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Патент USA US2089763

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Aug. 10, 1937.
A. G. RoTlNoFF
2,089,763
CONCRETE SHEET FILING
Filed Nov. 8, 1934
5 Smeets-Shea?.v 1
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_ _ma
E w. Hue
197,:
MS;
Aug. 10, 1937.
A. G. RoTlNoFF
2,089,763
`CONCRETE SHEET FILING
Filed NOV. 8, 1954
5 Sheets-Sheet 2
Aug. 10, 1937.
A. G. ROTINOFFI
2,089,763
CONCRETE SHEET FILING
Filed Nov. 8, 1934
l
3 Sheets-Sheet 3
Patented Aug. 10, 1937
2,089,763
UNiTED >STATES PATENT oFFIeE
2,089,763
V
CONCRETE SHEET PILING
Alexander George Rotinoff, deceased, late of
Kingsway, London, England, by Anne Michael
Rotinoñ and George Alexander Rotinoñ", ad
ministrators, South Kensington, England, as
signors to West’s Rotinoff Piling & Construc
tien Company Limited, London, England
Application November 8, 1934, Serial No. 752,158
In Great Britain November 11, 1933
10 Claims. (Cl. 61-59)
This invention relates to concrete sheet piling each end at d to enter recesses in the opposite
and like structures for the formation of water
tight walls and collier-dams and for the carrying
of superstructures, andhas for its object to pro
5 vide for the effective connection of adjacent piles
to one another without imposing upon the con
crete of the piles excessive tension and shearing
stresses such aswill arise during the pile driving
operation and which may cause fracture thereof.
l0
The invention comprises the interlocking or
connection together of adjacent piles during and
if desired after the pile Vdriving or sinking opera
tion by an intermediate part secured to the two
adjacent piles by metal tension members passing
15 throughl the concrete of the said piles at intervals
in their length, the said members permitting of
longitudinal movement of the intermediate in
terlocking part relatively to the piles but prevent
ing such movement laterally with> relation to the
20 piles.
The invention further comprises the improved
methods of and means for interlocking piles as
hereinafter described> and claimed.
Referringto the accompanying sheet of explana
Y
Figures 1-6 are plan views illustrating nine con
structions of sheet pile interlocking means ar
ranged in accordance with this invention.
`
' Figure 7 _is a detail View `drawn toan enlarged
30 scale of the end of one of the tension members
shown in Figures 4 ,and 7.
Figure a is a plan view illustrating the applica
tion of the invention to the interconnection ofV
substantial"*structures >in the form of caissons
which resemble piles except in respect of their
dimensions.
l
v
,
,
Figures 9 and 10 are an elevation and a perspec
tive View of complete interconnected piles.
'40
In all the figures tension members extend into
and through the concrete` at intervals in the verti
cal length of keach pileor caisson as shown in
Figure 9.v
v The tension members project from opposite
45 sidesoi each pile or caisson and the projecting
' parts. .arev shaped or arranged so that they can
take an effective hold upon an intermediate
member which is to hold adjacent piles >or caissons
together while permitting relative longitudinal
50 movement between the piles and intermediate
members for the purpose hereinafter more fully
speciñed.
-
.
-
In Figures 3I 4, 5 and 6, the tension bars are
in pairs and may be interconnected by a stirrup
piece (as shown at e in Figures 4, 5 and .'7) ad
jacent to their ends to hold the bars at the
requisite distance apart. The ends f of the pairs
of tension barsa2 are turned inwards so that they
can take over the sides of the intermediate mem
bers c2, c3. The piles are shown at bz'in Figures 10
3, 4, and 5, at b3 in Figure 6.
In Figure 8, each tension bar a3 is divided at its
ends and the two parts spread apart and their
ends f’ turned inwards to embrace the sides
of the intermediate members c2. In this figure,
the tension bars of the corner pile or caisson g
do not extend completely through the caisson
but terminate therein with a cross or anchor piece
(L13 at the end.
The remaining piles are in this
figure indicated by the reference b5.
’
25 tory drawingst-
sides of the intermediate member c or c’.
1
.
In'Figures 1 and 2, the tension members consist
of rods or bars a extending completely through
55 the'concrete'of the pile b or b’ and headed at
20
In all the constructions, each intermediate
member extends the whole length of the piles as
shown in Figure 10 or any desired portion of such
length and serves to bind adjacent piles together
so that they cannot separate but it does not pre 25
vent free'relative longitudinal movements of the
piles at its opposite sides.
