WO2019166153A1 - Verfahren und system zum erstellen eines gründungselementes im boden - Google Patents
Verfahren und system zum erstellen eines gründungselementes im boden Download PDFInfo
- Publication number
- WO2019166153A1 WO2019166153A1 PCT/EP2019/051171 EP2019051171W WO2019166153A1 WO 2019166153 A1 WO2019166153 A1 WO 2019166153A1 EP 2019051171 W EP2019051171 W EP 2019051171W WO 2019166153 A1 WO2019166153 A1 WO 2019166153A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- soil
- control
- evaluation unit
- ground
- profile
- 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.)
- Ceased
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/13—Foundation slots or slits; Implements for making these slots or slits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/22—Placing by screwing down
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
Definitions
- the invention relates to a method for creating a foundation element in the ground by means of a construction device, wherein by means of a machining tool, a hole in the bottom is formed, in which the foundation element is created, wherein at least by means of a control and evaluation depending on a processing depth an operating variable of the construction equipment is detected, which changes depending on a soil condition, according to the preamble of claim 1.
- the invention further relates to a system for creating a foundation element in the ground with a construction device, wherein a hole in the ground is formed by means of a tillage tool, in which the foundation element is created, wherein by means of a control and evaluation depending on a processing depth at least one operating size of the Building equipment is detected, which changes depending on a soil condition, according to the preamble of claim 12th
- a soil profile is usually created for the ground.
- the soil profile indicates which structure, in particular layer structure, the ground has. Knowing the soil profile of the foundation is important in many ways. On the one hand, the load-bearing capacity of the ground depends on the soil profile, which has a significant influence on the design of the foundation elements. On the other hand, the soil profile is also essential from an economic point of view, since it is determined by the structure of the soil, how complex the Creation of a foundation element is.
- test bores are carried out on a subsoil, depending on the size, in order to determine, for example on the basis of cores, with which soil profile the subsoil is constructed.
- a soil profile may vary widely even in a localized area. Usually, these fluctuations consist in changes in the thickness of the individual soil layers occurring, and possibly also a rock horizon.
- EP 1 942 247 B1 discloses a method for positive displacement drilling in which the torque and the penetration depth of the drill string per revolution during operation are measured in order to make a statement about the load bearing capacity of the floor. It is taught to carry out the carrying capacity in advance by means of test bores in soil layers with known properties, so that a load capacity index can be assigned to the measured operating parameters by means of an assignment specification. In practice, an exact assignment of a measured operating parameter to a certain carrying capacity can be problematic and prone to error.
- the invention is based on the invention to provide a method and a system for creating a foundation element in the soil, with which a layer structure of the soil can be determined particularly accurately for a foundation element.
- the inventive method is characterized in that in the control and evaluation an expected soil profile is entered, which is a Indicates the layer structure of the soil with soil layers of different soil properties, and that the detected, at least one operating variable is correlated with the entered soil profile by the control and evaluation unit in order to determine the processing depth at which a transition between soil layers is different Soil condition is present.
- a basic idea of the invention is to take into account, when determining the type of soil during the processing of a soil, a soil profile created for the soil.
- a previously created soil profile indicates the sequence of different soil layers made of different materials and with different strengths and load capacities.
- the invention is based on the finding that a soil profile on a ground can be subject to locally strong fluctuations, but these fluctuations essentially relate to a thickness or a depth level of the soil layers, while the number and sequence of soil layers remains unchanged.
- an operating variable or an operating parameter is detected, which may be, for example, the torque or a power of the hydraulic drive. This operating variable is correlated with the first soil layer of the soil profile.
- first processing depth If, at a certain first processing depth, a significant change in the size of the enterprise is then detected, this is due to knowledge of the invention due to a change in the soil layer.
- This change at a first processing depth can then be determined as a first layer transition.
- the second, third and subsequent layer transitions can then be determined correspondingly at a given processing depth.
- the actual soil profile at the place of production can thus be ascertained, wherein the individual layer transitions at given depths may differ from the previously determined soil profile.
- the previously determined soil profile is determined by one or more test bores at specific locations, with an average soil profile being determined therefrom.
- an expected value of the at least one operating variable is determined by the control and evaluation unit for each soil layer of the input soil profile. If, for example, the soil profile initially has a clay layer and then a gravel layer, the control and evaluation unit can query a value, for example, from a database with regard to the operating variable to be measured, which is to be expected in the case of this soil layer. Thus, it can also be verified by the control and evaluation unit that an actually processed soil layer coincides with the expected soil layer in accordance with the predetermined soil profile. Thus, it is also possible to determine special cases in which one or more soil layers are dispensed with in relation to the entered desired soil profile at a processing location.
