EP3411544B1 - Fosse d'entretien et procédé d'assemblage et d'installation de la fosse d'entretien - Google Patents

Fosse d'entretien et procédé d'assemblage et d'installation de la fosse d'entretien Download PDF

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Publication number
EP3411544B1
EP3411544B1 EP17747864.1A EP17747864A EP3411544B1 EP 3411544 B1 EP3411544 B1 EP 3411544B1 EP 17747864 A EP17747864 A EP 17747864A EP 3411544 B1 EP3411544 B1 EP 3411544B1
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Prior art keywords
service pit
rib
pit
walls
rib plates
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EP17747864.1A
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German (de)
English (en)
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EP3411544A4 (fr
EP3411544A1 (fr
Inventor
Kennet Andersson
Jan ELGEMARK
Lars Rosenquist
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Bill Andersson Fordonslyftar AB
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Bill Andersson Fordonslyftar AB
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Priority to PL17747864T priority Critical patent/PL3411544T3/pl
Publication of EP3411544A1 publication Critical patent/EP3411544A1/fr
Publication of EP3411544A4 publication Critical patent/EP3411544A4/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
    • E04H5/06—Pits or building structures for inspection or services

Definitions

  • the present invention relates to a service pit to be installed on a foundation and comprising a module, which have a metal support frame, e.g. steel, and have at least two longitudinal side walls and a bottom, where at least the side walls exhibiting an inner wall and an outer wall arranged at a distance from each other, said side walls, bottom and foundation bounding a hollow space.
  • the invention also relates to a method for assembling the service pit according to the invention, and further it relates to a method for installing the service pit on a foundation in a space in the ground.
  • Service pits of the above mentioned kind are known from e.g. DE4324339 and DE4345415 , and are used in e.g. workshops for installation or maintenance of motor vehicles, hence the staff in a comfortable upright position may work under the vehicle.
  • a settable material such as concrete and/or an isolating foam.
  • the known pits are made of relatively thick steel plates and having a relatively large distance of about 200 mm between their side walls.
  • the known pits suffer from the disadvantage that a large amount of steel and also fill material have to be used to obtain the required strength.
  • DE 20201310277 U1 there is known a special kind of service pit, i.e. to be installed hanging onto supporting walls instead of being installed on a foundation. Also a design as shown in DE 20201310277 U1 suffers from basically the same disadvantages as mentioned above, despite the fact that transversally extending, supporting T-beams are used to span the hollow space between the side walls and bottom walls.
  • the outer wall of the pit extends all the way down to the foundation. Accordingly, the fill material will be filled into the hollow space bounded by the outer side walls, the inner side walls, the bottom and the foundation, implying difficulties in detecting desired filling in all parts of the hollow space, especially if the filling is performed in one step via an upper gap between said side walls, as described in the above cited prior art. Hence, there is a risk of air being trapped in the hollow space, especially in the bottom region, thus resulting in a weakened construction.
  • DE-G-9320679 which is a branch off from DE4324339 , it is suggested to provide a longitudinally angled bottom section to minimize air trap risk, which however results in a complex structure leading to extra cost. Moreover, according to prior art methods it may be complicated to install supply channels, etc. (e.g. for ventilation, compressed air, electricity).
  • a service pit according to the claims.
  • at least the inner and outer walls may be made with a smaller thickness, hence reducing the amount of steel used.
  • the thus reinforced service pit may be manufactured with less distance between the inner and the outer wall of the side walls, thereby reducing the required amount of fill material to be used.
  • the ribs are made of plate material, preferably the same kind of metal plate as the inner and outer walls, e.g. 3 mm steel plate.
  • the rib plates extend essentially perpendicular to the plane of the side walls extend over the whole hollow space and have the form of an U like the rib plates in a double-hulled vessel.
  • the rib plates are preferably provided with engagement means for cooperation with corresponding means provided in the inner walls.
  • said engagement means on the rib plates comprise protruding fitting members adapted to exactly fit in to corresponding recesses in the inner walls.
  • the fitting members and recesses are preferably produced by the use of laser cutting, as well as the contours of the rib plates .
  • the lower corners of the side walls may be provided at an obtuse angle relative to vertical, preferably about 45°.
  • the service pit may be provided with a horizontal longitudinal beam arrangement in the hollow space of the lower corner region. This facilitates a strong construction and enables a reduced width inside of the bottom part, which enables arranging path way for lifting devices in the pit that is only 1300 mm. In many pits there is a need of using 1500 mm, which requires more costly equipment.
  • the service pit is assembled by a method comprising the steps as defined in claim 11.
  • the inner walls may be attached to the rib plates in any suitable manner, however it is preferred that the inner walls are attached to the rib plates by bringing engagement means on the rib plates in engagement with corresponding means provided in the inner walls. In a preferred embodiment protruding fitting members on the rib plates are introduced into corresponding recesses in the inner walls.
