CN102660968A - Vertical bearing capacity estimation method of single pile - Google Patents
Vertical bearing capacity estimation method of single pile Download PDFInfo
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- CN102660968A CN102660968A CN2012101801116A CN201210180111A CN102660968A CN 102660968 A CN102660968 A CN 102660968A CN 2012101801116 A CN2012101801116 A CN 2012101801116A CN 201210180111 A CN201210180111 A CN 201210180111A CN 102660968 A CN102660968 A CN 102660968A
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Abstract
The invention discloses a vertical bearing capacity estimation method of a single pile. The method comprises the following steps: (1) setting an Excel template file, wherein the workbook of the template file comprises worksheets such as pile foundation parameter, ground layer data DCSJ and vertical bearing capacity estimation, corresponding list heads, an information input region, a data processing region and corresponding function, formula and macro command; (2) loading related data in the worksheets, inputting original data at least comprising soil layer titles and corresponding pile foundation design and calculation parameters in the corresponding columns of the pile foundation parameter worksheet, and introducing the hole stratum data to the corresponding columns in the corresponding columns of the ground layer data DCSJ worksheet; and (3) estimating the vertical bearing capacity of the single pile, selecting or inputting calculation parameters in the corresponding table cells of the vertical bearing capacity estimation worksheet, and displaying the corresponding vertical bearing capacity calculation result of the single pile in the data processing region. The vertical bearing capacity estimation method of the single pile disclosed by the invention has the advantages of high flexibility, strong adaptability, high working efficiency and good economic benefit and practicability.
Description
Technical field
The invention belongs to geotechnical investigation, design field, relate in particular to a kind of vertical bearing capacity of single pile evaluation method.
Background technology
Though the geotechnical investigation software of specialty has obtained general application in geotechnical investigation work; In the geotechnical investigation design work process; When carrying out the vertical bearing capacity of single pile estimation by modular formula; Special-purpose prospective design software has does not have this item-function, and the software operation that has is inconvenient, data and computational process are opaque, and the complex operation that has, flexibility ratio is not enough, compliance is strong, the buyer does not have weight update to program.Add that in the geotechnical investigation design work problem that runs into is complicated and changeable, also there is indeterminable problem more or less in business software commonly used, has brought many inconvenience to the user.The hand computation of generally adopting exists efficient low and be prone to make mistakes again, can not satisfy the problems such as requirement that fast pace is nowadays produced.
Solve above-mentioned deficiency; The technician is through programming is best certainly targetedly; But in fact; Engineers and technicians' majority in this area is ignorant of programming, and professional programming personnel does not know much have less understanding to the geotechnical engineering technological know-how, often can not accurately understand imagination and the demand of technician aspect programming.Here it is, and present professional software can not adapt to the reason that prospective design requirement of engineering, engineers and technicians can not break away from all the time from calculate than fussy hand.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art provides the vertical bearing capacity of single pile evaluation method that a kind of flexibility ratio is high, compliance is strong, computational efficiency is high, and its concrete technical scheme is following:
Said vertical bearing capacity of single pile evaluation method comprises the steps:
1) the Excel template file is set
At least comprise " pile foundations parameter " worksheet, " formation data DCSJ " worksheet, " vertical bearing capacity estimation " worksheet, " embedding rock section coefficient of colligation " worksheet, " dimensional effect coefficient " worksheet and " grouting behind shaft or drift lining reinforcing coefficient " worksheet in the book of this template file; In above-mentioned each worksheet, corresponding gauge outfit, information input area and data processing area are set, and corresponding Excel function, Excel formula and macros are set;
2) being written into of related data in the worksheet
In the respective column of " pile foundations parameter " worksheet, input comprises the initial data of each soil layer title and the Pile Foundations Design calculating parameter that each is corresponding at least, in the respective column of " formation data (DCSJ) " worksheet, imports each hole formation data to corresponding row;
3) carry out the vertical bearing capacity of single pile estimation
In the corresponding unit lattice of " vertical bearing capacity estimation " worksheet, behind selection or the input calculating parameter, show corresponding vertical bearing capacity of single pile result of calculation at said data processing area.
Said vertical bearing capacity of single pile evaluation method further design is; The initial data of said Pile Foundations Design calculating parameter comprises level number, great soil group type, resistance to plucking coefficient, liquefaction reduction coefficient, grouting behind shaft or drift lining reinforcing coefficient and multiple stake type design parameters; After these original calculation parameters are once imported, can supply each worksheet repeatedly to search and quote.
