CN205444173U - Steel reinforcement cage structure and bored concrete pile structure - Google Patents
Steel reinforcement cage structure and bored concrete pile structure Download PDFInfo
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- CN205444173U CN205444173U CN201520991395.6U CN201520991395U CN205444173U CN 205444173 U CN205444173 U CN 205444173U CN 201520991395 U CN201520991395 U CN 201520991395U CN 205444173 U CN205444173 U CN 205444173U
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Abstract
The utility model discloses a steel reinforcement cage structure and bored concrete pile structure. The steel reinforcement cage structure includes main muscle and the stirrup that is used for fixed main muscle, the tip of main muscle forms the muscle head for the free end, the middle part of main muscle is non - free end and forms the muscle body, the cladding of muscle head has the isolation layer. The steel reinforcement cage disposes the cutting parts, the cutting parts are billets, the shape of billet is the triangular prism, the shape of the cross section of billet is isosceles triangle, the prism at isosceles triangle apex angle place becomes the cutting edge, and the billet periphery after buckling has only an arris, and this prism becomes the cutting edge. The bored concrete pile structure, including the steel reinforcement cage of arranging drilling in, the concrete has been filled in the drilling, the structure of steel reinforcement cage is if preceding the structure of steel reinforcement cage. The utility model discloses at the in -process of getting rid of the pile head cap, be difficult to cause the damage of buckling to the muscle head, the harm of main muscle corrosion is avoided to difficult damage pile body cover to reinforcement concrete.
Description
Technical field
This utility model relates to structure and the construction method of a kind of building element, particularly relates to a kind of reinforcement cage structure and filling concrete pilework.
Background technology
In the prior art, in order to improve the pouring quality of cast-in-place concrete pile, the method generally used is to be placed in boring by steel reinforcement cage, described steel reinforcement cage forms by main muscle with for fixing the stirrup of main muscle, by in filling concrete to described boring, the muscle body of described steel reinforcement cage submerges in described concrete, forms pile body after the concrete setting at this, the muscle head of described steel reinforcement cage all submerges in described concrete, forms pile crown cap after the concrete setting at this.In order to be removed by pile crown cap, the most conventional pile crown cap minimizing technology is: is manually aided with small machine and cuts, and is first peeled off from lateral crushing by the pile crown cap concrete on main muscle muscle head, then is cleaned out by pile crown cap broken concrete.Pile crown cap of the prior art cuts method and has the disadvantage that
1, cut pile crown cap and easily muscle head is caused bending damage；
2, easy damaged pile body cover to reinforcement concrete when pile crown cap cuts, weakens the connection between pile foundation and cushion cap；
3, easily cause pile body cover to reinforcement cracking or peel off, burying the harm of main muscle corrosion and be difficult to check and make up；
4, the Stake head handling time is long, causes the foundation pit construction cycle long, and precipitation is with protection, artificial, machinery expenses is high.
Utility model content
First technical problem to be solved in the utility model is to provide a kind of reinforcement cage structure, and the cast-in-place concrete pile irrigated with this reinforcement cage structure, during removing pile crown cap, it is not easy to muscle head causes bending damage.
Second technical problem to be solved in the utility model is to provide a kind of filling concrete pilework, and this filling concrete pilework, during removing pile crown cap, it is not easy to muscle head causes bending damage.
3rd technical problem to be solved in the utility model is to provide the construction method of a kind of cast-in-place concrete pile, and the construction method of this cast-in-place concrete pile, during removing pile crown cap, it is not easy to muscle head causes bending damage.
For the first product, in order to solve above-mentioned first technical problem, reinforcement cage structure of the present utility model, including main muscle with for fixing the stirrup of main muscle, the end of main ribs is that free end forms muscle head, the middle part of main ribs is that non-free end forms muscle body, and described muscle head is coated with sealing coat；Described steel reinforcement cage (1) is configured with cutting part (5)；Described cutting part (5) is steel bar；The shape of described steel bar is triangular prism, and the shape of the cross section of described steel bar is isosceles triangle, and the prismatic at described isosceles triangle drift angle place becomes blade, and the steel bar periphery only one of which rib after bending, this prismatic becomes described blade.