` In driving piles, each pile as it is driven into
place has its tension members engaging suc
cessivelyvthe intermediate or interlocking mem 30
ber of the pile already driven and it carries down
with it the intermediate member at its opposite
side. If desired the driving blows may be ap
plied to the intermediate member through a part
which may permit a limited amount of relative 35
longitudinal movement between pile and inter
mediate member. Thus in Figure 10, as the end
pile k was driven, its tension members would suc
cessively engage in the recess in the intermediate
member c2 which had `been driven into the ground 40
with the pile m, and the intermediate member c12
would be driven along with k so as to be ready for
engagement bythe tension members of the next
pile. In some cases, the intermediate member of
the pile which has already been driven, may be 45
locked against endwise movement to its pile to
prevent longitudinal displacement when the next
pile is being driven. Thev tension rods are sub
jected chieñy to tensile stresses, the shearing or
twisting stresses being insuii‘icient to cause frac 50
ture of the concrete.
Y
'I‘he intermediate or interlocking members in
all the constructions may be left permanently in
position, or they may be withdrawn after the
several piles have been ñnally driven into place 55
2
2,089,763
and the space between adjacent piles ñlled in
ample, be of the shapes shown in Figures l and
with concrete which keys itself into and around
2) which grip the intermediate or interlocking
members may be secured to each pile at its oppo
the ends of the tension members as shown in
the lower portion of Figures 1-4,
, The preferred way of con'creting the. spaces
where the intermediate or interlocking members
are located will be understood by reference more
site sides by bolt like members passing freely
through transverse holes through the piles.
The present invention obviates the` known de
fects of the interlocking means usually employed
particularly to Figures 2 and 4. In these it will<> yorfwhich have been proposed for sheet piling and
be seen that the intermediate or interlocking prevents damage to the concrete by the inter
10 members c’ or c3 have a central hole n or n’
formed longitudinally therethrough from'end to
end.
As each member c' or c3v is withdrawn,
locking means during driving.
Where desired, instead of grouting with ce
ment or concrete, we may use clay, bitumen or
grout is fed down, if desired under pressure, the
other material to suit any particular require
central hole n or n’ so that it ñlls the space
ments.
beneath and around the lower end of the mem
In the appended claims the term “pile” is used 15
to include bearing or king piles, anchor piles,
Y
ber. Thus the space between adjacent -pilesfis
gradually ñlled with concrete which' constitutesV sheet piles‘and caissons, to all of which this
an effective bond and key to hold the‘piles to
-invention relates. The piles need not necessarily
gether in a secure and ñuid-tight manner. VIl? , be driven downwards, but may be sunk by clear
20 desired a j_oist such as forms the interlocking
ing a way in advance of their lower ends.
member c2 in Figure 3 may lbe lowered .down ` Having now described the invention, `what is
into the‘grout or concrete in the space between claimed as. new and desired to secure by Letters
the pilesfso as totake the place of the-with
Patent isz`
1. An interlocking reinforced concrete pile, a
drawn special form of intermediate member with
plurality of headed metallic tension members ex
the central'hole n" or n', such as shown inFig
tending into the concrete of the pile and having
ures 2, 4 and 5.
’
heads projecting in spaced vertical alignment
The bottom of each intermediate or'inter
locking member may consist of a detachable shoe along at least one face ofthe said pile and adapt
ed'for sliding engagement with an interlocking
. as shown at o in Figure 10 which remains in
position as the intermediate member is raised member, and a metallic interlocking member
and concreting proceeds through the central adapted for sliding engagement with the said
heads, a’ hole extending through the said inter?
hole n.
In some cases it may be desirable to flush, Wash locking member from end to end thereof.
2S AnV interlocking reinforced concrete pile, at
. or blow out the spaces around the intermediate
members in order to remove any slime, silt or least one groove formed in a face of said pile
other material or soil which might interfere with parallel to the axis of the pile, a series of headed
eiiicient concreting. For this purpose the sides
20
25
30
35
metallic tension members extending into the con-`
crete of the pile and having‘their heads’ project
vided withrecessesv or channels p» in their ends ing at intervals in vertical alignment> into >the
40 adjacent to'the intermediate members. Beforevv said ygroove and adapted for sliding engagementv Lio
with'anV interlocking member within the said
concreting commences and if desired during driv
ing,fpipes conveying water or air under pressure >groove-and a'metallic interlocking member adapt
are passed down the channels p to‘ jet the walls ed to enter the‘groove. speciñed and to make slid
of> the pile and of the intermediate'member clean ingl engagement with the specified' heads of ten
45 of silt, slime or the like. While jetting proceeds,
sion members within the said groove, a hole ex
grout may be fed or forced under pressure .down tending` throughl the said interlocking member
of' the l.pile may as shown in Figure 5 be *pro-y
l5
the vcentral hole n or n.’ and the intermediate
from endfto end thereof.