Said vertical bearing capacity of single pile evaluation method further design is; Each hole formation data of said importing is to utilize " data " → " importing external data " → " importing text " → " separator " choosing ", " step in the Excel template file to carry out to the row of correspondence.
The further design of said vertical bearing capacity of single pile evaluation method is that said " importing text " is meant that the data in each hole formation data " DCSJ. project code " text that imports the generation of Huaning prospecting software arrive corresponding row.
Said vertical bearing capacity of single pile evaluation method further design is; In said " vertical bearing capacity estimation " worksheet; The single pile hole that input will be calculated in the information input area of correspondence number; And extract formation data DCSJ automatically through the macros shortcut, in the corresponding cells lattice of " formation data DCSJ " worksheet, generate the formation data that calculates single pile hole needed " level number ", " the layer end degree of depth " automatically.
Said vertical bearing capacity of single pile evaluation method further design is; Parameter in said selection or input comprises that stake type, stake footpath or the length of side, stake top buried depth, the stake end that will calculate get into bearing stratum depth, bearing stratum code name, also comprise and search and quote calculating parameter in other worksheet automatically.
Said vertical bearing capacity of single pile evaluation method further design is, in said " embedding rock section coefficient of colligation " worksheet, adopts the disposable in advance tabulation that deposits embedding rock section coefficient of colligation in of interpolation method, and this tabulation also supplies other worksheet repeatedly to search and quote.
Said vertical bearing capacity of single pile evaluation method further design is that after said calculating parameter had one or several to change, Excel can calculate automatically again, and its result upgrades synchronously.
The invention solves in geotechnical investigation, the design work, by modular formula carry out vertical bearing capacity of single pile when estimation complex operation, flexibility ratio is not enough, compliance is not strong; Hand computation efficient is low and be prone to make mistakes, and can not satisfy the problems such as requirement that fast pace is nowadays produced.The present invention utilizes the powerful data search of Excel, calculating, processing capacity; Function, formula, the simple macro order that only need carry out Excel are provided with; Input formation data and pile foundation calculating parameter; Just can carry out vertical bearing capacity of single pile estimation, can increase work efficiency greatly by the general formula of pile foundation standard, large diameter pile formula, socketed pile formula, uplift pile formula, grouting behind shaft or drift lining formula etc.Method is simple, easy operating, flexible and changeable, compliance is strong.Through the technician is just simply trained and can be applicable, reusable after the formation template, to use through actual, computational process is transparent, the result shows synchronously, data are accurate, can effectively solve the practical problem in the engineering, can use at work.
Description of drawings
Fig. 1 a is worksheet " pile foundations parameter " sketch map a (right map interlinking 1b).
Fig. 1 b is worksheet " pile foundations parameter " sketch map b (left map interlinking 1a).
Fig. 2 is worksheet " formation data (DCSJ) " sketch map.
Fig. 3 is worksheet " vertical bearing capacity estimation " sketch map.
Fig. 4 is worksheet " embedding rock section coefficient of colligation " sketch map.
Fig. 5 is worksheet " dimensional effect coefficient " sketch map.
Fig. 6 is worksheet " grouting behind shaft or drift lining reinforcing coefficient " sketch map.
Fig. 7 is grand design diagram.
Fig. 8 is grand shortcut setting operation interface sketch map.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
The Excel template file is set
Present embodiment is to be that example describes with formula 5.3.5,5.3.6,5.3.9-1,5.3.9-2,5.3.9-3,5.3.10 among " technical code for building pile foundation " JGJ94-2008.Operation in Excel 2007 editions (or Excel 2003 editions) simultaneously, and " safety " grade setting of excel macro will be able to let grand can the operation.
Newly-built book and worksheet
In newly-built book; Set up worksheets such as " pile foundations parameter ", " formation data (DCSJ) ", " vertical bearing capacity estimation ", " embedding rock section coefficient of colligation ", " dimensional effect coefficient ", " grouting behind shaft or drift lining reinforcing coefficient " respectively; The design related content, the rational deployment layout.Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6.
According to the custom name and flexible each Sheet Tabs color of setting of oneself.Can on the Format For menu, point to " worksheet ", click " Sheet Tabs color " again.Also can on Sheet Tabs, click right button, click " Sheet Tabs color " again, click required color, again click OK.
Each worksheet cell input content
1) each cell input content is seen table 1 in the worksheet " pile foundations parameter ".
Each cell input content table of comparisons table 1
2) each cell input content is seen table 2 in the worksheet " formation data (DCSJ) ".
Each cell input content table of comparisons table 2
3) each cell input content is seen table 3 in the worksheet " vertical bearing capacity estimation ".