- a current soil profile is generated by the control and evaluation unit for the processing location.
- This current or actual soil profile can then be stored and also compared with the predetermined desired soil profile, which has been determined beforehand by test bores.
- the device operator has the option of specifying the current soil profile created in this way for the next pending processing as the desired soil profile.
- a single operating variable or a single operating parameter can be used to determine the currently processed soil layer.
- a propulsion speed for a given propulsion force can be detected as the operating variable.
- a soil characteristic value can be determined, which can be assigned on the basis of stored values in a database of a specific soil type or soil layer.
- the at least one operating variable is detected by means of at least one detection device on the construction equipment.
- the detection device may in particular be a sensor which detects an operating variable, such as the rotational speed, directly.
- the detection devices can also work indirectly, whereby a torque is calculated and determined, for example, via the power consumption of a hydraulic rotary drive.
- the detection devices are connected via a wired or wireless connection with the control and evaluation unit.
- the control and evaluation unit can be located directly on the construction equipment or in a control center, which is then in data communication via a corresponding connection to the construction equipment.
- any suitable operating variable or operating parameters can be selected and used for the method according to the invention.
- the at least one operating variable is selected from the following variables: torque, speed, power, feed force, feed rate, acceleration, energy input, oscillations, sound, hydraulic pressure and / or hydraulic flow .
- a combination of a plurality of operating variables can also be selected, so that a statement about the currently processed soil layer can be made by the control and evaluation unit with particularly great certainty.
- the control and evaluation unit has a database in which operating variables and / or soil characteristics are stored for certain soil layers.
- the database can already be specified when a construction equipment is delivered, or it can be installed by a central office during operation or provided with new or supplemented values and maintained.
- the device driver or the control and evaluation unit it is possible for the device driver or the control and evaluation unit to Even preferred data sets, that is to say preferred input variables, are stored for specific soil characteristics which have been created and determined for the respective processing location or for the respective device.
- the database can thus represent an expert system, wherein an automatic improvement and change of the stored data records can also be provided on the basis of a preferred self-learning logic of the control and evaluation unit.
- a further preferred embodiment of the invention consists in the fact that the control and evaluation unit determines and compares ground characteristic values which are stored for specific operating variables when ascertaining operating variables, a current ground value being determined.
- the control and evaluation unit recognizes, by comparing the input quantity, for example the torque, with a resulting output variable, ie an adjusting rotational speed of the drilling tool or the cutting wheel, that a soil layer with a changed strength and thus with another soil cultivation value is discussed. If necessary, the control and evaluation unit can change the input variables in accordance with the currently determined soil parameter or the currently determined soil layer.
- the rotational speed and the feed force can be reduced in order to avoid excessive tool wear and to provide the best possible cutting or removal conditions for the soil layer.
- the control and evaluation unit can change the input or operating variable according to the detected data record or, for example, display the device driver on a monitor.
- the previous operating variable can be created by a suitable operating parameter for the soil characteristic value. In this case, an applied torque would thus be changed as a function of the determined soil characteristic value which is assigned to a specific soil layer after evaluation of the database.
- a soil profile is determined by the soil cultivation parameters via the processing depth or pre-production line. and evaluation unit is determined and stored.
- a soil characteristic such as loam, sand, gravel, rock, etc.
- these values and thus also a soil profile can be queried via the control and evaluation unit from a control center.
- a construction equipment can not only be used for working the soil, but it can also be used as a probing or analysis tool for exploring a soil profile.
- preferred operating variables are determined by the control and evaluation unit for the current soil profile over the processing depth and stored as a data record in the database.
- a pattern data set for a hole at a construction site with the previously determined soil profile can be created, for example, up to a first depth a first torque and a first feed force, then at a second depth, from which a second layer of soil is given, a second Torque are stored with a second feed force and so on.
- Such a record for a floor with a special soil profile can then be retrieved for further processing at the same site. It can be assumed that at a construction site, a soil profile rarely changes abruptly. On the basis of the data of the first processing, it is thus possible to effectively prepare further processing, in particular, bores or slots, even by less experienced device operators.
- the method according to the invention can be used in the various soil working variants.
- a particularly preferred variant of the method is that drilling is carried out with a drilling tool or milling with a trench wall cutter as soil cultivation.
- the drilling can be a continuous drilling, for example with an endless screw or a discontinuous drilling, such as with a drilling bucket or with a simple auger.