The thickness of described sealing coat is 5mm-15mm.
Described steel reinforcement cage is configured with cutting part.
Described cutting part is steel wire rope, steel chain or steel bar.
Reinforcement cage structure of the present utility model compared with prior art has the advantages that.
1, the technical program is coated with the technological means of sealing coat owing to have employed described muscle head, during concrete perfusion, concrete keeps isolation with muscle head all the time because of the existence of sealing coat, even if concrete the most also will not be bonded on muscle head, so, the cast-in-place concrete pile irrigated with this reinforcement cage structure, during removing pile crown cap, it is not easy to muscle head causes bending damage.
2, the technical program is owing to have employed the technological means that thickness is 5mm-15mm of described sealing coat, so, when pile crown cap is removed, not easy damaged pile body cover to reinforcement concrete, it is ensured that being reliably connected between pile foundation and cushion cap；Do not easily cause pile body cover to reinforcement cracking or peel off, it is to avoid the harm of main muscle corrosion.
3, the technical program is configured with the technological means of cutting part owing to have employed described steel reinforcement cage, so, can rapidly between the concrete and the concrete of pile body of pile crown cap circumferentially cutting open, therefore, the Stake head handling time is short, the foundation pit construction cycle is short, and precipitation is with protection, artificial, machinery expenses is low.
4, the technical program is owing to have employed the technological means that described cutting part is steel wire rope, steel chain or steel bar, so, can use different cutting parts that concrete is carried out ring cutting according to practical situation.
For the second product, in order to solve above-mentioned second technical problem, filling concrete pilework of the present utility model, including the steel reinforcement cage being placed in boring, described boring is perfused with concrete, the muscle body of described steel reinforcement cage submerges in described concrete, pile body is formed after concrete setting at this, the muscle head of described steel reinforcement cage completely or partially submerges in described concrete, pile crown cap is formed after concrete setting at this, the structure of described steel reinforcement cage is the structure of steel reinforcement cage as previously described, the concrete that described muscle is in is directly bonded to this muscle, concrete at described muscle head is kept apart with this muscle head by sealing coat, and be bonded on the outer surface of described sealing coat.
The end face of described pile crown cap or side is pre-buried is equipped with lifting part.
The shape of described lifting part is "U" shaped, or, the shape of described lifting part is the "U" shaped that two ends outwards bend, or, the shape of described lifting part is the "U" shaped of inward at both ends bending.
The other end of described cutting part extends outside this concrete between described pile body and pile crown cap and within described concrete；Or, the two ends of described cutting part extend outside this concrete between described pile body and pile crown cap and within described concrete with closing up.
Filling concrete pilework of the present utility model compared with prior art has the advantages that.
1, the technical program is owing to have employed the structure that the structure of described steel reinforcement cage is steel reinforcement cage noted earlier, the concrete that described muscle is in is directly bonded to this muscle, concrete at described muscle head is kept apart with this muscle head by sealing coat, and it is bonded in the technological means on the outer surface of described sealing coat, during concrete perfusion, concrete keeps isolation with muscle head all the time because of the existence of sealing coat, even if concrete the most also will not be bonded on muscle head, so, this filling concrete pilework, during removing pile crown cap, it is not easy muscle head causes bending damage.
2, the technical program is due to the pre-buried technological means being equipped with lifting part of end face or side that have employed described pile crown cap, so, by lifting part, pile crown cap can be extracted from muscle head vertically, improve the efficiency removing pile crown cap.
3, the technical program is owing to have employed the technological means that the shape of described lifting part is "U" shaped, so, the making of lifting part is the simplest.When the shape using described lifting part is the "U" shaped that two ends outwards bend, or, when the shape of described lifting part is the technological means of the "U" shaped of inward at both ends bending, then it is greatly improved the pre-buried intensity of lifting part.
4, outside the technical program and extends this concrete due to the other end that have employed described cutting part between described pile body and pile crown cap within described concrete；Or, the two ends of described cutting part extend the technological means outside this concrete between described pile body and pile crown cap and within described concrete with closing up, so, can rapidly between the concrete and the concrete of pile body of pile crown cap circumferentially cutting open.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is that steel reinforcement cage of the present utility model is placed in boring the main TV structure schematic diagram irrigating into cast-in-place concrete pile.
