CN85102859A - Concrete structure - Google Patents

Abstract

A kind ofly be used for the marine concrete ballast base of constructing pier, this base is made of the space truss body of the rod member that connects at the node place basically, the some of them node is crossed rod member and the selectively prestressed cable connection of the some intermediate nodes of process in the outside, this cable wire produces space prestressed to truss integral ground, this base further comprises the side that makes truss and the device of bottom surface watertight.

Description

Concrete structure

The present invention relates to concrete structure.

An object of the present invention is to provide a kind of marine concrete structure of constructing the ballast base of pier that is suitable for constituting.

Another object of the present invention provides a kind of concrete structure that is suitable for constituting the load-bearing space truss.

The known marine ballast base of constructing pier is to be made of some three-dimensional concrete walls, because their enough fastening very high pressure that can bear ice, these ballast bases are applicable to cold marine site, but that its shortcoming is a weight is very heavy.The someone attempts alleviating its weight with light weight concrete construction, but this scheme spends greatly and be very not satisfactory.

The embodiment that the present invention recommends provides a kind of base, and this base can be made and had high strength by ordinary concrete, yet its weight but is suitable.

Base of the present invention is that the rigidity space truss body by concrete rod constitutes basically, these rod members are pooled on the concrete node, the some of them node is connected by the cable wire of crossing the rod member outside, cable wire also can be crossed some intermediate nodes, these cable wires that provide the space to give stress to truss are connected into an integral body, and this base also contains the side that makes truss and the device of bottom waterproof.

The notion of concrete space truss is known, but this so far truss also is not applied to above-mentioned special dimension, is simultaneously to combine as a wholely with the stress cable wire that gives of truss, and combines with waterproof sidewall and waterproof bottom.

And then, also do not have so far a kind of known industrial technology can make concrete truss make under the given condition, one of purpose of the present invention also provides a kind of like this technology, not only applies it in the manufacturing of pier base but also is applied on other any structure.

According to the present invention, this truss is to be constituted by the plurality of sections piece that mold gives system, each section piece comprise a node and from node each to armed lever of the plural number that stretches out, each armed lever has a pod longitudinally at least at its free end, armed lever is in line in pairs to aim at and connects the rod member that constitutes truss, insert a common metal reinforcing part in the pod of a pair of coupled armed lever, land between the coupled armed lever is encased by a seal sleeve, insert the sclerosis mortar in the said pod, this truss is by giving the tension of stress cable wire, and this cable wire is crossed the outside of truss member and is fixed on the node of same truss.

Illustrate embodiments of the invention with reference to the accompanying drawings, wherein:

Fig. 1 is the half-section on according to the vertical intercepting of a pier base of the present invention;

Fig. 2 is the horizontal section of Different Plane intercepting on base;

Fig. 3 is the phantom drawing that is used for a section block element of base truss;

Fig. 4 represents how two parts of a rod member connect to constitute truss member;

Fig. 5 represents the bottom ridges cone of base;

Fig. 6 represents a part of lateral surfaces of base;

Fig. 7 is the phantom drawing of the base part of giving system section piece and being made by this section piece of another embodiment;

Fig. 8 is the phantom drawing according to the system of the giving section piece of another embodiment of the present invention;

Fig. 9 is according to the phantom drawing of the base part of a modification of the present invention, has represented a part of external surface on it;

What Figure 10 represented base gives the stress rete cord.

Pier base illustrated in figures 1 and 2 is the hexagonal base of 72 meters of every length of sides.This base is made of truss, has the device that makes truss transverse side and bottom watertight on it.According to the present invention, this truss is to be made of the concrete rod that is pooled on the concrete node.The side of truss and bottom have interlayer makes its watertight.

In the embodiment of a recommendation, truss is positive 4 body assemblies, and its node is made of top, tetrahedral angle and rod member is to be provided with along tetrahedral each limit.

On this tetrahedron assembly some inclined-planes are arranged, rod member forms equilateral triangle thereon and inlays, and also has some inclined-planes, and rod member forms square or square mosaic thereon.Also have some horizontal planes on the tetrahedron, rod member forms equilateral triangle thereon and inlays.

Shown in the scheme, the rod member of truss forms square in 50 ° to 60 ° the plane of tilting, form equilateral triangle in 65 ° to 75 ° the plane of tilting, and forms equilateral triangle on horizontal plane.

Preferably, the side of truss comprises that some rod members form the plane of equilateral or isosceles triangle thereon, and the plane that these planes and those rod members form positive direction or rectangle thereon alternately changes.

The plane of Fig. 1 middle section is a vertical plane, and shown in the figure is half of this cutting plane.