  • the service pit is installed by a method comprising the steps as defined in claim 14.
  • the service pit according to the invention may be pre-produced or it may be assembled on site.
  • Fig. 1 a perspective view of a service pit 1 according to one embodiment of the invention.
  • the service pit 1 comprises several modules 3, each having two longitudinal side walls 5, 6 and a bottom 7.
  • Each module 3, has a longitudinal length M of about 1800 - 3200 mm, more preferred 2400 mm.
  • the reason why it is preferred to use modular lengths as mentioned above, is that it is preferred to use modules that are multiples of the basic building module measurement 600 mm and that it from the perspective of other aspects with this kind of construction project is an advantage to use four times the basic modularity due to the fact that it will fit well into most existing production lines for producing the metal plates forming the inner 9 and outer 8 walls of the pit 1.
  • each side wall 5, 6 comprise of an inner wall 8 and an outer wall 9 arranged at a distance from each other, thus bounding a space 10 them between.
  • Fig. 2 shows a cross section of the service pit shown in Fig. 1 , further comprises a number of rib plates 11 (see Fig 3 ) being arranged transversally in the space 10 and securely attached to at least the inner and outer walls 8, 9.
  • the rib plates 11 are made of the same kind of metal plate as the inner walls 8, preferably 2-6 mm steel plate (most preferred 2-4 mm) and extend perpendicular to the plane of the side walls over the whole space 10, thus exhibiting the form of an U.
  • the width (in the longitudinal direction of the service pit 1) of a rib plate 11 substantially equals to the material thickness of a rib plate 11.
  • the distance between the rib plates is preferably the basic building module measurement, i.e. 600 mm.
  • Preferably the lower edge of such support ribs is positioned above the floor plate 72.
  • the applied amount of steel may be reduced, because the inner and the outer wall of the side walls 8, 9 may be made with a smaller thickness than conventionally used, e.g. steel plate of about 3 mm thickness.
  • the thus reinforced service pit may be manufactured with less distance, preferably about 80 - 120 mm, between the inner 8 and the outer wall 9 of the side walls 5, 6 thereby reducing the required amount of fill material to be used.
  • the outer rib 11a is somewhat larger than the other, intermediate rib plates 11.
  • U-beams 51 At the top of the pit 1 there are arranged two parallel U-beams 51, which preferably span the whole length of the pit 1. Supporting distance members 50 extend transversally between the two beams 51, as also lifting members 52.
  • the lower outer corners 18 between the side walls 5, 6 and the lower edge of the rib plates 11 are provided at a first obtuse angle ⁇ relative to vertical, preferably about 110-135°, thus making the construction stronger.
  • the upper edge 71 of the rib plates 11 are also provided at an obtuse angle ⁇ relative to vertical, which may be less obtuse than the first angle ⁇ , to have the floor plates 70 inclined at an angle ⁇ relative to vertical, preferably about 95-105°, to allow liquid to collect in a preformed channel 74 in the floor plate 70, i.e. in the middle of the pit.
  • the shown service pit 1 is also provided with a horizontal longitudinal beam arrangement 19 in the lower corner region 18, which further contributes to a strong construction and enables a reduced width PW inside of the bottom part. It enables arranging a path way for lifting devices of reduced span width in the pit, e.g. that is only 1300 mm. In many pits there is a need of using 1500 mm, which requires more costly equipment.
  • the service pit 1 is further shown to comprise a stairway 12, which is positioned at an end wall 15 of the service pit 1.
  • Fig. 3 shows one rib half 11' of an U-shaped rib plate 11 according to the preferred embodiment of the invention, e.g. to provide for more easy transportation.
  • each rib half 11' is provided with protruding fitting members 13, preferably at least two fitting members 13 along the inner edge 61.
  • These fitting members 13 preferably protrude about the same distance as the thickness of the wall 8 to be fitted there.
  • the rib plates 11 are provided with holes 14, so that the amount of steel is reduced without appreciably compromising the strength of the construction.
  • each rib half 11' is arranged with a recess 72 forming one half of the space for mounting of the preformed channel 74 in the floor plate 70.
  • the width of the recess 72 is preferably many times smaller than the width W of a rib half 11'.
  • Preferred measures of a rib half 11 is a height H of about 1700 - 2000 mm, a width W of about 800 - 900 mm, i.e. wherein the width W is about 40-60 % of its height H.
  • the portion of the rib half 11 spanning the major portion of the space between the walls 8, 9, which also is the most thin part of the rib half 11, has a transversal width T that is about 80 - 120 mm.
  • FIG. 3 indicates that at the outer periphery of the rib 11 there is arranged a flange, preferably by bending the edge of the plate, which flange 60 (e.g. 20-30 mm wide) is used for attachment of the outer plates 9 to the rib plates 11.
  • a flange preferably by bending the edge of the plate, which flange 60 (e.g. 20-30 mm wide) is used for attachment of the outer plates 9 to the rib plates 11.
  • this is achieved by using screws, more preferably self-threading kind, e.g. having premade holes in the flange 60 of about 5-6 mm and appropriate corresponding screws adapted to that hole size. Thanks to the use of screws an efficient manufacturing is achieved that also eliminates possible difficulties related to welding, e.g. facilitates the use of less corrosive metal plates (e.g. galvanized) that are more difficult to weld.
  • the inner plates 8 are made of conventional (black) steel plates that are relatively cheap and easy to weld, whereas on
