises an inserted bar, a support plate, a support bar and 2 insulating sleeves, the support plate is welded and fixed on the inserted bar, the insulating sleeves are vertically connected on the support plate, and a round hole matched with the outer diameter of each insulating sleeve is formed in each sheet sample and used for mounting the sheet sample on the insulating sleeve;
the cubic sample support includes vertical support rod, horizontal bracing piece, diagonal bracing piece, inserted bar and test piece basket, and horizontal bracing piece, diagonal bracing piece and vertical support rod constitute triangular support component, are provided with the inserted bar parallel with it below horizontal bracing piece, the inside one side of vertical support rod, horizontal bracing piece top fixed mounting test piece basket.
The auxiliary component is arranged on the supporting mechanism or the test piece bracket; the device comprises a sacrificial anode, an electric connecting part, a positioning rope and the like, is used for realizing special functions and is selected according to the requirements of exposure tests.
In the technical scheme, the clamp divide into 2 kinds of forms according to the shape of pile foundation, installs the clamp on cylindrical pile foundation for semi-circular clamp, installs the clamp on the square column shape pile foundation and is half square clamp.
In the technical scheme, the contact surface of the inner side of the clamp and the pile foundation is provided with the anti-slip gasket, and the anti-slip gasket is made of rubber, silica gel and other materials.
In the above technical scheme, the support insert ring is square or circular.
In the technical scheme, the bottom of the inserted bar is provided with a sheet sample support lock head for locking the sheet sample support on the supporting mechanism, and the sheet sample support lock head is composed of a screw nut fastener with a nylon sleeve.
In the technical scheme, a block sample support lock head is arranged between the inserted rod and the vertical support rod and used for locking the block sample support on the support mechanism, and the block sample support lock head is composed of a screw nut fastener with a nylon sleeve.
In the technical scheme, the test piece basket comprises a test piece basket body, a test piece anti-slip gasket strip, a test piece basket lock, a test piece basket cover, a test piece basket hinge rod and the like, wherein the test piece basket cover can be upwards opened along the test piece basket hinge rod, the test piece basket lock is installed on one side of the test piece basket cover, the test piece anti-slip gasket strip is arranged on the inner bottom surface of the test piece basket body, and the test piece basket body is of a hollow structure.
In the above technical scheme, the sacrificial anode is installed on the supporting mechanism and used for corrosion prevention of the supporting mechanism in a water level fluctuation area, an underwater area or a mud area.
In the technical scheme, the electric connecting part is a seawater-resistant cable or a corrosion-resistant conductive metal piece, is arranged on a test piece of a specific corrosion zone, and is used for realizing a long test piece penetrating through a marine corrosion zone.
In the technical scheme, the positioning rope is packaged in the inserted rod of the test piece support, is made of seawater-resistant high polymer materials, and is used for positioning when sampling in media (such as sea mud, river mud and the like) which are difficult to determine the position of the test piece support.
A method implemented by a water environment in-situ exposure test device comprises the following specific steps:
1. method for setting test piece
(1) For the sheet-shaped test piece, the sheet-shaped test piece is assembled and fixed on the test piece support to form a test piece and test piece support combination.
(2) And for the block-shaped test piece, after the block-shaped test piece bracket is installed, placing the block-shaped test piece. Or putting the block-shaped test piece into the test piece basket body and fixing the test piece basket body, and then covering and locking the test piece basket cover to form the test piece and test piece support assembly.
2. Method for mounting support mechanism
Two semi-ring-shaped hoops of the ring-shaped supporting mechanism are placed at the designated position of the pile foundation and then fastened by using bolt and nut fasteners, so that the supporting mechanism is fixed at the designated position of the pile foundation.
3. On-site installation method of test piece
(1) For a sheet-shaped test piece, an inserted rod of the test piece and the test piece support assembly is inserted into a test piece support inserted ring of the supporting mechanism, and then the assembly is locked by a lock.
(2) For the massive test piece, the inserted rod of the massive test piece support is inserted into the inserted ring of the test piece support of the supporting mechanism and locked by the lock head, then the test piece basket cover is opened, the massive test piece is placed into the test piece basket body, and then the test piece basket cover is locked. Or inserting the formed inserted rod of the test piece and the test piece support assembly into the test piece support inserted ring of the supporting mechanism, and locking the assembly by using the block support lock.
4. Method for implementing field sampling
(1) Field sampling was performed according to the exposure test period.