Fig. 2 is to have the first in Fig. 1 to cut the attached TV structure schematic diagram every mode.
Fig. 3 is to have the second in Fig. 1 to cut the attached TV structure schematic diagram every mode.
Fig. 4 is the broken section structural representation that in Fig. 2, the first lifting part is positioned at line A-A.
Fig. 5 is the broken section structural representation that in Fig. 2, the second lifting part is positioned at line A-A.
Fig. 6 is the broken section structural representation that in Fig. 2, the third lifting part is positioned at line A-A.
Description of reference numerals is as follows.
1 ~ steel reinforcement cage；
1-1 ~ main muscle；
1-2 ~ stirrup；
1-3 ~ muscle head；
1-4 ~ muscle body；
2 ~ concrete；
2-1 ~ pile crown cap；
2-2 ~ pile body；
3 ~ sealing coat；
4 ~ lifting part；
5 ~ cutting part；
6 ~ sheath；
7 ~ fixed component.
Detailed description of the invention
As shown in Figure 1, present embodiment provides a kind of steel reinforcement cage 1 structure, and including main muscle 1-1 with for fixing the stirrup 1-2 of main muscle 1-1, the end of main ribs 1-1 is that free end forms muscle head 1-3, the middle part of main ribs 1-1 is that non-free end formation muscle body 1-4, described muscle head 1-3 are coated with sealing coat 3.
Present embodiment is coated with the technological means of sealing coat owing to have employed described muscle head, during concrete perfusion, concrete keeps isolation with muscle head all the time because of the existence of sealing coat, even if concrete the most also will not be bonded on muscle head, so, the cast-in-place concrete pile irrigated with this reinforcement cage structure, during removing pile crown cap, it is not easy to muscle head causes bending damage.
The first step as present embodiment is improved, as it is shown in figure 1, the shape linearly type of described muscle head 1-3.
Present embodiment owing to have employed the technological means of the shape linearly type of described muscle head, so, be conducive to extract on pile crown cap head muscle head, be greatly improved the efficiency removing pile crown cap, can make full use of and improve below further.
Second step as present embodiment improves, as it is shown in figure 1, the shape of described sealing coat 3 is tubular.
Present embodiment due to the tubular technological means of the shape that have employed described sealing coat, so, be greatly improved install sealing coat efficiency.
The 3rd step as present embodiment is improved, as it is shown in figure 1, sealing coat 3 one end of described tubular is sealing.
Present embodiment is the technological means sealed owing to have employed sealing coat one end of described tubular, so, the isolation quality of sealing coat can be improved.
The 4th step as present embodiment is improved, as it is shown in figure 1, the thickness of described sealing coat 3 is 5mm-15mm.
Present embodiment owing to have employed the technological means that thickness is 5mm-15mm of described sealing coat, so, when pile crown cap is removed, not easy damaged pile body cover to reinforcement concrete, it is ensured that being reliably connected between pile foundation and cushion cap；Do not easily cause pile body cover to reinforcement cracking or peel off, it is to avoid the harm of main muscle corrosion.
The 5th step as present embodiment is improved, as it is shown in figure 1, the thickness of described sealing coat 3 is 10mm.
Present embodiment owing to have employed the technological means that thickness is 10mm of described sealing coat, so, when pile crown cap is removed, be less susceptible to damage pile body cover to reinforcement concrete, further ensure that being reliably connected between pile foundation and cushion cap；It is less likely to cause pile body cover to reinforcement cracking or peels off, avoiding the harm of main muscle corrosion further, simultaneously, it can be ensured that the pouring quality of cast-in-place concrete pile.
The 6th step as present embodiment is improved, as it is shown in figure 1, described sealing coat 3 is made by hard material.It is of course also possible to be that described sealing coat 3 is made by soft material.
Present embodiment owing to have employed the technological means that described sealing coat is made by hard material or soft material, so, the making raw material of sealing coat can be greatly increased, even, can gather materials on the spot, it is achieved twice laid.
The 7th step as present embodiment is improved, and described hard material includes timber, bamboo material or metal material；Described soft material includes flexible plastic, foam plastics, paper stock or sponge material.
