WO2005068730A1 - Self-stable prefabricated foundation for towers - Google Patents
Self-stable prefabricated foundation for towers Download PDFInfo
- Publication number
- WO2005068730A1 WO2005068730A1 PCT/PT2005/000002 PT2005000002W WO2005068730A1 WO 2005068730 A1 WO2005068730 A1 WO 2005068730A1 PT 2005000002 W PT2005000002 W PT 2005000002W WO 2005068730 A1 WO2005068730 A1 WO 2005068730A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- base
- tower
- pieces
- assembly
- steel
- Prior art date
Links
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
Definitions
- the present invention relates to foundations for towers in general and in particular for telecommunications towers, radar towers and similar applications.
- the execution of telecommunications networks comprises a series of telecommunications towers in such a way as to cover the areas that are intended to be covered and usually these towers, of varied dimensions, are installed in an open field.
- Telecommunications companies need to set up telecommunications towers quickly due to the great growth of their own networks, as well as the fact that they have been having difficulties in obtaining the licences for the respective construction.
- the tower the foundation is composed of 3 prefabricated reinforced concrete pieces, mounted side by side in the correct order and then assembled with 4 steel profiles. Afterwards, 2 identical groups of counterweights are put in place, on top of the steel profiles on each side of the tower place.
- Figure 1 is a frontal view of the set of the tower with the base and the counterweight according to the present invention.
- Figure 2 is a side view of the set of the tower with the base and the counterweight according to the present invention.
- Figure 3 is a plan view of the levelled ground to set up the base and the electric grounding cables and connections
- Figure 4 is a plan view of the 3 pieces that constitute the base with the infrastructures to pass all kinds of cables to the equipment connections inside the prefabricated concrete slabs. This figure also shows the location of the fixed bolts to fix the H200B steel profiles.
- Figure 5 is a plan view with the steel profile structure that is incorporated inside of one of the prefabricated concrete pieces, and that secures the tower by means of the welded anchor bolts. This figure shows also the 4 steel profiles that are fixed to the 3 prefabricated slabs and assembled all together.
- Figure 6 is a plan view of the site, the tower base with the steel profiles and the counterweights. We can also see the plan of the telecommunications tower, the outdoor type of electronic telecommunications equipment and the electric main board.
- Figure 7 is a sectional view of the securing detail of the steel profiles that assemble the 3 base slabs.
- the present invention refers to a tower foundation in general and in particular for telecommunications towers, radar towers and similar applications, which is quickly assembled, can be disassembled, transported to another location and reassembled.
- the natural ground 1 must be levelled to horizontally mount the base 3.
- the base 3 is a set of 3 pieces of prefabricated reinforced concrete with the dimensions of 5 m in length, 2.4 m in width and 0.2 m in thickness, but they can have other dimensions adapted to the engineering calculations, transport conditions, lifting conditions or site surface needed.
- the base pieces are placed side by side in the correct sequence according to the location of the manhole boxes 7, the boxes for the electric grounding connections 8, the tubes inside of the concrete slabs for power cables 5, the tubes inside of the concrete slabs for telecommunications cables 6 and electric grounding cables 9, according to fig. 4.
- the hole 18 that exists in the concrete base, fig. 4, is for the passage of the lightning protection cable from the tower to the grounding connection.
- the base 3 has a thickness of 0.2 m in order to its top surface has an easy access from the outside ground to people and equipment .
- the entire base after assembly defines the total site surface, which includes the tower 13 and telecommunication equipment 16, being its perimeter the location of the fence and access gate 14, also avoiding the need for fence post foundations .
- the base slabs 3 are fixed by the concrete bolts 4 aligned according to the securing of the steel profiles 11. These bolts 4 are inserted according to the quantities expressed in fig. 4 and they exist to mobilize all the base slabs to the tower 13 loads, although location and quantities of the bolts depend on the structural calculations.
- the steel profiles 11 are calculated in order to the loads of the tower be distributed to all site base. They are fixed with bolts 4, nails 22 and nuts 20 according to fig. 7.
- the tower 13 can be any kind of type of tower, monopole, triangular or quadrangular, in steel, concrete or GRC (Glass fibre Reinforced Concrete) , and with different dimensions.
- the solution for securing the base is adapted taking into consideration the structural calculations that will define the quantities and location of the anchor bolts 10, and the steel structure that goes inside of the concrete slab 19.
- Figure 2 shows the ground levelling 1 with the implantation surface and the electric grounding cables 2 and the lightning protection cables.