- the method according to the invention can also be used in double-head drilling, in which at least two rotary drive units are provided. It can be a first rotary drive unit may be provided for an internal drilling tool, while a further rotary drive unit for an external drill pipe is arranged. Drilling in the ground also includes rock drilling, which can be done in an approximate vertical wall or even at the ceiling area in a tunnel, such as with anchor or HDI drilling.
- a trench wall cutter When milling a trench wall cutter is preferably used with at least one pair, preferably two pairs of rotationally driven cutting wheels.
- the milling of a milling slot can be carried out in a single-phase, two-phase or a CSM R process, in which a soil mortar mixture is produced in situ in the milling slot by the milling cutter. It can be provided one or more Fräsradantriebe.
- the invention further comprises a system or installation for creating a foundation element in the ground, which is characterized in that an expected soil profile can be entered in the control and evaluation unit, which indicates by a layer structure of the soil with soil layers of different soil properties, and that the detected, at least one operating variable can be correlated with the entered soil profile by the control and evaluation unit in order to determine at which processing depth a transition exists between soil layers of different soil properties.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Soil Sciences (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Geology (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
- Geochemistry & Mineralogy (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201980016606.5A CN112088233B (zh) | 2018-03-01 | 2019-01-17 | 用于建造地基元件的方法和系统 |
| JP2020545728A JP7317844B2 (ja) | 2018-03-01 | 2019-01-17 | 土壌内に基礎要素を製作するための方法およびシステム |
| US16/976,033 US12104342B2 (en) | 2018-03-01 | 2019-01-17 | Method and system for producing a foundation element in the ground |
| KR1020207027467A KR20200124717A (ko) | 2018-03-01 | 2019-01-17 | 그라운드에서 기초 요소를 생산하기 위한 방법 및 시스템 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18159364.1A EP3533932B1 (de) | 2018-03-01 | 2018-03-01 | Verfahren und system zum erstellen eines gründungselementes im boden |
| EP18159364.1 | 2018-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2019166153A1 true WO2019166153A1 (de) | 2019-09-06 |
Family
ID=61526702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2019/051171 Ceased WO2019166153A1 (de) | 2018-03-01 | 2019-01-17 | Verfahren und system zum erstellen eines gründungselementes im boden |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12104342B2 (de) |
| EP (1) | EP3533932B1 (de) |
| JP (1) | JP7317844B2 (de) |
| KR (1) | KR20200124717A (de) |
| CN (1) | CN112088233B (de) |
| WO (1) | WO2019166153A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3792403A1 (de) * | 2019-09-11 | 2021-03-17 | Stump-Franki Spezialtiefbau GmbH | Verfahren zum herstellen eines vollverdrängungsbohrpfahles, schraubassistenzsystem zum führen eines schraubvorgangs in einem derartigen verfahren sowie software für ein derartiges schraubassistenzsystem |
| EP3901374B1 (de) * | 2020-04-24 | 2025-06-25 | BAUER Spezialtiefbau GmbH | Verfahren und anordnung zum überwachen einer bauwerksgründung |
| EP4063567B1 (de) * | 2021-03-25 | 2023-10-18 | BAUER Spezialtiefbau GmbH | Bauverfahren und anordnung zum durchführen eines bauprojekts |
| DE202022000547U1 (de) * | 2022-03-03 | 2023-06-12 | H & E Bohrtechnik Gmbh | Bohranlage |
| EP4343066A1 (de) * | 2022-09-23 | 2024-03-27 | BAUER Maschinen GmbH | Tiefbaumaschine und verfahren zum herstellen einer gründung im boden |
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-
2018
- 2018-03-01 EP EP18159364.1A patent/EP3533932B1/de active Active
-
2019
- 2019-01-17 KR KR1020207027467A patent/KR20200124717A/ko not_active Ceased
- 2019-01-17 WO PCT/EP2019/051171 patent/WO2019166153A1/de not_active Ceased
- 2019-01-17 US US16/976,033 patent/US12104342B2/en active Active
- 2019-01-17 CN CN201980016606.5A patent/CN112088233B/zh active Active
- 2019-01-17 JP JP2020545728A patent/JP7317844B2/ja active Active
Patent Citations (5)
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Also Published As
| Publication number | Publication date |
|---|---|
| JP7317844B2 (ja) | 2023-07-31 |
| US20200400016A1 (en) | 2020-12-24 |
| JP2021515856A (ja) | 2021-06-24 |
| EP3533932A1 (de) | 2019-09-04 |
| KR20200124717A (ko) | 2020-11-03 |
| CN112088233B (zh) | 2022-05-10 |
| US12104342B2 (en) | 2024-10-01 |
| CN112088233A (zh) | 2020-12-15 |
| EP3533932B1 (de) | 2020-07-15 |
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