Present embodiment includes timber, bamboo material or metal material owing to have employed described hard material；Described soft material includes the technological means of flexible plastic, foam plastics, paper stock or sponge material, so, multiple sealing coat can be made to adapt to the needs of different muscle head according to practical situation.
The 8th step as present embodiment is improved, as it is shown in figure 1, described sealing coat 3 is fixed on described muscle head 1-3 by fixed component 7.
Present embodiment is fixed on the technological means on described muscle head owing to have employed described sealing coat by fixed component, so, sealing coat can be effectively prevented and come off from muscle head.
The 9th step as present embodiment is improved, as it is shown in figure 1, described fixed component 7 is rope or rubber band.
Present embodiment owing to have employed the technological means that described fixed component is rope or rubber band, so, the cost of manufacture of fixed component can be greatly saved.
The tenth step as present embodiment is improved, and as shown in Figure 1 to Figure 3, described steel reinforcement cage 1 is configured with cutting part 5.
Present embodiment is configured with the technological means of cutting part owing to have employed described steel reinforcement cage, so, can rapidly between the concrete and the concrete of pile body of pile crown cap circumferentially cutting open, therefore, the Stake head handling time is short, and the foundation pit construction cycle is short, and precipitation is with protection, artificial, machinery expenses is low.
The 11st step as present embodiment is improved, and as shown in Figure 1 to Figure 3, described cutting part 5 is steel wire rope.It is of course also possible to be described cutting part 5 be steel chain, it is also possible to be described cutting part 5 be steel bar.
Present embodiment owing to have employed the technological means that described cutting part is steel wire rope, steel chain or steel bar, so, can according to practical situation use different cutting parts concrete is carried out ring cutting.
The 12nd step as present embodiment is improved, as in figure 2 it is shown, the length of described steel wire rope is more than the girth of steel reinforcement cage 1, one end bolt of described steel wire rope is put on a described muscle head 1-3, described steel wire rope along steel reinforcement cage 1 circumferentially around one week, the other end of described rope is provided with the collar.It is of course also possible to be as it is shown on figure 3, the length of described steel wire rope is more than the girth of steel reinforcement cage 1, described steel wire rope along steel reinforcement cage 1 circumferentially around one week, the two ends of described steel wire rope are provided with the collar.
Equally, it is also possible to be the length of described steel chain more than the girth of steel reinforcement cage 1, one end bolt of described steel chain is put on a described muscle head 1-3, described steel chain along steel reinforcement cage 1 circumferentially around one week, the other end of described steel chain is provided with the collar.Can also be the length of described steel chain more than the girth of steel reinforcement cage 1, described steel chain along steel reinforcement cage 1 circumferentially around one week, the two ends of described steel chain are provided with the collar.
It can also be the length girth more than steel reinforcement cage 1 of described steel bar, described steel bar is bent into corresponding annular with steel reinforcement cage 1 cross section, one end of described steel bar bends final and this steel bar middle part overlap joint successively and forms " 9 " font, steel bar after bending surrounds all muscle head 1-3, one end bolt of described steel bar is put on a described muscle head 1-3, and the other end of described steel bar is provided with the collar.It can also be the length girth more than steel reinforcement cage 1 of described steel bar, described steel bar is bent into corresponding annular with steel reinforcement cage 1 cross section, by these two ends bent outward respectively folding 90 degree and making this two parallel juxtapositions in end with the intersection, two ends of described steel bar for flex point, the two ends of described steel bar are provided with the collar.