(2) For the sheet-shaped test piece support, the lock head at the insertion ring of the specified test piece support is unlocked, then the insertion rod of the test piece support is pulled out, and the test piece and the support combination are taken back.
(3) For the massive test piece support, the test piece basket cover at the position of the specified test piece support is unlocked, the massive test piece is taken back, then the lock at the position of the test piece support insert ring is unlocked, the test piece support insert rod is pulled out, and the test piece support is taken back. Or unlocking the lock at the position of the test piece support insert ring, pulling out the test piece support insert rod, and taking back the test piece and the support combination.
5. Method for implementing auxiliary component
(1) Sacrificial anode implementation: the supporting mechanism is provided with a mounting hole, the sacrificial anode is fixed on the supporting mechanism by a bolt, the electric connection is ensured by a gasket or a welding mode, and the corresponding part of the bolt is sealed by a solidifiable sealing material. The mounting number of the sacrificial anodes is determined according to the protected area of the supporting mechanism and the test period.
(2) The electrical connection component implements: and (3) opening a hole on a test piece to be electrically connected, fixing an electrically connecting component on the test piece through a connecting piece and a bolt and nut fastener, ensuring the electrical connection in a gasket or welding mode, and sealing the corresponding part of the bolt and nut fastener by using a curable sealing material.
(3) Positioning rope implementation: one end of the positioning rope is fixed on the inserted rod of the test piece support, and the other end of the positioning rope is fixed on a fixed point of which the position is easy to determine, so that the position of the test piece support which is difficult to position is determined according to the positioning rope, and sampling is facilitated.
The utility model has the advantages as follows:
(1) the utility model has a ring-shaped supporting mechanism and a strip-shaped supporting mechanism, and can be conveniently installed on a cylindrical pile foundation structure; the test piece bracket is connected with the supporting mechanism by adopting a plug-in structure, so that the field installation and the field sampling are convenient; the two forms of a sheet test piece bracket and a block test piece bracket are adopted, so that the device is suitable for different types of test pieces; the sacrificial anode can realize the cathodic protection of the underwater steel supporting mechanism, and the service life of the steel supporting mechanism is guaranteed; the electrical connecting component can enable the test piece to be a long test piece penetrating through a marine corrosion zone, and the application range of the in-situ exposure test device is expanded; when the test piece support is in the medium such as sea mud, river mud, be difficult to confirm the position of test piece support, with the location rope location when can conveniently taking a sample to find the test piece fast.
(2) The utility model has the characteristics of the principle is simple, simple to operate, dress appearance sample is convenient, with low costs etc, and installation that can be convenient is structural at the cylindricality pile foundation, forms water environment normal position exposure test condition fast, to the region that does not have fixed knot structure, through beat establish the pile foundation after, the normal position exposure test condition can be found to the installation test device, not only can avoid building the manpower and materials that the exposure test station consumes, helps building local normal position exposure test condition fast moreover.
(3) The utility model discloses application scope is wide, can be used to the normal position exposure test at positions such as atmospheric region, splash zone, water level fluctuation district, underwater region and mud inferior region, can realize the normal position exposure test of multiple type of material (metal, macromolecular material, concrete etc.) or product of multiple shape (slice, cubic or long test piece etc.) moreover. The test data obtained from the local in situ exposure test can provide data support for the durability redesign of the structure.
Drawings
Fig. 1 is a schematic view of an installation structure of a sheet-like test piece and a sheet-like test piece holder.
Fig. 2 is a schematic cross-sectional view taken along line a-a in fig. 1.
Fig. 3 is a schematic cross-sectional view at B-B in fig. 1.
Fig. 4 is a schematic cross-sectional view at C-C in fig. 1.
Fig. 5 is a schematic cross-sectional view at D-D in fig. 1.
Fig. 6 is a schematic view of an installation structure of a block specimen and a block specimen holder.
Fig. 7 is a schematic cross-sectional view at E-E in fig. 6.
Fig. 8 is a schematic cross-sectional view at F-F in fig. 6.
Fig. 9 is a schematic side view of a cylindrical pile foundation (cylindrical or square cylindrical) water environment in-situ exposure test device, wherein a sheet-shaped test piece and a sheet-shaped test piece support can be replaced by a block-shaped test piece and a block-shaped test piece support.
Fig. 10 is a schematic view of a top view structure of a cylindrical pile foundation water environment in-situ exposure test device.