Fig. 2 represents the horizontal section of plural number.Therefore Fig. 2 is divided into six parts, and each part representative is in a segment of the horizontal section of differing heights.For example, reference number 1,2,3,4,5 and 6 represents approximately to be positioned at each cross section at 0 meter, 5 meters, 10 meters, 15 meters, 20 meters and 25 meters separately.Represent in the drawings in the cross section segment of 0 meter height, can see that the truss bottom surface is to be inlayed by equilateral triangle A, B, C to constitute, leg-of-mutton limit is that the bridge by truss constitutes and its summit is to be made of the truss node.

A part that relates to the segment of about+5 meters height among the figure has drawn hacures and has been illustrated in the following side surface portion that extends of this cutting plane.Similarly hacures can also expression approximately+find in the segment of 10 meters and+25 meters.

The cross section of Fig. 1 is an A-A planar interception from Fig. 2.

This truss can be with any suitable method manufacturing, but preferably uses following method.

According to technology of the present invention, the section piece squeezes in the mould of sealing casts shape, a section piece comprise a center node and from it to each to the armed lever that stretches out.This node will become one of node on the truss, and each armed lever will constitute the part of truss bridge.

Be arranged to end face facing to end face from the armed lever that a section piece stretches out with an armed lever that stretches out from another section piece, thereby the so paired connection of armed lever has constituted a rod member of truss.Said truss just in this way one section one section ground make.In the embodiment of a recommendation, at first make a part of truss bottom surface, is that next section is more top then, proceeds like this up to summit portion, and at the active section that assembling is carried out, the section block positioning device of operation just runs to this in advance on the ground.Each face connects one section ground with regard to one section like this and makes.

The section piece gives system in the workshop as can be seen, to marine ballast pier, does very favourable like this.And common this pier must be made in dry dock.

The present invention must not carry out most of work at dry dock, and the practical set of the section of having only piece need be finished at dry dock.

Any suitable method all can be used to connect two armed levers, and the system of preferably armed lever being given forms, and has the pod of opening on its end face, and when the armed lever end face was placed end face, the end face of these band pods coincide mutually.Each pod is provided with a passage and mortar can be injected wherein or makes air from this discharge in addition.In order to connect, common other part of strengthening is put into two pods, the seal sleeve of connection placed around between two armed levers, and mortar is injected in two pods and solidifies therein.

The most handy heat-shrinkage material manufacturing of above-mentioned sleeve.

Can observe, the mortar that charges into pod constitutes a thick or thin packing course between the armed lever end face.By injecting mortar the end face of armed lever is removed thus, as jack, the position that be added to each new node that structure gets on just can accurately be adjusted, and mortar just solidifies bed course J who has desired thickness just of formation then.So just can guarantee easily that each node is located exactly in assembling, and this has constituted a significant advantage of method of the present invention.

Fig. 4 is used for explaining the connection technique of aforesaid two armed levers.Among this figure two armed levers be expressed as 14 and 14 ', corresponding ode table is shown 15 and 15 ', corresponding pod is expressed as 16 and 16 ', its channel table is shown 17 and 17 ", the 18th, sleeve, the 19th, strengthen other part.

In an exemplary, this armed lever is the bar with right angle cross section, and this cross section can be 20 centimetres to 100 centimetres inscribed with diameter, and above-mentioned rod member is 2 meters long to 10 meters.This bar preferably has the circle cross-section of diameter between 30 centimetres to 80 centimetres, and rod member preferably connects with the mortar that can bear high pressure, and this pressure clings to 1000 crust up to 600.

Preferably each root armed lever constitutes rod member half.

The selection of this recommendation is not substantial, and armed lever can constitute in the embodiment of modification except that the size half rod member.Yet above-mentioned armed lever is made half rod member size is the structure of rationalizing in order to produce highly.

And then two armed levers can also be by the part connection in addition of a centre except that direct connection.For example,, each armed lever just can pass through the part connection in addition of a centre, 1/3rd of this middle formation of part in addition rod member middle part if constituting 1/3rd, two rod members of rod member.

All truss all is provided by the cable wire tension that provides the space to give stress.The termination of cable wire is fixed on the node of this truss.

In an exemplary embodiments, a given cable wire is repeatedly crossed truss member, and it is to cross these rod members orthogonally in the centre substantially, and it also crosses the truss node that intersperses therebetween.

Fig. 3 is the phantom drawing of single section piece providing for example, and this section piece constitutes 1,12 armed lever of node (2-13), and each is to stretching out from it, and every armed lever will constitute half root truss member.

Like this, 8 armed lever section pieces are just arranged in the truss of Fig. 1 and Fig. 2,9 armed lever section pieces and 12 armed lever section pieces.

Naturally understand easily, those are positioned at the truss outerplanar and promptly constitute the truss bottom surface, and the section piece of side and end face has less armed lever.

This base also has the bottom and the surface of watertight in addition.

This watertight bottom is preferably inlayed by pyramid and is constituted, and this just makes this bottom according in the required subsoil that penetrates below the pier final position.

Fig. 5 is the phantom drawing of the pyramidal elements in one of truss tetrahedron.