Each cell input content table of comparisons table 3
4) each cell input content is seen table 4 in the worksheet " embedding rock section coefficient of colligation ".
Each cell input content table of comparisons table 4
| Ranks | A |
| C | |
| 1 | Embedding rock aspect ratio | Dead-soft rock, soft rock (=15MPa) | Than hard rock, hard rock (>=30MPa) | |
| 2 | 0 | 0.6 | 0.45 | |
| 3 | 0.1 | 0.64 | 0.49 | |
| 4 | 0.2 | 0.68 | 0.53 | |
| 5 | 0.3 | 0.72 | 0.57 | |
| 6 | 0.4 | 0.76 | 0.61 | |
| 7 | 0.5 | 0.8 | 0.65 | |
| 8 | 0.6 | 0.83 | 0.68 | |
| 9 | 0.7 | 0.86 | 0.71 | |
| 10 | 0.8 | 0.89 | 0.75 | |
| 11 | 0.9 | 0.92 | 0.78 | |
| 12 | 1 | 0.95 | 0.81 | |
| 13 | 1.1 | 0.97 | 0.82 | |
| 14 | 1.2 | 1 | 0.83 | |
| 15 | 1.3 | 1.02 | 0.84 | |
| 16 | 1.4 | 1.04 | 0.85 | |
| 17 | 1.5 | 1.07 | 0.86 | |
| 18 | 1.6 | 1.09 | 0.87 | |
| 19 | 1.7 | 1.11 | 0.87 | |
| 20 | 1.8 | 1.13 | 0.88 | |
| 21 | 1.9 | 1.06 | 0.89 | |
| 22 | 2 | 1.18 | 0.9 | |
| 23 | 2.1 | 1.2 | 0.91 | |
| 24 | 2.2 | 1.21 | 0.92 | |
| 25 | 2.3 | 1.23 | 0.93 | |
| 26 | 2.4 | 1.25 | 0.94 | |
| 27 | 2.5 | 1.27 | 0.95 | |
| 28 | 2.6 | 1.28 | 0.96 | |
| 29 | 2.7 | 1.3 | 0.97 | |
| 30 | 2.8 | 1.32 | 0.98 | |
| 31 | 2.9 | 1.33 | 0.99 | |
| 32 | 3 | 1.35 | 1 | |
| 33 | 3.1 | 1.36 | 1 | |
| 34 | 3.2 | 1.38 | 1.01 | |
| 35 | 3.3 | 1.39 | 1.01 | |
| 36 | 3.4 | 1.4 | 1.02 | |
| 37 | 3.5 | 1.42 | 1.02 | |
| 38 | 3.6 | 1.43 | 1.02 | |
| 39 | 3.7 | 1.44 | 1.03 | |
| 40 | 3.8 | 1.45 | 1.03 | |
| 41 | 3.9 | 1.47 | 1.04 | |
| 42 | 4 | 1.48 | 1.04 | |
| 43 | 4.1 | 1.49 | * | |
| 44 | 4.2 | 1.5 | * | |
| 45 | 4.3 | 1.51 | * | |
| 46 | 4.4 | 1.52 | * | |
| 47 | 4.5 | 1.53 | * | |
| 48 | 4.6 | 1.53 | * | |
| 49 | 4.7 | 1.54 | * | |
| 50 | 4.8 | 1.55 | * | |
| 51 | 4.9 | 1.56 | * | |
| 52 | 5 | 1.57 | * | |
| 53 | 5.1 | 1.58 | * | |
| 54 | 5.2 | 1.58 | * | |
| 55 | 5.3 | 1.59 | * | |
| 56 | 5.4 | 1.59 | * | |
| 57 | 5.5 | 1.6 | * | |
| 58 | 5.6 | 1.61 | * | |
| 59 | 5.7 | 1.61 | * | |
| 60 | 5.8 | 1.62 | * | |
| 61 | 5.9 | 1.62 | * | |
| 62 | 6 | 1.63 | * | |
| 63 | 6.1 | 1.63 | * | |
| 64 | 6.2 | 1.64 | * | |
| 65 | 6.3 | 1.64 | * | |
| 66 | 6.4 | 1.64 | * | |
| 67 | 6.5 | 1.65 | * | |
| 68 | 6.6 | 1.65 | * | |
| 69 | 6.7 | 1.65 | * | |
| 70 | 6.8 | 1.65 | * | |
| 71 | 6.9 | 1.66 | * | |
| 72 | 7 | 1.66 | * | |
| 73 | 7.1 | 1.66 | * | |
| 74 | 7.2 | 1.67 | * | |
| 75 | 7.3 | 1.67 | * | |
| 76 | 7.4 | 1.68 | * | |
| 77 | 7.5 | 1.68 | * | |
| 78 | 7.6 | 1.68 | * | |
| 79 | 7.7 | 1.69 | * | |
| 80 | 7.8 | 1.69 | * | |
| 81 | 7.9 | 1.7 | * | |
| 82 | 8 | 1.7 | * |
5) each cell input content is seen Fig. 5 in the worksheet " dimensional effect coefficient ", only plays suggesting effect.
