|Publication number||US3720068 A|
|Publication date||Mar 13, 1973|
|Filing date||Apr 12, 1972|
|Priority date||Apr 12, 1972|
|Publication number||US 3720068 A, US 3720068A, US-A-3720068, US3720068 A, US3720068A|
|Inventors||Rosa E De|
|Original Assignee||Rosa E De|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (18), Classifications (12)|
|External Links: USPTO, USPTO Assignment, Espacenet|
March 13, 1973 E. R. DE RosA METHOD AND APPARATUS FOR SPLICING REPLACEMEN PILE SECTION TO PILE STUB Filed April l2, 1972 2 Sheets-Sheet l March 13, 1973 Filed April l2, 1972 E. R. DE ROSA METHOD AND APPARATUS FOR SPLICING REPLACEMENT PILE SECTION TO PILE STUB DE l k2!) `G f A E`l Er.. l-
2 Sheets-Sheet 2 F 26 E A l l L '26 E f E 2' E S-F E: '3mm :E FL.. z D En? D D i I :lnDnlnn c i nu @un j :mamma c I9 lss-4 le f' f 7 I 'g :i D j I3 'l I IL-C n Juul-T1515 I4 2 j llllllinlnn c f f DEI I'lilUCl f i nnchnlinu c j nndumuu I j :nu un :E f 5 ll/U E E 26 26% A A V lf-w,
United States Patent O fice 3121168 Patented Mar. 13, 1973 plane 5 5 of FIG. 4, prior to the waterproof mastic, felt 3,720,068 and boot being applied over the joint; and
METHOD AND APPARATUS FUR SPLICING RE- PLACEMENT PILE SECTIN T PILE S'IUB Eugene R. De Rosa, 1649 Fernside St.,
IFIG. 6 is a fragmentary elevational view showing a modified form of connector plate.
While only the preferred embodiments of the invention Fl lvog .Nog 342 have been shown, it should be understood that various l e p Int Cl Ezd /60' changes, or modifications, may be made within the scope US. Cl. 61 53 9 Claims of the appended claims without departing from the spirit thereof.
10 DETAILED DEsoRIPTIoN oF THE PREFERRED ABSTRACT 0F THE DISCLOSURE EMBODIMENTS Method and apparatus for splicing replacement Pile As shown in FIG. 1 an existing pile has been cut olf .section to.pi1e st ub wherein th? lrleplacement ne .'ectog so as to remove a deteriorated upper section that has been arranges; gaat? by mgm. Alwhgcg n o waterproof adhesive being placed therebetween to provrde e S Wnwar y m o e groun 1S p1 e S u re a bonded joint. Moreover, a plurality of connector` plates gognodgglpgtlrgrpdmgvl are nailed to the replacement pile section and the p1le stub I Iowewr in many cases the existing pile may Stm be in o overl the 'oint, and la ers of water roof mastic are blaced gtr/)er thJe connectoryplates' and tlhen felt or the 20 go-Odconiltlon above the mud Ime accrdmgly the like is disposed over the mastic, t0 protect a ,resilient xlsimg p11@ igould je cui OEI-at an appropriate pomt be' ow or even a ove t water ine.
tubular boot from damage by the nail heads when the e I h l Prior to cutting off the existing pile below the mud line boot 1S Subsequently rolled over t e 101m' 10, the mud around the pile should be jetted out to leave a sunken cavity 11 surrounding the pile stub A. Then an axial bore 12 is drilled in the top 13 of the pile stub A,
SUMMARY and a special cutter head is used for making an annular It is a well known fact that piles used under docks and groove 14 in the pile stub in concentric relation with the trestles are subject to deterioration due to marine life, bore 12, the bore 112 being used as a guide. Then a split and part of the piles must be replaced from time to time, sleeve ring C is inserted into the groove 14 and a drift pin while still utilizing the stub piles that remain in the mud 15 iS inserted into the bore 12 with this pin projecting or underwater. above the top 13 of the pile stub A as disclosed in FIG. 1. An object of this invention is to provide a method and At this time a suitable waterproof adhesive D, such as apparatus whereby replacement pile sections may be epoxy, is placed in the confines of the sleeve ring C, as
readily mounted on and strongly connected to the pile Shown in FIG. 1. Subsequently this adhesive is forced out stubs, requiring the minimum amount of labor while rethrough holeS 16 i11 the Sleeve fing for Spreading oVeI the ducing substantially the cost of the repairs. top 13 of the pile stub A and the bottom 17 of a replace- Briefly speaking, replacement pile section is moved into ment pile Section Eto form a bond therebetween.
axial alignment with respect to the stub pile and the The replcement pile Section E has boTe 13 drilled np` former is lowered on the top 0f the latter, with Waterproof 40 Wardlythereinto from .its bottom 17, and this fore is used adhesive being used to bond them together at the joint. 3S e gmde for the Speclel cutter head in forming an annu- Then a plurality of connector plates are nailed to both lar groove 19 that is disposed concentrically relative to the replacement pile section and the pile stub so as to overthe bore 13, this gfooVe being formed in the bottOm 17 0f lap the joint. Subsequently, waterproof mastic is placed the 1"epldcement Pile Section- GfooVeS 14 and 19* are diover the exterior surfaces of the connector plates and nail menSioned to fegiSter With One another.