f
member lifted so that the grout will not only
completely ñll the space below the bottom Vof the
plurality of vertically spaced metallic tension
570 intermediate member and between the piles but
will flow up the channels p; until it appears at
theftopfof the pile which will be an indicationv
members» extending through the said pile and
having heads projecting at opposite sides there
of, the said heads at Veach side of the pile all
that the, passages are clear and that concreting
will proceed satisfactorily as the intermediate or
interlocking member continues to be raised. The
lyingin a vertical line with one another and
recesses or channels p maybe provided in any
4. An interlocking reinforced concrete pile, a
desired parts of the end faces of the piles. If
desired; grouting may be effected down the chan
plurality of vertically spaced straight metallic
tension members free from projections within
the> pile extending through the concrete of the
nels p after jetting.
60
Y
The invention’is' not limited to any particular
shape or coniiguration of pile _or caisson. The
several figures show various shapesY suitable for
diiTerent services and positions. 'v For corner po
sitions, a pile of cruciform> shape may be used
65 with two sets of tension members at right angles
to one another extending therethrough. Or the
pile `may be of plain shape with two sets of ten-Y
sion'kmemb‘ers at right angles to one another
similar to Ithe caisson arrangement shown in
Figure 8.
Y
Y'
Concrete sheet piles can belint'erlocked with
one another as shown and also with bearing or
king poles orY anchor piles which have tension
775
members similar to those of the sheet piles.
In some cases- the heads (which may, for ex
3. An interlocking reinforced concrete pile, a
50
being adapted for sliding engagement with an
interlocking member.
55
y
pile from side to side thereof and having shaped 60
heads projecting from the concrete at the oppo
site sides thereof,v the said heads at each side of
the pile all lying in a vertical line with one another
andV being adapted for sliding engagement with
an interlocking member but not with heads iden 65
tical with those projecting at the other side of
the pile.
`
'
5. A pile as claimed in claim 3 in which the
sides of the piles from which the heads of the
tension members project are formed with vertical
grooves within which the said heads lie.
6. A pile _as claimed in claim 3 in which the
sides of the piles fromwhich the heads of the
tension members project have vertical grooves
Within which the said heads lie, the said heads
2,089,763
comprising end portions of the tension members
extending at an angle from the main length of
the tension members.
'7. An interlocking reinforced concrete pile as
claimed in claim 3 wherein the said tension mem
bers are arranged in pairs and connected to
gether by horizontal strengthening and connect
ing pieces also embedded in the concrete.
8. A pile as claimed in claim 3 in which the
10 sides of the piles from which the heads of the
tension members project have vertical grooves
v within which the said heads lie, the end portions
of said tension members each comprising two
separate portions of the tension members ex
15 tending apart from one another and then in
wards towards each other at their extremities,
the said extremities projecting through the walls
of the grooves in the manner specified.
9. Interlocking reinforced concrete sheet piling
20 comprising a plurality of piles as claimed in
claim 3 together with a plurality of metallic
interlocking members disposed each between ad
jacent faces of two adjacent piles and slidably
3
engaging the heads of the tension members pro
jecting from both the said adjacent faces and
thereby interlocking the said piles together.
10. Interlocking reinforced concrete sheet pil
ing comprising a plurality of vertically spaced
metallic tension members extending through the
said pile and having heads projecting at opposite
sides thereof, the said heads at each side of the
pile all being in a vertical line with one another
and being adapted for sliding engagement with 10
an interlocking member, but not with heads
identical with those projecting at the other side
of the piles, and with a plurality of metallic
interlocking members disposed each between ad
jacent faces of two adjacent piles and slidably 15
engaging the heads of the tension members pro
jecting from both the said adjacent faces and
thereby interlocking the said piles together.
ANNE MICHAEL ROTINOFF,
GEORGE ALEXANDER ROTINOFF,
Administrators of the Estate of Alexander George
Retinal?, Deceased.
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