  • FIG. 4 is shown is a perspective view of an preferred embodiment of an inner wall plate 8', which is provided with recesses 16 adapted to exactly accommodate the protruding fitting members 13 on the rib plates 11, wherein preferably each inner wall plate 8' is arranged with a plurality of parallelly arranged rows of recesses 16, to enable fitting of a plurality of parallelly arranged rib plates 11.
  • each inner wall plate 8' is arranged with a plurality of parallelly arranged rows of recesses 16, to enable fitting of a plurality of parallelly arranged rib plates 11.
  • the fitting members 13 and recesses 16 are preferably produced by the use of laser cutting.
  • the rib plates 11 may similarly be attached to the outer walls 9.
  • Fig. 5 there is shown one piece of the beam arrangement 19 used in the corner area 18 of the service pit 1.
  • the beam 19 preferably has a length 1 that is larger than the modular width M, i.e. a width that is larger than 2,4 m, preferably a width that can span at least two modules, e.g. between 5-10 m.
  • a floor plate 70 having a central channel 74.
  • the length of the floor plate is preferably the same as the length M of a module, e.g. 2400 mm.
  • an L-bend 72 adjacent the longitudinal outer sides of the floor plate 70, which L-bends 72 are used to sealingly join the floor plate 70 with the lower edge of the inner side wall 8, preferably by the use of welding.
  • the bottom of the channel 74 is arranged to create runoff for liquid, to lead collected liquid to a drainage (not shown).
  • the depth of the channel 74 varies in the longitudinal direction, which in turn results in the need of floor plates having a proportionally varied original/nominal width.
  • the nominal width before bending it varies giving it a triangular form, which is being bent to the desired form having the edges 72 in parallel and a channel 74 with varying depth.
  • the upper U-shaped supporting beams 51 will be positioned on to the floor and are accurately positioned in relation to each other by means of transversal support and distance members 50 (see Fig. 1 ). Some of the distance elements 52 are specifically designed to be used for lifting and moving of the pit 1.
  • a jig (not shown) is positioned on to the support beams 51.
  • the inner walls 8 will be correctly positioned by means of the jig (n.b., the pit 1 will be upside down during the prefabrication thereof).
  • the beam arrangement 19 is welded on to the inner plates 8 and thereafter also the floor plates 70.
  • the rib plates 11 will be attached to the pit 1, by means of lifting each rib half 11 in to position by the use of the inter fit between the fitting member 13 and recesses 16.
  • the rib halves 11 are welded, preferably by means of intermittent welding, into connection with the inner walls 9, the floor plate 70 and also to each other at the joining centrally positioned vertical edges.
  • the outer plates 8 are fit on to the outer edges, i.e. the flange 60, of the rib plates 11, e.g. by means of screws.
  • Fig. 8 shows an adjustable foot 20 for adjusting the position of the service pit 1 during installation.
  • the shown adjustable foot 20 comprises a bottom plate 21 with holes 22 for securing the foot 20 to a foundation 40, a substantially vertical threaded rod 23 bearing a movable supporting element 24, comprising holes 25 for attachment to the outer wall 9.
  • the supporting element 24 is vertically movable by means of a nut arrangement 26, interacting with the threaded rod 23
  • Fig. 7 shows a perspective view of a horizontally extending support and attachment member 30 for attachment of a wheel track 32, not shown in this figure.
  • the wheel track attachment member 30 is also shown in Fig. 2 and Figs. 10 to 12 , and it comprises a number of screw holes 31.
  • the wheel track 32 is an optional, auxiliary equipment.
  • Fig. 9 is seen a side view and a top view of a wheel track 32 having a mounting member 34 for attachment thereof to the attachment member 30. On the other side there is an anchoring member 35 for anchoring of the wheel track in the floor of the service place.
  • the wheel track comprises a water tray 33 to collect waste water from the tires of a vehicle.
  • Fig. 10 shows a perspective view of a portion of the service pit 1 shown in Fig. 1 provided with a wheel track 32
  • Fig. 11 and 12 show in more detail the attachment of a wheel track 32 to the support and attachment member 30, where screws, (not shown), may be used to attach the housing member 34 by means of the holes 31, 39.
  • Figs. 13 to 15 are shown three consecutive steps of an installation of the service pit 1.
  • the service pit 1 has been positioned in a cavity in the ground, not shown, to stand on a foundation 40 and adjusted into its intended position by means of the adjustable feet 20.
  • the pit 1 situated a predetermined distance above the foundation 40.
  • a separate substantially vertical fill wall 41 is, as shown in Fig. 13 , attached to the foundation 40 adjacent the extension of both the outer walls 9.
  • This fill wall 41 has a limited height, about 300-500 mm. Sufficiently high to reach above the level of the floor 70, but not higher than needed to fill the bottom region 43 and the corner area 18 of the pit 1. Then soil is refilled into the cavity outside of the fill wall 41 and up to its upper edge.
  • fill material 42 such as concrete
  • fill material 42 is supplied to the lower region 43 up to the upper edge 44 of the fill walls 41. This will provide the possibility for inspecting that filled material 42 has actually been supplied to all desired parts of the bottom region of the pit, since it will be easily detected visually that the fill material reaches the upper edge, at least adjacent the upper edge of the fill wall 41.
  • Fig. 15 the final filling step is shown, where fill material 42 is supplied in to the hollow space 10 between the inner and outer walls 8, 9 to the top. This step will be performed after the fill material 42 in the lower region 43 has solidified, or at least to a certain extent.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Claims (15)