heads. Felt, or the like, is disposed over the mastic and AS the replacement pile Section E iS moved into posinally a resilient tubular boot is applied over the mastic, tion for monnting on the top 13 0f the pile Stnb A, the the boot being protected by the felt from damage by the drift pm 15 1s inserted mto the bore 18 and thus this pin nail beads serves to guide the replacement pile section into proper Other objects and advantages will appear as the specif- Position on the pile Stull During the final InOVeInent 0f cation proceeds, and the novel features of the invention the replaccment pile Section on the Pile Stub, the Core 20 will be pointed out in tbe appended claims. on the bottom of the replacement pile section E which is disposed within the coniines of the annular groove 19 (see BRIEF DESCRIPTION Op THE DRAWINGS FIG. l) is made to t into the sleeve ring C, thus forcing the waterproof adhesive D through the holes 16 for For a better understanding of the invention, reference Spreading over the adjacent endS 13 and |17 0f the pile should be made to the accompanying drawings, forming stub A and replacement pile section E, respectively, bondpart of this specification, wherein: ing them together.
FIG. 1 is an elevational view disclosing a replacement As illustrated in FIGS. 4 and 45, a plurality of conpile section prior to being moved into final position relanector plates F are arranged in abutting relation with the tive to a pile stub, parts being shown in section; replacement pile section E and the pile stub A to overlap FIG. 2 is an elevational view showing the replacement the joint therebetween, and these plates are secured in pile section connected to the pile stub; place by nails 21. Each of the connector plates F has a FIG. 3 is a side view of a sleeve ring that is used for at body 22 that iS arranged t0 be diSpOSed tangentielly holding the waterproof adhesive and spreading the latter against the exterior surfaces of the pile stub A and the between the adjacent ends of the replacement pile section replacement pile section =E, while angular marginal and pile stub; d'langes 23 abut the pile stub and replacement pile section. FIG. 4 is a fragmentary elevational view of the adlReferring now to FIG. 4, it will be seen that layers of jacent ends of the replacement pile section Werproof mastic G are placed over the exterior surfaces secured together by connector plates, with, the waterproof o e connector plates F to cover heads of the nails 21 mastic, felt and boot being shown in section; and t .e plates, thus preventing the nail heads and FIG. 5 is a horizontal sectional view taken along the plates fro being corroded by the action of water,
Strips of felt H, or the like, is disposed over the Waterproof mastic G to protect a resilient tubular boot J from being damaged by the nail heads when the boot is applied over the joint between the pile stub A and the replacement pile section E. The waterproof mastic G may be spread over the felt H, or the like, prior to the latter being applied to the connector plates F. It will be noted by the dot-dash lines in FIG. 4 that the strip of felt H is somewhat larger than the connector plate F over which it is applied, projecting above, below and to both lateral sides of the plate.
As to the resilient tubular boot l, it may be made from neoprene, or the like, and it may be placed around the pile stub A or the replacement pile section E, with the boot being rolled upon itself as shown in FIG. il. It is preferred that the boot be placed initially around the replacement pile section E, since this may be done before the latter is moved into the water and will save underwater Work by the diver, As shown in FIGS. 2 and 4, the boot I is unrolled so that it will be disposed over the joint between the pile stub A and the replacement pile section E, enclosing the connector plates F, waterproof mastic G and felt H, or the like. The boot has upper and lower portions 24 and 25, respectively, that embrace the replacement pile section and the pile stub.
In the modification shown in FIG. y6, the connector plates F are somewhat more narrow than the connector plates F previously described and are at so that they may be placed against flat surfaces 26 that are chiseled into the exteriors of the adjacent ends of the pile stub A and the replacement pile section E. Otherwise the procedure and structure in FIG. `6 are identical with that previously described, and like reference numbers and letters have been applied to corresponding parts of the two embodiments. It will be understood that waterproof mastic G, felt H, or the like, and the resilient boot J will be used in FIG. 6 of the drawings.
In FIG. 2, wedges 27 have been shown as being driven between the top 28 of the replacement pile section E and an existing pile cap 29 disposed above the replacement pile section to force the latter downwardly against the pile stub, and then one or more brackets 30 and lag screws 31 are used for securing the replacement pile section E to the pile cap. The weight of the replacement pile ordinarily is sufficient to force it down against the pile stub.
1. In the method for splicing replacement pile section to pile stub, the steps of:
(a) disposing a resilient tubular boot around one of the piles, with the boot being rolled upon itself;
(b) moving the replacement pile section into axial alignment with respect to the pile stub so that the former will be mounted on the latter, placing a bond the replacement pile section to the pile stub;
(c) abutting a plurality of connector plates against the replacement pile section and the pile stub to overlap the joint therebetween, and nailing these connector plates to the replacement pile section and the pile stub;
(d) placing layers of waterproof mastic over the exterior surfaces of the connector plates to cover heads of the nails and these plates;
l(e) and unrolling the boot so that it will be disposed over the joint and enclose the connector plates and waterproof mastic, with upper and lower portions of hte boot tightly embracing the replacement pile section and pile stub, respectively.