Fig. 11 is a schematic view of a top view structure of a square column pile foundation water environment in-situ exposure test device.
Wherein:
1 is a sheet test piece support, 1-1 is an inserted bar, 1-2 is a support plate, 1-3 is a support bar, 1-4 is a positioning plate, 1-5 is a sheet test piece support lock, 1-6 is a sheet test piece, 1-7 is a sacrificial anode/sheet test piece combined test piece, 1-8 is an insulating sleeve, 1-8-a is an outer sleeve, 1-8-b is an inner sleeve, 1-9 is a support bar gasket, 1-10 is a support bar nut, 1-11 is a sacrificial anode test piece, 1-12 is cured packaging epoxy and ferrule, 1-13 is a sacrificial anode bolt gasket, and 1-14 is a sacrificial anode fixing bolt;
2 is a block-shaped test piece bracket, 2-1 vertical supporting rod, 2-2 oblique supporting rod, 2-3 transverse supporting rod, 2-4 inserted rod, 2-5 test piece basket body, 2-6 test piece anti-skid gasket strip, 2-7 test piece basket lock head, 2-8 test piece basket cover, 2-9 test piece basket hinge rod, 2-10 block-shaped test piece, 2-11 stop rod and 2-12 block-shaped test piece bracket lock head;
3-1 is a sacrificial anode, 3-2 is an electrical connecting part, and 3-3 is a positioning rope;
4 is a cylindrical pile foundation structure;
5 is an annular supporting mechanism, 5-1 is a semicircular hoop, 5-2 is an anti-skid gasket, 5-3 is a test piece support insert ring, 5-4 is a fixing flange, 5-5 is a rib plate, and 5-6 is a bolt and nut fastener;
6-1 is a half square hoop.
Detailed Description
Treat differences such as mounting structure, test piece form, installation form, the utility model discloses the concrete implementation of device is also different. In order to provide a thorough understanding of the present invention, 2 specific embodiments will be presented in the following description. The preferred embodiments of the present invention are described in detail below, however, other embodiments of the present invention are possible in addition to these detailed descriptions. The invention is further described with reference to the accompanying drawings and specific embodiments.
Example (b): water environment in-situ exposure test device for cylindrical pile foundation structure and sheet test piece
The embodiment is a water environment in-situ exposure test device for a cylindrical pile foundation structure and a sheet test piece, and the functions of ① in-situ exposure tests of the sheet test piece (such as a steel sheet test piece) in 5 corrosion zones in an atmospheric zone, a splash zone, a water level fluctuation zone, a sub-underwater zone and a mud zone, ② in-situ exposure tests of a long test piece consisting of metal sheet test pieces penetrating through the 5 corrosion zones, ③ in-situ exposure tests of the protected (cathode protection, coating protection and the like) sheet test piece and a bare sheet test piece (such as a steel sheet test piece and the like), ④ positioning of a test piece support during sampling below a mud surface, ⑤ establishing in-situ exposure test conditions on the cylindrical pile foundation structure and the square cylindrical pile foundation structure in the water environment, and ⑥ in-situ exposure test pieces can be quickly installed and sampled in a pre-assembling and plugging mode.
Fig. 9 is a schematic structural diagram of a water environment in-situ exposure test device for a cylindrical pile foundation structure and a sheet test piece. The main components of the present embodiment include an annular support mechanism 5, a sheet specimen support 1, a sheet specimen thereon, a sacrificial anode/sheet specimen combination specimen (fig. 1), an auxiliary component sacrificial anode 3-1, an electrical connection component 3-2, a positioning rope 3-3, and the like. The annular supporting mechanism 5 is fixedly installed at a designated position of the cylindrical pile foundation structure 4, the sheet-shaped test piece support 1 is installed on the annular supporting mechanism 5, and the sheet-shaped test pieces 1-6 are installed on the sheet-shaped test piece support 1. The auxiliary component sacrificial anode 3-1 is arranged on the annular supporting mechanism 5, the electric connection component 3-2 is connected between the sheet-shaped test pieces 1-6 in the vertical direction, and the positioning rope 3-3 is fixed on the sheet-shaped test piece support 1.