Present embodiment is owing to have employed the length of the described steel wire rope girth more than steel reinforcement cage, and one end bolt of described steel wire rope is put on a described muscle head, described steel wire rope along steel reinforcement cage circumferentially around one week, the other end of described rope is provided with the collar；Or, the length of described steel wire rope more than the girth of steel reinforcement cage, described steel wire rope along steel reinforcement cage circumferentially around one week, the two ends of described steel wire rope are provided with the collar；
The length of described steel chain is more than the girth of steel reinforcement cage, and one end bolt of described steel chain is put on a described muscle head, described steel chain along steel reinforcement cage circumferentially around one week, the other end of described steel chain is provided with the collar；Or, the length of described steel chain more than the girth of steel reinforcement cage, described steel chain along steel reinforcement cage circumferentially around one week, the two ends of described steel chain are provided with the collar；
The length of described steel bar is more than the girth of steel reinforcement cage, described steel bar is bent into corresponding with steel reinforcement cage cross section annular, one end of described steel bar bends final and this steel bar middle part overlap joint successively and forms " 9 " font, steel bar after bending surrounds all muscle heads, one end bolt of described steel bar is put on a described muscle head, and the other end of described steel bar is provided with the collar；Or, the length of described steel bar is more than the girth of steel reinforcement cage, described steel bar is bent into corresponding with steel reinforcement cage cross section annular, by these two ends bent outward respectively folding 90 degree and this two parallel juxtapositions in end are made with the intersection, two ends of described steel bar for flex point, the two ends of described steel bar are provided with the technological means of the collar, so, can use different cutting modes that concrete is carried out ring cutting according to practical situation.
The 13rd step as present embodiment is improved, as it is shown in figure 1, described steel wire loop is equipped with sheath 6.Equally, described steel chain is equipped with sheath 6.The shape of described steel bar is triangular prism, the shape of the cross section of described steel bar is equilateral triangle, it can also be isosceles triangle, one prismatic of described equilateral triangular prism becomes blade, the prismatic at described isosceles triangle drift angle place becomes blade, steel bar periphery only one of which rib after bending, this prismatic becomes described blade.
Present embodiment is equipped with sheath owing to have employed described steel wire loop；Described steel chain is equipped with the technological means of sheath, so, steel wire rope and steel chain can be reused.When the shape using described steel bar is triangular prism, the shape of the cross section of described steel bar is equilateral triangle or isosceles triangle, one prismatic of described equilateral triangular prism becomes blade, the prismatic at described isosceles triangle drift angle place becomes blade, steel bar periphery only one of which rib after bending, when this prismatic becomes the technological means of described blade, then can ring cutting concrete effortlessly.
The 14th step as present embodiment is improved, and two waists of described isosceles triangle are more than the end of this isosceles triangle.
Present embodiment owing to have employed two waists of described isosceles triangle technological means more than the end of this isosceles triangle, so, can ring cutting concrete more effortlessly.
The 15th step as present embodiment is improved, as it is shown in figure 1, described blade is provided with recess with being distributed, makes blade form multiple spur.
Present embodiment, owing to being provided with recess with have employed the distribution of described blade, makes blade form the technological means of multiple spur, so, not only can ring cutting concrete the most effortlessly, face and, also help bending steel bar.
As shown in Figure 1, a kind of filling concrete pilework that present embodiment provides, including the steel reinforcement cage 1 being placed in boring, described boring is perfused with concrete 2, the muscle body 1-4 of described steel reinforcement cage 1 submerges in described concrete 2, pile body 2-2 is formed after concrete 2 solidification at this, the muscle head 1-3 of described steel reinforcement cage 1 completely or partially submerges in described concrete 2, pile crown cap 2-1 is formed after concrete 2 solidification at this, described muscle head 1-3, the structure of described steel reinforcement cage 1 is the structure of steel reinforcement cage 1 as previously described, concrete 2 at described muscle body 1-4 is directly bonded on this muscle body 1-4, concrete 2 at described muscle head 1-3 is kept apart with this muscle head 1-3 by sealing coat 3, and be bonded on the outer surface of described sealing coat 3.
Present embodiment is owing to have employed the structure that the structure of described steel reinforcement cage is steel reinforcement cage noted earlier, the concrete that described muscle is in is directly bonded to this muscle, concrete at described muscle head is kept apart with this muscle head by sealing coat, and it is bonded in the technological means on the outer surface of described sealing coat, during concrete perfusion, concrete keeps isolation with muscle head all the time because of the existence of sealing coat, even if concrete the most also will not be bonded on muscle head, so, this filling concrete pilework, during removing pile crown cap, it is not easy muscle head causes bending damage.
The first step as present embodiment is improved, as shown in Figure 1 to Figure 3, and the end face of described pile crown cap 2-1 or side is pre-buried is equipped with lifting part 4.