  1. Une fosse d'entretien (1) destinée à être installée sur une fondation (40) et comprenant une pluralité de modules (3), qui présentent une structure porteuse métallique, par exemple en acier, et au moins deux parois latérales longitudinales (5, 6) et un fond (7), au moins les parois latérales (5, 6) présentant une paroi intérieure (8) et une paroi extérieure (9) qui sont disposées à distance l'une de l'autre,
    lesdites parois latérales, le fond et la fondation délimitant un espace (10), comprenant une pluralité d'éléments (11) formant nervure qui sont disposés transversalement dans l'espace (10) pour fixer solidement lesdites parois intérieure et extérieure (8, 9) et le fond (7) au moyen desdits éléments (11) formant nervure, les éléments (11) formant nervure s'étendant essentiellement perpendiculairement au plan des parois latérales (5, 6) et les éléments (11) formant nervure s'étendant sensiblement sur la totalité de l'espace creux (10) et ayant la forme d'un U, caractérisée en ce que lesdits éléments formant nervure se présentent sous la forme de plaques (11) formant nervures faites d'un matériau en plaque métallique ayant une épaisseur de 2 à 6 mm et une largeur transversale (T) couvrant la majeure partie de l'espace entre les parois intérieure et extérieure (8, 9) qui est d'environ 80 à 120 mm, les bords supérieurs (71) dans la partie inférieure (7) desdites plaques (11) formant nervures étant prévus selon un angle obtus (β) par rapport à la verticale.
  2. Une fosse d'entretien (1) selon la revendication 1, caractérisée en ce qu'au centre entre lesdits bords supérieurs (71) à angle obtus des plaques (11) formant nervures se trouve une partie de canal agencée pour loger un canal préformé (74) à liquide d'une plaque de plancher (70) dudit fond (7), pour permettre à du liquide de s'accumuler dans ledit canal préformé (74) à liquide.
  3. Une fosse d'entretien (1) selon la revendication 1 ou la revendication 2, caractérisée en ce que les plaques (11) formant nervures sont faites d'un matériau en plaque métallique, ayant de préférence une épaisseur de 4 mm ou moins.
  4. Une fosse d'entretien (1) selon la revendication 3, caractérisée en ce que la largeur d'une plaque (11) formant nervure dans une direction longitudinale de la fosse (1) est sensiblement égale à l'épaisseur de matériau d'une plaque (11) formant nervure.
  5. Une fosse d'entretien (1) selon la revendication 1, caractérisée en ce que les plaques (11) formant nervures sont pourvues de moyens d'engagement (13) pour une coopération avec des moyens correspondants (16) prévus dans les parois intérieures (8).
  6. Une fosse d'entretien (1) selon la revendication 5, caractérisée en ce que les moyens d'engagement (13) sur les plaques (11) formant nervures comprennent des éléments saillants (13) à engagement ajusté adaptés pour venir exactement en engagement ajusté dans des évidements correspondants (16) aménagés dans les parois intérieures (8).
  7. Une fosse d'entretien (1) selon la revendication 6, caractérisée en ce que les éléments de fixation (13) et/ou les évidements (16) sont produits par l'utilisation de la découpe au laser.
  8. Une fosse d'entretien (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que les bords extérieurs desdites plaques (11) formant nervures sont agencés avec une bride de fixation (60), de préférence une partie pliée des plaques (11) formant nervures.
  9. Une fosse d'entretien (1) selon la revendication 1, caractérisée en ce que les bords inférieurs des plaques formant nervures sont prévus selon un angle obtus (α) par rapport à la verticale, de préférence d'environ 110 à 135°.
  10. Une fosse d'entretien (1) selon la revendication 9, caractérisée en ce que la fosse d'entretien est munie d'un agencement de poutres longitudinales horizontales (19) dans chaque zone de coin inférieur interne (18), et qui interconnecte de préférence les plaques de plancher (70) avec les parois internes (8), ledit agencement de poutres (19), de façon encore préférée, délimitant un chemin (PW) pour un équipement de levage dans la fosse (1) fournissant une largeur de portée de moins de 1500 mm.
  11. Un procédé d'assemblage de la fosse d'entretien (1) telle que revendiquée dans l'une quelconque des revendications précédentes 1 à 10, comprenant les étapes consistant à