The ring-shaped support means 5 have both a circular (fig. 10) and a square (fig. 11) form. Referring to fig. 10 (fig. 11), there is a schematic structural view of a ring-shaped supporting mechanism installed on a cylindrical (square column-shaped) pile foundation. The annular supporting mechanism comprises a semicircular hoop 5-1 or a semi-square hoop 6-1, an anti-skid gasket 5-2, a test piece support insert ring 5-3, a fixing flange 5-4, a rib plate 5-5, a bolt and nut fastener 5-6, a sacrificial anode 3-1 and the like, and is installed on the cylindrical pile foundation structure 4. The annular supporting mechanism 5 is made of steel or stainless steel, and the annular supporting mechanism 5 made of steel is protected by an anti-corrosion coating. The semicircular clamp 5-1 and the semi-square clamp 6-1 can be respectively used for being fixed on a cylindrical pile foundation and a square cylindrical pile foundation through bolt and nut fasteners 5-6. The rib plate 5-5 is welded on the semicircular clamp 5-1 (the semi-square clamp 6-1) and the fixed flange 5-4. The test piece support insert ring 5-3 is square and used for inserting the sheet-shaped test piece support 1. The inner side of the semicircular hoop 5-1 (the semi-square hoop 6-1) is provided with an anti-skid gasket 5-2, the test piece support insert rings 5-3 are symmetrically distributed around, and the number is determined according to the diameter or the side length of the cylindrical pile foundation structure 4. The anti-skid gasket 5-2 is made of rubber, silica gel and other materials. And sacrificial anodes 3-1 are arranged on the annular supporting mechanisms 1-1 of the water level fluctuation area, the underwater area and the mud area for corrosion prevention.
Referring to fig. 1, 2, 3, 4 and 5, a sheet specimen and a sheet specimen holder are schematically shown. The sheet specimen support 1 is made of steel or stainless steel, and the sheet specimen support 1 made of steel is protected by an anticorrosive coating. The sheet test piece support 1 comprises an inserted rod 1-1, a support plate 1-2, a support rod 1-3, a positioning plate 1-4, a lock head 1-5, a sheet test piece 1-6, a sacrificial anode/sheet test piece combined test piece 1-7, an insulating sleeve 1-8, a support rod gasket 1-9, a support rod nut 1-10, a sacrificial anode test piece 1-11, cured packaging epoxy and a ferrule 1-12, a sacrificial anode bolt gasket 1-13, a sacrificial anode fixing bolt 1-14 and the like. The inserted bar 1-1 is inserted into the test piece support inserted ring 5-3 of the supporting mechanism for fixing, the supporting plate 1-2 is fixed on the inserted bar 1-1 in a welding mode, the positioning plate 1-4 is fixed on the supporting plate 1-2 in a welding mode and used for positioning the position of the supporting bar 1-3, the supporting bar 1-3 penetrates through the positioning plate 1-4 for positioning and then is fixed on the supporting plate 1-2 in a welding mode, and the inserted bar 1-1 is provided with a lock head 1-5 used for locking the sheet test piece support 2-1 on the annular supporting mechanism 1-1. The lock head 1-5 is composed of a screw nut fastener with a nylon sleeve. The sacrificial anode test piece 1-11 is fixed on the sheet test piece 1-6 through a sacrificial anode bolt gasket 1-13 and a sacrificial anode fixing bolt 1-14, and the contact part of the sacrificial anode fixing bolt 1-14 and the sheet test piece 1-6 is sealed by curing packaging epoxy and a ferrule 1-12. An inner sleeve 1-8-b of an insulating sleeve 1-8 is sleeved on a support rod 1-3, a sheet test piece 1-6, a sacrificial anode/sheet test piece combined test piece 1-7 and an outer sleeve 1-8-a of the insulating sleeve 1-8 are sleeved and fixed on the inner sleeve 1-8-b at intervals and are fixed by a support rod gasket 1-9 and a support rod nut 1-10.
The embodiment is a water environment in-situ exposure test device for a cylindrical pile foundation and a sheet test piece, and the concrete implementation process is as follows:
(1) a sheet test piece 1-6 and a sacrificial anode/sheet test piece 1-7 combined test piece are arranged on a sheet test piece support 2-1, an electric connecting part 3-2 is arranged on the sheet test piece 1-6, and a positioning rope 3-3 is fixed on the sheet test piece support 2-1 through an insulating sleeve 1-8, a support rod gasket 1-9, a support rod nut 1-10, a sacrificial anode test piece 1-11, cured packaging epoxy and a ferrule 1-12, a sacrificial anode bolt gasket 1-13 and a sacrificial anode fixing bolt 1-14, so that a test piece and test piece support assembly is formed.