Present embodiment due to the pre-buried technological means being equipped with lifting part of end face or side that have employed described pile crown cap, so, pile crown cap can be extracted from muscle head vertically by lifting part, improve the efficiency removing pile crown cap.
Second step as present embodiment improves, and as shown in Figure 4, the shape of described lifting part 4 is "U" shaped.It is of course also possible to be as it is shown in figure 5, "U" shaped that the shape of described lifting part 4 is two ends outwards to be bent, it is also possible to being as shown in Figure 6, the shape of described lifting part 4 is the "U" shaped of inward at both ends bending.
Preferred as one, as shown in Figures 2 and 3, the quantity of described lifting part 4 has one, and a described lifting part 4 is arranged on the central authorities at described pile crown cap 2-1 top.
Can also be as shown in Figures 2 and 3, the quantity of described lifting part 4 has two, two described lifting part 4 partner lifting part 4, and it is symmetrical that lifting part 4 described in this pair is arranged on described pile crown cap 2-1 top the central point about described pile crown cap 2-1 top.
Can also be as shown in Figures 2 and 3, the quantity of described lifting part 4 has eight, eight described lifting part 4 form four to lifting part 4, and lifting part 4 described in every a pair is arranged on the edge at described pile crown cap 2-1 top and central point about described pile crown cap 2-1 top is symmetrical.The four pairs of lifting part 4 are uniformly distributed along the circumference of pile crown cap 2-1.
Can also be as shown in Figures 2 and 3, the quantity of described lifting part 4 has eight, eight described lifting part 4 form four to lifting part 4, and lifting part 4 described in every a pair is arranged on described pile crown cap 2-1 and is positioned at the side of same level and to be positioned at the central point of this horizontal plane about described pile crown cap 2-1 symmetrical.The four pairs of lifting part 4 are uniformly distributed along the circumference of pile crown cap 2-1.
Present embodiment owing to have employed the technological means that the shape of described lifting part is "U" shaped, so, the making of lifting part is the simplest.When the shape using described lifting part is the "U" shaped that two ends outwards bend, or, when the shape of described lifting part is the technological means of the "U" shaped of inward at both ends bending, then it is greatly improved the pre-buried intensity of lifting part.
Having one owing to have employed the quantity of described lifting part again, a described lifting part is arranged on the central authorities in described pile crown crown portion；
The quantity of described lifting part has even number, lifting part described in even number at least partners lifting part, lifting part described in every a pair is arranged on the edge in described pile crown crown portion and central point about described pile crown crown portion is symmetrical, or, lifting part described in every a pair is arranged on the side that described pile crown cap is positioned at same level the point-symmetric technological means of central authorities being positioned at this horizontal plane about described pile crown cap, so, be conducive to from muscle head, extract pile crown cap vertically.When top or the side using multipair lifting part to be evenly distributed in pile crown cap, then can leave standby lifting part, to guarantee that lifting process is normally carried out.
The 3rd step as present embodiment is improved, as in figure 2 it is shown, the other end of described cutting part 5 extends outside this concrete 2 between described pile body 2-2 and pile crown cap 2-1 and within described concrete 2.It is of course also possible to be as it is shown on figure 3, the two ends of described cutting part 5 extend outside this concrete 2 between described pile body 2-2 and pile crown cap 2-1 and within described concrete 2 with closing up.
Outside present embodiment and extends this concrete due to the other end that have employed described cutting part between described pile body and pile crown cap within described concrete；Or, the two ends of described cutting part extend the technological means outside this concrete between described pile body and pile crown cap and within described concrete with closing up, so, can rapidly between the concrete and the concrete of pile body of pile crown cap circumferentially cutting open.
The 4th step as present embodiment is improved, as it is shown in figure 1, circumferentially cutting is opened between concrete and the concrete of pile body 2-2 of described pile crown cap 2-1.Its incision site determines according to the absolute altitude of pile crown.
Present embodiment circumferentially cuts separate technological means owing to have employed between concrete and the concrete of pile body of described pile crown cap, so, be conducive to from muscle head, extract pile crown cap vertically.