    a) agencer deux éléments de structure de base (51) en parallèle à une distance prédéterminée l'un de l'autre,
    b) fixer des parois intérieures (8) auxdits éléments du cadre de base (51), de chaque côté,
    c) fixer des poutres longitudinales (19) et une plaque de plancher (70) pour former un U avec les parois intérieures (8),
    d) fixer des moitiés de nervures (11) à l'extérieur des parois intérieures (8), des poutres longitudinales (19) et de la plaque de plancher (70) et les fixer pour former un certain nombre de plaques (11) formant nervures sensiblement en forme de U, espacées de manière équidistante, s'étendant sensiblement sur la totalité de l'espace creux (10), les bords supérieurs des plaques (11) formant nervures étant prévus selon un angle obtus (β) par rapport à la verticale, et
    e) fixer des parois extérieures (9) aux plaques (11) formant nervures.
  12. Un procédé selon la revendication 11, caractérisé en ce que les plaques (11) formant nervures sont fixées aux parois intérieures (8) en introduisant des éléments saillants (13) à engagement ajusté sur les plaques à nervures (11) dans des évidements correspondants (16) aménagés dans les parois intérieures (8).
  13. Un procédé selon la revendication 11 ou la revendication 12, caractérisé en ce que l'ensemble est modularisé par le fait d'avoir au moins la plupart des plaques des parois intérieures (8) et extérieures (9) qui forment un module d'une longueur prédéterminée (M) et par le fait d'utiliser une pluralité de modules interconnectés pour former ladite fosse d'entretien (1), au moins une desdites poutres longitudinales (19) et/ou élément de structure de base (51) ayant de préférence une longueur qui est sensiblement plus grande que la longueur (M) d'un module.
  14. Un procédé d'installation de la fosse d'entretien (1) telle que revendiquée dans l'une des revendications précédentes 1 à 10, comprenant les étapes consistant à
    a) prévoir une cavité dans le sol dans laquelle sera positionnée la fosse d'entretien (1),
    b) prévoir une fondation (40) sur laquelle la fosse d'entretien (1) peut reposer de manière sûre et rigide,
    c) aménager la fosse d'entretien (1) sur la fondation (40),
    d) ajuster la position de la fosse d'entretien (1) à sa position prévue à l'aide de moyens réglables, tels que des pieds réglables (20), lorsque les parois extérieures (9) sont situées à une distance prédéterminée au-dessus de la fondation (40),
    e) fixer un mur de remplissage (41) séparé, sensiblement vertical, à la fondation (40) dans le prolongement des deux parois extérieures (9), ledit mur de remplissage (41) ayant une hauteur suffisante pour atteindre le niveau d'une plaque de plancher (70) de la fosse d'entretien (1), mais pas plus élevée que nécessaire pour remplir une zone de fond (43) et une zone d'angle de la fosse d'entretien (1),
    f) alimenter du matériau de remplissage (42) dans la zone inférieure (43) jusqu'à un bord supérieur (44) des parois de remplissage (41),
    g) aménager des accessoires, tels que des canaux d'alimentation pour la ventilation, l'air comprimé, l'électricité, etc,
    h) alimenter du matériau de remplissage (42) dans l'espace creux (10) entre les parois intérieure et extérieure (8, 9) jusqu'au sommet.
  15. Un procédé selon la revendication 14, dans lequel de la terre est introduite dans la cavité à l'extérieur de la paroi de remplissage (41) après l'étape e) et dans lequel l'étape h) n'est pas mise en œuvre avant qu'il ait été confirmé visuellement que ladite zone inférieure (43) soit entièrement alimentée.
EP17747864.1A 2016-02-03 2017-01-09 Fosse d'entretien et procédé d'assemblage et d'installation de la fosse d'entretien Active EP3411544B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17747864T PL3411544T3 (pl) 2016-02-03 2017-01-09 Studzienka serwisowa oraz sposób montażu instalacji studzienki serwisowej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1650128A SE541192C2 (en) 2016-02-03 2016-02-03 Service pit and method for assembling and installing the service pit
PCT/SE2017/050013 WO2017135863A1 (fr) 2016-02-03 2017-01-09 Fosse d'entretien et procédé d'assemblage et d'installation de la fosse d'entretien