Pyramid and tetrahedron have a common basal plane DEF, but top, tetrahedral angle G is on the H of the top, angle of pyramid.Make this pyramid, can make the part and corresponding truss node die casting integrally of every of pyramid easily.For example, half of face DHE should with node D die casting, and second half should be in node E die casting.

With any suitable technology two halves is connected then, for example adopt two armed lever terminations of similar connection to make the technology that forms rod member.

The pyramid of base bottom when constituting the truss bottom surface, also just has been installed node thus.

The preferably undulatory concrete surface of susceptor surface.Make this surface (see figure 6), can give easily making and comprise two mutually at angle planar wall P ₁And P ₂The elongate concrete frid, then these frids are fixed on the outside rod member of truss to constitute the surface.The rod member in the truss outside preferably constitutes upwardly extending rectangle along the truss outside.Planar wall P ₁And P ₂Mode with watertight is fixed on the long side rod spare b of rectangle, and so connects to another frid from a frid.

Fig. 7 represents variant embodiment of the present invention to Figure 10.

Among Fig. 7, die casting section piece is by a central spherical node 15 and each constitutes to the cylinder armed lever 14 that stretches out from it.Some truss that assembles on the left side of section piece, this truss are to be made by similar section piece, can see sleeve 18 at the paired terminal opposite position of section piece armed lever, and these armed levers are to constituting the rod member of truss.

Fig. 8 is the phantom drawing of another truss section piece modification.

Fig. 9 is the phantom drawing of a part of truss, and the truss member in the plane under the surface is to arrange that along the limit of square Q or triangle T triangle also can be changed into trapezoidal.These arrange the restriction that is not subjected to given example.Fig. 9 has also represented one section side surface.In this example, this side surface is to be made by the plurality of sections surface, the tetrahedral consistent size of this surface and truss and fixed thereon, and each several part that should the surface is linked together one by one with mortar or additional concrete.

Figure 10 is two simplified schematic diagram of giving stress cable wire 20,21 of expression.Cable wire 20 is straight lines, and its end is fixed on two nodes 22,23 of two truss.

This cable wire is crossed some truss members, such as rod member 24 and 25, still remains on the outside of these rod members.Two ends that give stress cable wire 21 also are fixed on truss node 26 and 27, but this cable wire is not a straight line, and it is changed direction by some node of truss, such as node 28 and 29.Node 28 has a groove 30, and node 29 has a through hole 31 in order to change the direction of cable wire 21.Only represented the part armed lever on the node in the drawings.

The invention is not restricted to the geometric figure of a concrete rod member, but the rod member of truss side is provided with along the limit of equilateral or isosceles triangle preferably, and/or be provided with along rectangle or foursquare limit.These sides are relative vertical line plane inclined, as the embodiment that provides; In some other embodiment, this side is vertical.

Watertight can be made by any method in the wall of truss and bottom, but the acquisition of watertightness is preferably by plural concrete wall, this wall is sealingly secured to or whole being fabricated onto on the truss member that is positioned at truss side and bottom surface, the concrete wall that make truss side watertight are preferably according to the bellows-shaped setting, so just can reduce the influence of temperature difference between the underwater portion and above water on this side.This temperature difference marinely has 50 ℃ or bigger at ice, if sidewall is the plane, this temperature difference can cause the swelling stress that oppose side wall is harmful.

Claims (9)

1, a kind ofly is used for the marine concrete ballast base of constructing pier, this base is made of the space truss body of the rod member that connects at the node place basically, the some of them node is crossed rod member and is also selectively connected through the stress cable wire that gives of some intermediate nodes in the outside, this cable wire produces the space to truss integral ground and gives stress, and this base further comprises the side that makes truss and the device of bottom surface watertight.

2, a kind of according to claim 1 described base, wherein the rod member of truss is to be provided with along tetrahedral each the bar limit of rule.

3, a kind of wherein the side of this truss is to be made of the plane according to claim 2 described bases, and truss member on the plane constitutes equilateral triangle, isosceles triangle, square or rectangle.

It is 4, a kind of that the device that wherein makes truss side watertight is some next doors according to claim 1 or 2 described bases, this next door be sealingly secured to or whole some rod members that are fabricated onto truss on and according to the bellows-shaped setting.

5, a kind of according to claim 4 described bases, wherein said next door on side of truss is some to mutual next door, plane at angle, and limits a rectangle basal plane, and the rod member of this rectangle and said truss side matches.

6, a kind of according to claim 1 described base, wherein the bottom of truss is to make watertight with inlaying of hollow pyramids body.

7, a kind of wherein said pyramid has the triangle basal plane according to claim 6 described bases, and top, leg-of-mutton angle is to be made of the truss node.

8, a kind of according to claim 1 or 2 described bases, wherein said cable wire comprise straight line cable wire.

9, a kind of according to claim 1 or 2 described bases, wherein said cable wires are changed direction by some nodes of truss.

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