The 5th step as present embodiment is improved, as it is shown in figure 1, described pile crown cap 2-1 whole removing from described muscle head 1-3 is removed, or, described pile crown cap 2-1 is removed from described muscle head 1-3 by broken.
Present embodiment is removed owing to have employed described pile crown cap whole removing from described muscle head, or, described pile crown cap passes through the broken technological means removed from described muscle head, so, can be according to the mode of practical situation selective removal pile crown cap.
The 6th step as present embodiment is improved, as shown in Figure 1, the shape of pile crown cap 2-1 after described whole removing is removed is cellular, has the material of sealing coat 3 in the hole in cellular described pile crown cap 2-1, broken after described pile crown cap 2-1 quarrel soil in have the material of sealing coat 3.
Present embodiment is cellular owing to have employed the shape of the pile crown cap after described whole removing is removed, hole in cellular described pile crown cap has the material of sealing coat, the quarrel soil of the described pile crown cap after Po Sui has the technological means of the material of sealing coat, so, can judge whether made cast-in-place concrete pile knot is filling concrete pilework of the present utility model by the state of pile crown cap.
As shown in Figure 1, the construction method of a kind of cast-in-place concrete pile that present embodiment provides, include the operation in the operation before perfusion, perfusion, the operation after perfusion successively, operation before described perfusion includes the step that excavation is holed, the step being placed in boring by steel reinforcement cage 1, and the structure of described steel reinforcement cage 1 is the structure of steel reinforcement cage 1 as previously described.
Present embodiment is owing to have employed the technological means that the structure of described steel reinforcement cage is the structure of steel reinforcement cage as previously described, during concrete perfusion, concrete keeps isolation with muscle head all the time because of the existence of sealing coat, even if concrete the most also will not be bonded on muscle head, so, the construction method of this cast-in-place concrete pile, during removing pile crown cap, it is not easy to muscle head causes bending damage.
The first step as present embodiment is improved, as it is shown in figure 1, the operation in described perfusion includes concrete 2 is filled into the step in described boring, the filling concrete pilework that this step irrigates is filling concrete pilework as elucidated before.
Present embodiment includes the step in filling concrete to described boring owing to have employed the operation in described perfusion, the filling concrete pilework that this step irrigates is the technological means of filling concrete pilework as elucidated before, so, the construction method of this cast-in-place concrete pile, during removing pile crown cap, it is not easy to muscle head is caused bending damage.
Second step as present embodiment improves, as shown in Figure 1, operation after described perfusion includes the step of excavation pit successively, removes the step of described pile crown cap 2-1, after step by described removal described pile crown cap 2-1, described filling concrete pilework forms foregoing filling concrete pilework.
Present embodiment includes the step of excavation pit successively due to the operation after have employed described perfusion, removes the step of described pile crown cap, after step by described removal described pile crown cap, described filling concrete pilework forms the technological means of filling concrete pilework as elucidated before, so, be conducive to from muscle head, extract pile crown cap vertically.
The 3rd step as present embodiment is improved, as it is shown in figure 1, the step of described removal pile crown cap 2-1 is to use small machine to cut pile crown cap 2-1.Certainly, can also be, the step of described removal pile crown cap 2-1 is first with abrasive machine circumferentially ring cutting between described pile crown cap 2-1 and described pile body 2-2, again along ring cutting position, symmetrical horizontal inserted to play gad block, make pile crown separate with pile body, finally, utilize loop wheel machine vertically to sling by lifting part 4 entirety and remove pile crown cap 2-1.The step that can also is that described removal pile crown cap 2-1 is to first pass through excavator to draw the other end or the two ends hanging cutting part 5, make cutting part 5 to circumferentially ring cutting between described pile crown cap 2-1 and described pile body 2-2, again along ring cutting position, symmetrical horizontal inserted to play gad block, pile crown is made to separate with pile body, finally, utilize loop wheel machine vertically to sling by lifting part 4 entirety and remove pile crown cap 2-1.