(2) Two semicircular clamps 5-1 (semi-square clamps 6-1) of the annular supporting mechanism 1-1 provided with the sacrificial anode 3-1 are placed at the designated positions of the cylindrical pile foundation (square cylindrical pile foundation), and then the bolt and nut fasteners 5-6 are screwed and fixed, so that the annular supporting mechanism 1-1 is fixed at the designated positions of the pile foundation.
(3) Inserting the inserted rods 1-1 of the sheet-shaped test piece and the sheet-shaped test piece support assembly into the inserted rings 5-3 of the specified test piece support of the annular supporting mechanism 1-1 in sequence, and then locking the inserted rods 1-1 by using the locking heads 1-5.
(4) Field sampling was performed according to the exposure test period. During sampling, the lock head 1-5 at the position of the insert ring 7 of the specified test piece support is unlocked, the insert rod 1-1 is pulled out, the sheet test piece and the support assembly are taken back, the support rod nut 1-10 is unscrewed, and finally the sheet test piece is taken out in sequence.
Referring to fig. 6, 7 and 8, a block specimen and a block specimen holder are schematically shown. The block-shaped test piece bracket 2-2 comprises a vertical support rod 2-1, an oblique support rod 2-2, a transverse support rod 2-3, an inserted rod 2-4, a test piece basket 2-3, a stop rod 2-11 and the like, and the block-shaped test piece is placed in the test piece basket 2-3. The vertical supporting rod 2-1, the oblique supporting rod 2-2 and the transverse supporting rod 2-3 form a triangular supporting component, an inserting rod 2-4 is arranged at the joint of the vertical supporting rod 2-1 and the transverse supporting rod 2-3, a test piece support inserting ring 9-2 inserted into the strip-shaped supporting mechanism 1-2 can realize the fixation of the blocky test piece support 2-2 on the strip-shaped supporting mechanism 1-2, a stop rod 2-11 is arranged at the joint of the vertical supporting rod 2-1 and the oblique supporting rod 2-2, and the shape of the stop rod 2-11 is fit with the shape of the contact surface of the stop rod. The inserted rod 2-4 is provided with a block-shaped test piece support lock head 2-12 which is used for locking the block-shaped test piece support 2-2 on the strip-shaped supporting mechanism 1-2. The lock heads 2-12 of the block specimen support are formed by screw and nut fasteners with nylon sleeves. The test piece basket 2-3 is fixed on the transverse support rod 2-3. The test piece basket 2-3 comprises a test piece basket body 2-5, a test piece anti-skid gasket strip 2-6, a test piece basket lock 2-7, a test piece basket cover 2-8, a test piece basket hinge rod 2-9 and the like. The test piece basket body 2-5 is a hollow structure.
① the test piece 2-10 is installed on site by inserting the inserted rod 2-4 of the test piece support into the inserted ring 5-3 of the ring support mechanism 5 and locking it with the lock head 2-12, then opening the test piece basket cover 2-8, putting the test piece 2-10 into the test piece basket 2-5, then locking the test piece basket cover 2-8, ② or inserting the inserted rod 2-4 of the test piece and test piece support assembly formed by assembling into the inserted ring 5-3 of the ring support mechanism 5 and locking the assembly with the lock head 2-12 of the test piece support 2.
①, for the block-shaped test piece bracket 2-2, firstly unlocking the test piece basket cover 2-8, taking back the block-shaped test piece 2-10, then unlocking the lock head 2-12 at the test piece bracket insert ring 9-2, pulling out the test piece bracket insert rod 2-4, taking back the test piece bracket 2-2, ② or unlocking the lock head 2-12 at the test piece bracket insert ring, pulling out the test piece bracket insert rod 2-4, and taking back the test piece and bracket combination together.
The above description is given by way of example of the invention, and it is to be understood that any simple variants, modifications or other equivalent substitutions by those skilled in the art without expending any creative effort may fall within the scope of protection of the invention, without departing from the core of the invention.