- the steel profile structure 19 is incorporated into the concrete and has the function of transferring the loads of the tower 13 through the anchor bolts 10 to the concrete slab. Its function is also to reduce the stresses / strains due to localized tower reactions and mobilize the stable weight of the counterweights through the steel profiles 4 and all the concrete slabs of the base 3.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Foundations (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05704670A EP1716294A1 (en) | 2004-01-19 | 2005-01-19 | Self-stable prefabricated foundation for towers |
BRPI0506463-5A BRPI0506463A (en) | 2004-01-19 | 2005-01-19 | self-supporting prefabricated tower foundation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT103061 | 2004-01-19 | ||
PT10306104A PT103061A (en) | 2004-01-19 | 2004-01-19 | BASES OF TOWERS, AUTO STATIONS PREFABRICATED |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005068730A1 true WO2005068730A1 (en) | 2005-07-28 |
Family
ID=34793498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/PT2005/000002 WO2005068730A1 (en) | 2004-01-19 | 2005-01-19 | Self-stable prefabricated foundation for towers |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1716294A1 (en) |
BR (1) | BRPI0506463A (en) |
PT (1) | PT103061A (en) |
WO (1) | WO2005068730A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2319709A1 (en) * | 2006-11-29 | 2009-05-11 | Prefabricaciones Y Contratas, S.A. | Support structure for wind turbine devices (Machine-translation by Google Translate, not legally binding) |
CN102828917A (en) * | 2011-06-13 | 2012-12-19 | 华锐风电科技(集团)股份有限公司 | Tower drum of wind turbine generator system |
CN106522601A (en) * | 2016-09-13 | 2017-03-22 | 范广志 | Integral environment-friendly fast-assembly base station |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3812270C1 (en) * | 1988-04-13 | 1989-05-11 | Suedwestfunk, Anstalt Des Oeffentlichen Rechts, 7570 Baden-Baden, De | Antenna array |
FR2719411A1 (en) * | 1994-04-28 | 1995-11-03 | Vergnaud Serge | Support and ballasting assembly for advertising panel etc. |
US5531419A (en) * | 1992-02-28 | 1996-07-02 | Cue Dee Produktor Ab | Mast base, especially for a temporarily erected mast |
US20030021636A1 (en) * | 2000-02-24 | 2003-01-30 | Meir Silber | Foundation for a tower and a method for its deployment on site |
EP1367195A1 (en) * | 2002-05-23 | 2003-12-03 | Jeepson Techno Services LLC | A floor plate |
-
2004
- 2004-01-19 PT PT10306104A patent/PT103061A/en not_active IP Right Cessation
-
2005
- 2005-01-19 EP EP05704670A patent/EP1716294A1/en not_active Withdrawn
- 2005-01-19 WO PCT/PT2005/000002 patent/WO2005068730A1/en active Application Filing
- 2005-01-19 BR BRPI0506463-5A patent/BRPI0506463A/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3812270C1 (en) * | 1988-04-13 | 1989-05-11 | Suedwestfunk, Anstalt Des Oeffentlichen Rechts, 7570 Baden-Baden, De | Antenna array |
US5531419A (en) * | 1992-02-28 | 1996-07-02 | Cue Dee Produktor Ab | Mast base, especially for a temporarily erected mast |
FR2719411A1 (en) * | 1994-04-28 | 1995-11-03 | Vergnaud Serge | Support and ballasting assembly for advertising panel etc. |
US20030021636A1 (en) * | 2000-02-24 | 2003-01-30 | Meir Silber | Foundation for a tower and a method for its deployment on site |
EP1367195A1 (en) * | 2002-05-23 | 2003-12-03 | Jeepson Techno Services LLC | A floor plate |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2319709A1 (en) * | 2006-11-29 | 2009-05-11 | Prefabricaciones Y Contratas, S.A. | Support structure for wind turbine devices (Machine-translation by Google Translate, not legally binding) |
CN102828917A (en) * | 2011-06-13 | 2012-12-19 | 华锐风电科技(集团)股份有限公司 | Tower drum of wind turbine generator system |
CN106522601A (en) * | 2016-09-13 | 2017-03-22 | 范广志 | Integral environment-friendly fast-assembly base station |
Also Published As
Publication number | Publication date |
---|---|
BRPI0506463A (en) | 2007-02-21 |
PT103061A (en) | 2005-07-29 |
EP1716294A1 (en) | 2006-11-02 |
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