Present embodiment is to use small machine to cut pile crown cap owing to have employed the step of described removal pile crown cap；Or, the step of described removal pile crown cap is first with abrasive machine circumferentially ring cutting between described pile crown cap and described pile body, then along ring cutting position, symmetrical horizontal inserted to play gad block, make pile crown separate with pile body, finally, utilize loop wheel machine vertically to sling by lifting part entirety and remove pile crown cap；Or, the step of described removal pile crown cap is to first pass through excavator to draw the other end or the two ends hanging cutting part, make cutting part to circumferentially ring cutting between described pile crown cap and described pile body, again along ring cutting position, symmetrical horizontal inserted to play gad block, make pile crown separate with pile body, finally, utilize loop wheel machine vertically to sling by lifting part entirety and remove the technological means of pile crown cap, so, by multiple means, pile crown cap can be removed from muscle head.Obviously, the step first kind of way removing pile crown cap is worst.The step second way removing pile crown cap is imitated.The third mode of step removing pile crown cap is best.
Claims (6)
1. steel reinforcement cage (1) structure, including main muscle (1-1) be used for fixing the stirrup (1-2) of main muscle (1-1), the end of main ribs (1-1) is that free end forms muscle head (1-3), the middle part of main ribs (1-1) is that non-free end forms muscle body (1-4), it is characterised in that: described muscle head (1-3) is coated with sealing coat (3)；
Described steel reinforcement cage (1) is configured with cutting part (5)；
Described cutting part (5) is steel bar；
The shape of described steel bar is triangular prism, and the shape of the cross section of described steel bar is isosceles triangle, and the prismatic at described isosceles triangle drift angle place becomes blade, and the steel bar periphery only one of which rib after bending, this prismatic becomes described blade.
Steel reinforcement cage the most according to claim 1 (1) structure, it is characterised in that: the thickness of described sealing coat (3) is 5mm-15mm.
null3. a filling concrete pilework，Including the steel reinforcement cage (1) being placed in boring，Described boring is perfused with concrete (2)，The muscle body (1-4) of described steel reinforcement cage (1) submerges in described concrete (2)，Pile body (2-2) is formed after concrete (2) solidification at this，The muscle head (1-3) of described steel reinforcement cage (1) completely or partially submerges in described concrete (2)，Pile crown cap (2-1) is formed after concrete (2) solidification at this，It is characterized in that: the structure of described steel reinforcement cage (1) is the structure of steel reinforcement cage (1) as described in one of claim 1 to 2，The concrete (2) at described muscle body (1-4) place is directly bonded on this muscle body (1-4)，The concrete (2) at described muscle head (1-3) place is kept apart with this muscle head (1-3) by sealing coat (3)，And be bonded on the outer surface of described sealing coat (3).
Filling concrete pilework the most according to claim 3, it is characterised in that: the end face of described pile crown cap (2-1) or side is pre-buried is equipped with lifting part (4).
Filling concrete pilework the most according to claim 4, it is characterized in that: the shape of described lifting part (4) is "U" shaped, or, the shape of described lifting part (4) is the "U" shaped that two ends outwards bend, or, the shape of described lifting part (4) is the "U" shaped of inward at both ends bending.
Filling concrete pilework the most according to claim 5, it is characterised in that: the other end of described cutting part (5) is positioned between described pile body (2-2) and pile crown cap (2-1) and extends outside this concrete (2) within described concrete (2)；Or, the two ends of described cutting part (5) are positioned between described pile body (2-2) and pile crown cap (2-1) and extend outside this concrete (2) within described concrete (2) with closing up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520991395.6U CN205444173U (en) | 2015-12-04 | 2015-12-04 | Steel reinforcement cage structure and bored concrete pile structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520991395.6U CN205444173U (en) | 2015-12-04 | 2015-12-04 | Steel reinforcement cage structure and bored concrete pile structure |
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| Publication Number | Publication Date |
|---|---|
| CN205444173U true CN205444173U (en) | 2016-08-10 |
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|---|---|---|---|
| CN201520991395.6U Expired - Fee Related CN205444173U (en) | 2015-12-04 | 2015-12-04 | Steel reinforcement cage structure and bored concrete pile structure |
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| Country | Link |
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| CN (1) | CN205444173U (en) |
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- 2015-12-04 CN CN201520991395.6U patent/CN205444173U/en not_active Expired - Fee Related
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Granted publication date: 20160810 Termination date: 20211204 |