Claims (9)
1. The utility model provides a cylindricality pile foundation water environment normal position exposes test device which characterized in that: comprises an annular supporting mechanism, a sample bracket and an auxiliary component;
the annular supporting mechanism comprises a hoop and a test piece support insert ring, the hoop is of a symmetrical split structure and is fixedly connected and installed on the outer wall of the cylindrical pile foundation or the square cylindrical pile foundation in a surrounding mode through bolt and nut fasteners, the support insert ring used for installing the test piece support is distributed on the outer side of the hoop, and the annular supporting mechanism is installed in a plurality of groups corresponding to different water environments in the vertical direction of the pile foundation;
the sample support comprises a sheet sample support and a block sample support:
the sheet sample support comprises an inserted bar, a support plate, a support bar and 2 insulating sleeves, the support plate is welded and fixed on the inserted bar, the insulating sleeves are vertically connected on the support plate, and a round hole matched with the outer diameter of each insulating sleeve is formed in each sheet sample and used for mounting the sheet sample on the insulating sleeve; the block-shaped sample support comprises a vertical supporting rod, a transverse supporting rod, an oblique supporting rod, an inserting rod and a sample basket, the transverse supporting rod, the oblique supporting rod and the vertical supporting rod form a triangular supporting member, the inserting rod parallel to the transverse supporting rod is arranged below the transverse supporting rod and on one side, inward, of the vertical supporting rod, the sample basket is fixedly installed above the transverse supporting rod, and the auxiliary component is installed on the supporting mechanism or the sample support; comprising a sacrificial anode, an electrical connection component and a positioning rope.
2. The cylindrical pile foundation water environment in-situ exposure test device of claim 1, which is characterized in that: the clamp divide into 2 kinds of forms according to the shape of pile foundation, installs the clamp on cylindrical pile foundation and be semi-circular clamp, installs the clamp on the square column shape pile foundation and be half square clamp.
3. The cylindrical pile foundation water environment in-situ exposure test device of claim 1, which is characterized in that: be provided with anti-skidding gasket on the contact surface of clamp inboard and pile foundation, anti-skidding gasket is made by rubber or silica gel material.
4. The cylindrical pile foundation water environment in-situ exposure test device of claim 1, which is characterized in that: the support insert ring is square or round.
5. The cylindrical pile foundation water environment in-situ exposure test device of claim 1, which is characterized in that: the bottom of the inserted link is provided with a sheet sample support lock head for locking the sheet sample support on the supporting mechanism; and a blocky sample support lock head is arranged between the inserted rod and the vertical support rod and used for locking the blocky sample support on the support mechanism, and the flaky sample support lock head and the blocky sample support lock head are formed by screw and nut fasteners with nylon sleeves.
6. The cylindrical pile foundation water environment in-situ exposure test device of claim 1, which is characterized in that: the test piece basket comprises a test piece basket body, a test piece anti-slip gasket strip, a test piece basket lock head, a test piece basket cover, a test piece basket hinge rod and the like, wherein the test piece basket cover can be upwards opened along the test piece basket hinge rod, the test piece basket lock head is installed on one side of the test piece basket cover, the test piece anti-slip gasket strip is arranged on the bottom surface inside the test piece basket body, and the test piece basket body is of a hollow structure.
7. The cylindrical pile foundation water environment in-situ exposure test device of claim 1, which is characterized in that: the sacrificial anode is arranged on the supporting mechanism and used for preventing the supporting mechanism from being corroded in a water level fluctuation area, a water area or a mud area.
8. The cylindrical pile foundation water environment in-situ exposure test device of claim 1, which is characterized in that: the electric connecting part is a seawater-resistant cable or a corrosion-resistant conductive metal part, is arranged on a test piece of a specific corrosion zone, and is used for realizing a long test piece penetrating through a marine corrosion zone.
9. The cylindrical pile foundation water environment in-situ exposure test device of claim 1, which is characterized in that: the positioning rope is packaged in an inserted link of the test piece support, is made of seawater-resistant high polymer materials and is used for positioning when a sample is taken in a medium of which the position of the test piece support is difficult to determine.
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| CN201920655267.2U CN210439339U (en) | 2019-05-08 | 2019-05-08 | Cylindrical pile foundation water environment in-situ exposure test device |
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| CN201920655267.2U CN210439339U (en) | 2019-05-08 | 2019-05-08 | Cylindrical pile foundation water environment in-situ exposure test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185067A (en) * | 2019-05-08 | 2019-08-30 | 中交天津港湾工程研究院有限公司 | A kind of cylindricality pile foundation water environment original position exposure test device and its implementation method |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185067A (en) * | 2019-05-08 | 2019-08-30 | 中交天津港湾工程研究院有限公司 | A kind of cylindricality pile foundation water environment original position exposure test device and its implementation method |
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