DE687460C - Process for rolling T-shaped sheet piles - Google Patents

Process for rolling T-shaped sheet piles

Info

Publication number
DE687460C
DE687460C DE1931SC107632 DESC107632D DE687460C DE 687460 C DE687460 C DE 687460C DE 1931SC107632 DE1931SC107632 DE 1931SC107632 DE SC107632 D DESC107632 D DE SC107632D DE 687460 C DE687460 C DE 687460C
Authority
DE
Germany
Prior art keywords
rolling
sheet piles
rolled
lock
shaped sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE1931SC107632
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KURT SCHROEDER DR ING
Original Assignee
KURT SCHROEDER DR ING
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KURT SCHROEDER DR ING filed Critical KURT SCHROEDER DR ING
Priority to DE1931SC107632 priority Critical patent/DE687460C/en
Application granted granted Critical
Publication of DE687460C publication Critical patent/DE687460C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/082Piling sections having lateral edges specially adapted for interlocking with each other in order to build a wall
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/02Sheet piles or sheet pile bulkheads
    • E02D5/03Prefabricated parts, e.g. composite sheet piles
    • E02D5/04Prefabricated parts, e.g. composite sheet piles made of steel

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Description

Verfahren zum Walzen T-förmiger Spundwandbohlen Das Walzen von T-förmigen Stahlspundbohlen mit klauenartigen Schloßteilen an den Flanschenenden in. einer Hitze stieß bisher auf Schwierigkeiten. Es war also nicht möglich, die bei der späteren Herstellung von verschiedenen Spundwandgrundrißformen auf Zug beanspruchten Schloßteile in einer Hitze fertig auszuwalzen. Solche Teile wurden nach dem Walzen umgebogen. Ein scharfes nachträgliches Umformen ist sehr gefährlich, da hierbei die Schloßteile leicht einreißen. Die Schloßverbindungen der einzelnen Bohlen werden durch das Einreißen stark geschwächt, und der Zusammenhalt, die Standfestigkeit sowie die Wasserdichtigkeit einer aus solchen Bohlen hergestellten Spundwand ist gefährdet. Auch sprangen die artgewalzten Schloßverbindungen von bisher im Handel befindlichen gewalzten T-förmigen Stahlspundbohlen vor die Spundwandflucht, so daß die Schloßteile immer starken Beschädigungen ausgesetzt waren bzw. solche verursachten. Die Herstellung einer vollkommen glatten Spundwand mit artgewalzten klauenartigen Schloßteilen war bisher nicht ausführbar.Method of rolling T-shaped sheet piles The rolling of T-shaped Steel sheet piles with claw-like lock parts at the flange ends in one Heat has encountered difficulties so far. So it was not possible for the later one Manufacture of various sheet pile wall plan shapes subject to tension lock parts finish rolling in a heat. Such parts were bent over after rolling. A sharp subsequent reshaping is very dangerous, as this would damage the lock parts tear easily. The lock connections of the individual planks are torn severely weakened, and the cohesion, stability and waterproofness a sheet pile wall made from such planks is at risk. They jumped too type-rolled interlock connections from previously commercially available rolled T-shaped ones Steel sheet piles in front of the sheet pile wall, so that the lock parts are always heavily damaged were exposed or caused such. Making a perfectly smooth Sheet pile wall with type-rolled claw-like interlock parts was previously not feasible.

Diese Nachteile werden durch das neue Walzverfahren vermieden. Die neue T-förmige Stahlspundbohle wird in einer Hitze in einem kelchförmigen Querschnitt gewalzt. Alle auf Zug beanspruchten Schloßteile 3 befinden sich im Urwalzzustand, sind also in der gleichen Hitze geformt worden. Die Schloßteile z erhalten schlanke Abmessungen und werden beim Walzen in derselben Hitze, in der der kelchförmige Querschnitt gewalzt wird, in flachem Bogen umgelegt, damit sich die Dehnungen oder Quetschungen des Baustoffes auf die ganze Länge der Nase auswirken können, so daß ein Einreißen des Baustoffes nicht erfolgt. Nach dem Umlegen der Schloßteile a werden die Flanschen gestreckt oder zurückgebogen, so daß die Schloßverbindungen hinter der Flanschenfront liegen. Es ist hierbei gleichgültig, wie weit die Flanschen zurückgebogen werden. Aus den Spundbohlen mit gestreckten oder gekrümmten Flanschen lassen sich verschiedenartig gestaltete Spundwandgrundrißformen zusammenstellen, die entweder vollkommen glatte Innen- oder Außenflächen haben.These disadvantages are avoided by the new rolling process. the new T-shaped steel sheet pile is in a heat in a goblet-shaped cross-section rolled. All lock parts 3 stressed in tension are in the original rolling condition, so were formed in the same heat. The lock parts z get slim Dimensions and are rolled in the same heat as the cup-shaped cross-section is rolled, folded in a flat arc, so that the stretching or bruising of the building material can affect the entire length of the nose, so that it tears of the building material does not take place. After turning over the lock parts a, the flanges stretched or bent back so that the lock connections are behind the flange front lie. It does not matter how far the flanges are bent back. The sheet piles with straight or curved flanges can be used in various ways Put together designed sheet pile wall plan shapes that are either completely smooth Have interior or exterior surfaces.

Claims (1)

PATENTANSPRLTCH: Verfahren zum Walzen T-förmiger Spundwandbohlen, deren Flanschen zum Verbinden der einzelnen Bohlen untereinander mit klauenartig ausgebildeten Schloßstücken versehen sind, die bis zum Umbiegen ihrer Nasen fertiggewalzt Nverden, dadurch gekennzeichnet, daß in einer Hitze zunächst ein kelchförmiger Querschnitt gewalzt wird, daß dann die Schloßstücke durch Umbiegen ihrer Nasen (z) in Richtung der verdickten Schloßteile (3) in der gleichen Hitze ihre endgültige Gestalt erhalten und daß zuletzt durch Zurückbiegen der Flanschen (z) die klauenartigen Schloßstücke hinter die Fianschenfront der aus den Bohlen erstellten Spundwand verlegt werden.PATENTANSPRLTCH: Process for rolling T-shaped sheet piles, their flanges for connecting the individual planks with each other with claw-like trained lock pieces are provided, which are finish-rolled until their noses are bent Nverden, characterized in that first a cup-shaped cross-section in a heat is rolled that then the lock pieces by bending their lugs (z) in the direction the thickened lock parts (3) obtained their final shape in the same heat and that finally by bending back the flanges (z) the claw-like lock pieces be laid behind the flange front of the sheet pile wall made from the planks.
DE1931SC107632 1931-05-27 1931-05-27 Process for rolling T-shaped sheet piles Expired DE687460C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1931SC107632 DE687460C (en) 1931-05-27 1931-05-27 Process for rolling T-shaped sheet piles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1931SC107632 DE687460C (en) 1931-05-27 1931-05-27 Process for rolling T-shaped sheet piles

Publications (1)

Publication Number Publication Date
DE687460C true DE687460C (en) 1940-01-30

Family

ID=7448438

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1931SC107632 Expired DE687460C (en) 1931-05-27 1931-05-27 Process for rolling T-shaped sheet piles

Country Status (1)

Country Link
DE (1) DE687460C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042346B (en) * 1955-11-08 1958-10-30 Kurt Schroeder Dr Ing Method for producing interlocking connections for steel sheet piles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042346B (en) * 1955-11-08 1958-10-30 Kurt Schroeder Dr Ing Method for producing interlocking connections for steel sheet piles

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