6) each cell input content is seen Fig. 6 in the worksheet " grouting behind shaft or drift lining reinforcing coefficient ", only plays suggesting effect.
General grand design
1) grand " extraction formation data " design content is seen Fig. 7.
2) shortcut in general grand when design can be provided with flexibly, and this shortcut " Ctrl+a " just for example, can be provided with according to personal habits flexibly, also can carry out necessary explanation, grand shortcut setting operation interface such as Fig. 8.
Some points for attention
1) after the Excel stencil design is accomplished, must carry out inspection affirmation work.
2) to there being the formula cell to protect, to prevent destroying existing formula unintentionally.
3) can zones of different in the worksheet be arranged to various colors according to the custom of oneself.
4) after worksheet was provided with completion, suggestion was protected each worksheet respectively, to prevent content in the destruction table.
5) the computation sheet design is accomplished, and in respective cells, behind the input formula, carries out tentative calculation earlier, after the hand computation check confirms that result of calculation is correct, in time preserves file again.
6) after the formation template, can be repeatedly used.
7) as required, can from Excel, " vertical bearing capacity of single pile estimating table " directly be printed, paste in Word document or other document after also reproducible and carry out editing and composing.
. data are written into
1) in worksheet " pile foundations parameter " respective column, fills in initial data such as each soil layer title and each self-corresponding Pile Foundations Design parameters calculated;
2) in worksheet " formation data (DCSJ) " respective column; Utilize Excel software " data " → " importing external data " → " importing text " → " separator " choosing "; " Method; Import data in each hole formation data " DCSJ. project code " text that Huaning prospecting software generates to corresponding row, avoided the input that repeats of formation data;
3) operation as follows in worksheet " vertical bearing capacity estimation ":
3. carry out the vertical bearing capacity of single pile estimation
1. the hole that first input will be calculated among the cell C3 number;
2. by macros shortcut " Ctrl+a ", formation datas such as will calculating hole corresponding " level number ", " the layer end degree of depth " is extracted and generates in excel macro order meeting automatically, and inserts automatically in the corresponding cells lattice;
3. choose the stake type that will calculate among the cell F3, in " precast square pile ", " pile for prestressed pipe ", " bored pile ", " tube-sinking cast-in-situ pile " or " hand excavated pile ", select wherein a kind of;
Whether be socketed pile, in " socketed pile " or " non-socketed pile ", select wherein a kind of if 4. choosing what will calculate among the cell I3;
5. import the stake footpath or the length of side among the cell C4, perimeter of section calculates automatically with a section area meeting and in the corresponding unit lattice, shows the result;
6. import stake top buried depth among the cell C5, the calculating of bearing capacity of single pile from then on buried depth place is calculated downwards;
7. input stake end gets into a bearing stratum depth among the cell I5, and it is long to calculate stake automatically, and the result is presented among the cell G45;
8. input bearing stratum code name among the cell A5 shows the bearing stratum title automatically among the cell F5, and socketed pile is imported compressive strength of rock among the cell C43 in this way, and results such as embedding rock section aspect ratio, embedding rock section coefficient of colligation, embedding rock section bearing capacity can calculate automatically;
9. show corresponding result of calculation in other each cell automatically; Automatically show resistance to compression limit gauge value among the cell E45, show resistance to plucking limit gauge value among the cell J45 automatically, check design conditions once more after; Print the calculating achievement table, supply the basic engineering personnel to use;
10. repeat above step 1. ~ 9.; Change some or Several Parameters; Just can obtain different holes, different stake type, different stake footpaths, different bearing stratums, the different degree of depth that the stake end gets into bearing stratum, different countless versions combination condition result of calculations down such as stake top buried depth, confession basic engineering personnel use when carrying out multiple pile foundation scheme comparison.
4 some explanation
1) program is considered large diameter pile dimensional effect coefficient automatically.
2) the liquefaction reduction coefficient is imported back (as not considering, please all importing 1) in the stake parameter list, and program is automatically by considering that the liquefaction reduction coefficient calculates.
3) the grouting behind shaft or drift lining reinforcing coefficient is imported back (as not considering, please all importing 1) in the stake parameter list, and program is automatically by considering that the liquefaction reduction coefficient calculates.