Publications (3)

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EP3411544A1 EP3411544A1 (fr) 2018-12-12
EP3411544A4 EP3411544A4 (fr) 2019-10-16
EP3411544B1 true EP3411544B1 (fr) 2020-11-04

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EP (1) EP3411544B1 (fr)
DK (1) DK3411544T3 (fr)
PL (1) PL3411544T3 (fr)
SE (1) SE541192C2 (fr)
WO (1) WO2017135863A1 (fr)

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CN110159016B (zh) * 2019-06-26 2023-12-05 中国铁路设计集团有限公司 一种预制装配式可调节轨顶标高的柱式检查坑
CN114687448B (zh) * 2022-06-02 2022-09-02 清华大学 转换梁、建筑结构及施工方法

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DE4324339C2 (de) 1993-05-26 1996-03-28 Balzer Heide Montage- und Reparaturgrube sowie Verfahren zur Herstellung derselben
DE9320679U1 (de) * 1993-05-26 1995-02-02 Balzer Heide Montage- und Reparaturgrube
DE4345415C2 (de) 1993-05-26 1998-10-22 Balzer Heide Montagegrube mit doppelwandiger Stahlkassette
DE29502845U1 (de) * 1995-02-21 1996-08-08 Jacobsen Horst Dipl Ing Stahlkassette für Montagegruben
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WO2017135863A1 (fr) 2017-08-10
EP3411544A4 (fr) 2019-10-16
EP3411544A1 (fr) 2018-12-12
SE1650128A1 (en) 2017-08-04
DK3411544T3 (da) 2020-12-21
SE541192C2 (en) 2019-04-30
PL3411544T3 (pl) 2021-05-31

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