2. The method for splicing replacement pile section to pile stub, as set forth in claim 1;
(f) and in which felt, or the like, is disposed over the waterproof mastic to protect the boot from being damaged by the nail heads when the boot is unrolled over the joint.
3. The method for splicing replacement pile section to pile stub, as set forth in claim 2;
(g) and in which the waterproof mastic is spread over the felt, or the like, prior to the latter being applied to the connector plates.
4. The method for splicing replacement pile section to pile stub, as set forth in claim 1;
'(f) and in which annular grooves are fashioned in the bottom and top of the replacement pile section and pile stub, respectively, these grooves being arranged to register with one another when the replacement pile section is moved into position on the pile stub;
(g) inserting a sleeve ring into the annular groove in the top of the pile stub with the sleeve ring projecting thereabove, the sleeve ring having a series of holes therein;
(h) placing the waterproof adhesive in the confines of the sleeve ring, the bottom of the replacement pile section having a core disposed to t into the sleeve ring and force the waterproof adhesive through the holes of the sleeve ring for spreading over the adjacent ends of the replacement pile section and the pile stub when the former is lowered relative to the latter.
5. The method for splicing replacement pile section to pile stub, as set forth in claim 4;
(i) and in which axially aligned bores are formed in the bottom and top of the replacement pile section and pile stub, respectively;
(j) and inserting a drift pin into the bore of the pile stub to project upwardly therefrom, this drift pin being disposed to enter the bore in the replacement pile section to guide the latter into final position on top of the pile stub.
6. The method for splicing replacement pile section to pile stub, as set forth in claim 5;
(k) and in which the grooves in the pile stub and replacement pile section are disposed concentrically around the bores in the pile stub and replacement pile section, respectively.
7. In the apparatus for splicing replacement pile section to pile stub, wherein a replacement pile section has its bottom mounted on the top of a pile stub to form a joint therebetween:
(a) annular grooves in the bottom and top of the replacement pile section and pile stub, respectively, these grooves registering with one another, a sleeve ring inserted into the annular groove in the top of the pile stub and projecting into the annular groove in the bottom of the replacement pile section, -waterproof adhesive disposed in the sleeve ring and part of this adhesive being forced through .holes in the sleeve ring by a core on the bottom of the replacement pile section that has entered the sleeve ring, and this forced out adhesive providing a bond between the replacement pile section and pile stub at the joint therebetween;
(b) a plurality of connector plates abutting against the replacement pile section and the pile stub to overlap the joint, these connector plates being nailed to the replacement pile section and pile stub;
(c) layers of waterproof mastic covering the exterior surfaces of the connector plates and heads of the nails;
(d) and a resilient tubular boot disposed around the replacement pile section and pile stub and extending over the joint, the boot enclosing the connector plates and waterproof mastic.
8. The apparatus for splicing replacement pile section to pile stub, as set forth in claim 7;
(e) and in which felt, or the like, is interposed between the waterproof mastic and the boot to protect the latter from being damaged by the nail heads.
9. The apparatus for splicing replacement pile section to pile stub, as set forth in claim 7;
5 6 (e) and in which wedges are driven between the top of 3,307,362 3/1967 Cravens et al. 61-54 the replacement pile section and an existing pile cap 3,553,970 1/ 1971 Wiswell 61-54 disposed above the replacement pile section to force FOREIGN PATENTS the latter downwardl a ainst th ile stub.
y g e p 5 640,686 s/1962 canada 61-53 e ences cned DAVID J. WILLIAMOWSKY, Prirnnry Examiner UNITED STATES PATENTS 691,418 1/1902 Thacher u 61- 53 D. H. CORBI-N, Asslstant Examiner 2,510,230 -6/1950 Johnson er a1. 287-127 E lo US- CL X-R- 3,295,275 .1/1967 Carlsen 52%170 X 52-585; -61 -54; 287-2092 L, 127 E
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US3931716 *||Jun 7, 1974||Jan 13, 1976||Donald Payne||Pile splice for concrete and steel piles of various configuration|
|US3934422 *||Nov 11, 1974||Jan 27, 1976||Fredrickson Larry E||Pile splicing apparatus and method|
|US4058985 *||Jul 19, 1976||Nov 22, 1977||Liddell Orval E||Protection of metallic structural elements against corrosion|
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|WO2014182647A3 *||May 6, 2014||Apr 30, 2015||Schmidt Harold F||Method of piling remediation|
|U.S. Classification||405/195.1, 403/DIG.500, 403/286, 405/251, 403/293, 52/741.14, 405/216, 403/292|
|Cooperative Classification||E02D5/64, Y10S403/05|