Claims (8)
1. a vertical bearing capacity of single pile evaluation method is characterized in that comprising the steps:
1) the Excel template file is set
At least comprise " pile foundations parameter " worksheet, " formation data DCSJ " worksheet, " vertical bearing capacity estimation " worksheet, " embedding rock section coefficient of colligation " worksheet, " dimensional effect coefficient " worksheet and " grouting behind shaft or drift lining reinforcing coefficient " worksheet in the book of this template file; In above-mentioned each worksheet, corresponding gauge outfit, information input area and data processing area are set, and corresponding Excel function, Excel formula and macros are set;
2) being written into of related data in the worksheet
In the respective column of " pile foundations parameter " worksheet, input comprises the initial data of each soil layer title and the Pile Foundations Design calculating parameter that each is corresponding at least, in the respective column of " formation data (DCSJ) " worksheet, imports each hole formation data to corresponding row;
3) carry out the vertical bearing capacity of single pile estimation
In the corresponding unit lattice of " vertical bearing capacity estimation " worksheet, behind selection or the input calculating parameter, show corresponding vertical bearing capacity of single pile result of calculation at said data processing area.
2. a kind of vertical bearing capacity of single pile evaluation method according to claim 1; The initial data that it is characterized in that said Pile Foundations Design calculating parameter comprises level number, great soil group type, resistance to plucking coefficient, liquefaction reduction coefficient, grouting behind shaft or drift lining reinforcing coefficient and multiple stake type design parameters; After these original calculation parameters are once imported, can supply each worksheet repeatedly to search and quote.
3. a kind of vertical bearing capacity of single pile evaluation method according to claim 1; It is characterized in that each hole formation data of said importing is to utilize " data " → " importing external data " → " importing text " → " separator " choosing ", " step in the Excel template file to carry out to the row of correspondence.
4. a kind of vertical bearing capacity of single pile evaluation method according to claim 1 is characterized in that said " importing text " is meant that the data in each hole formation data " DCSJ. project code " text that imports the generation of Huaning prospecting software arrive corresponding row.
5. a kind of vertical bearing capacity of single pile evaluation method according to claim 1; It is characterized in that in said " vertical bearing capacity estimation " worksheet; The single pile hole that input will be calculated in the information input area of correspondence number; And extract formation data DCSJ automatically through the macros shortcut, in the corresponding cells lattice of " formation data DCSJ " worksheet, generate the formation data that calculates single pile hole needed " level number ", " the layer end degree of depth " automatically.
6. a kind of vertical bearing capacity of single pile evaluation method according to claim 5; It is characterized in that comprising that in the parameter of said selection or input stake type, stake footpath or the length of side, stake top buried depth, the stake end that will calculate get into bearing stratum depth, bearing stratum code name, also comprise and search and quote calculating parameter in other worksheet automatically.
7. a kind of vertical bearing capacity of single pile evaluation method according to claim 1; It is characterized in that in said " embedding rock section coefficient of colligation " worksheet; Adopt the disposable in advance tabulation that deposits embedding rock section coefficient of colligation in of interpolation method, this tabulation also supplies other worksheet repeatedly to search and quote.
8. a kind of vertical bearing capacity of single pile evaluation method according to claim 1, it is characterized in that said calculating parameter has one or several to change after, Excel can calculate automatically again, its result upgrades synchronously.
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| CN106930335A (en) * | 2017-03-18 | 2017-07-07 | 辽宁工程技术大学 | A kind of foundation bearing capacity determines checking method |
| CN106930335B (en) * | 2017-03-18 | 2019-10-01 | 辽宁工程技术大学 | A kind of foundation bearing capacity determines checking method |
| CN107330232A (en) * | 2017-08-11 | 2017-11-07 | 上海岩土工程勘察设计研究院有限公司 | Ultimate bearing capacity evaluation method for pile-end post-grouting ultra-long pile |
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| CN110565704A (en) * | 2019-08-12 | 2019-12-13 | 中国能源建设集团江苏省电力设计院有限公司 | method for calculating horizontal loading force of single pile in static load test of fan |
| CN112417549A (en) * | 2020-11-05 | 2021-02-26 | 天津华勘基础工程检测有限公司 | Method for estimating bearing capacity of single pile of post-grouting cast-in-place pile in soft soil area |
| CN112417549B (en) * | 2020-11-05 | 2022-04-12 | 天津华勘基础工程检测有限公司 | Method for estimating bearing capacity of single pile of post-grouting cast-in-place pile in soft soil area |
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